How To Replace Spider Gears In Ford 7.5 & 8.8 Open Differential

How To Replace Spider Gears In Ford 7.5 & 8.8 Open Differential - Ford Mustang

Рет қаралды 342,882

9 жыл бұрын

This is a step by step instructional video on how to replace the spider gears inside a Ford 7.5 & 8.8 open differential. While I’m working on a ’98 Ford Mustang, this video applies to many Ford models & years since these rear ends have been in use for decades.
I show many tips & tricks to make this job quick, easy & painless. The actual labor part of this job takes about two hours. If you use RTV for the differential cover gasket then you’ll have to wait 12 to 24 hours for it to properly cure before adding fluid. There are gaskets available at most auto parts stores that work very well too that don’t have a wait time.
How To Change Ford 7.5 & 8.8 Differential Fluid - Ford Mustang:
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• How To Replace Axle Se...
How To Replace Rear Brake Pads & Rotor - Ford Mustang (’94 - ’04):
• How To Replace Rear Br...
My "'98 Ford Mustang 3.8L Repair & Maintenance" Playlist:
• '98 Ford Mustang 3.8L ...
My "General Auto Repair & Maintenance" Playlist:
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The information in this video is for educational purposes only. Pet Rock assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Use the information in this video at your own risk. Pet Rock recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not Pet Rock.

Пікірлер: 513

@cosmedic 6 ай бұрын

Simple and to the point, not full of a 10 minute speech on the backstory of how the vehicle got to this point, where I bought the parts, why my dog is barking, what I had for breakfast, how I like my new tool….bla bla. Thx

@petrocksgarage 6 ай бұрын

Thanks a lot. I appreciate it.

@j.s.4636 6 ай бұрын

The best video I’ve seen on the spider gear swap. So easy, but not easy unless you’ve watched this video on how to rotate those spider gears in and keeping everything in place for center pin. Thank You!

@petrocksgarage 6 ай бұрын

Thanks a lot. I appreciate it. I'm glad my video helped you out.

@shelleywilliams7174 5 ай бұрын

I want to say thank you for doing this video. Straight and to the point . My only regret was not finding this video sooner. I was struggling with those spider gears sadly for two hours. Watched your video had it done in two minutes. Thank you once again for such an informative video.

@petrocksgarage 5 ай бұрын

Thats great! I'm glad my video helped you out. Thanks for watching & commenting. I appreciate it.

@robertallen710 9 ай бұрын

Thank you so much for this video. I used this video to reposition my spider gears to my 2003 Ford F150 V6 I wouldn’t have been able to do it without you. Keep up the great work.

@petrocksgarage 9 ай бұрын

Thats great! I'm glad my video helped you out. Thanks for watching & commenting. I appreciate it.

@katrinareynosa8522 4 жыл бұрын

This video is so amazingly informative... As a female I'm sure most would understand my worries and fear of replacing my spider gears, my father taught me basics growing up but not anything like this... I feel very confident going at this job after watching this video... THANK YOU IS NOT ENOUGH! I will post a updated comment once I complete this project... Thank you sooooo very much!!!!

@petrocksgarage 4 жыл бұрын

Thanks a lot. I appreciate it. Good luck!

@ChaseBond11 4 ай бұрын

Inquiring minds must know... Did you complete the job?!

@BigMoneyAl 9 ай бұрын

the hardest part was putting the spider gears back in place . watching this made my job very easy THANKS

@petrocksgarage 9 ай бұрын

Thanks a lot. I'm glad my video helped you out.

@1InfinityShade 7 жыл бұрын

Thanks for the video. A lot of people just say "put it back how it came out" and end their videos. You provide methods for everything and do it well 👍

@petrocksgarage 7 жыл бұрын

Thanks a lot. I appreciate it.

@jasoncooper3116 3 жыл бұрын

Thank you for this video! Most people show the removal of a trak lok, I needed to see how the spider gears in an open diff come apart and go back together. You're awesome bro!

@petrocksgarage 3 жыл бұрын

Thanks a lot. I appreciate it. I'm glad my video helped you out.

@johncrowley7727 3 жыл бұрын

Without any doubt one of the best videos ever on this repair and I love that it has CC enabled. Thanks so much.

@petrocksgarage 3 жыл бұрын

Thanks a lot. I appreciate it.

@Quickti 8 жыл бұрын

Your video made my job a lot easier. I was able to assemble spider gears, but was scared to attempt before watching your tutorial. Great coaching skills and thanks a million for sharing your knowledge!

@petrocksgarage 8 жыл бұрын

No problem. I'm glad my video helped you out.

@mikecianci1762 Жыл бұрын

@@petrocksgarage l

@petrocksgarage Жыл бұрын

@@mikecianci1762 You

@c.m.oooo1111 Жыл бұрын

You saved my car today. Thanks kindly. My spider gear fell in to a nest and I watched this clip saved my day.

@petrocksgarage Жыл бұрын

No problem. I'm glad my video helped you out.

@MaxQscience 8 жыл бұрын

Congrats, this is the very best mustang rear diff rebuild video on youtube. A do it yourselfer like me and can watch this video while doing the actual rebuild and get the job done right. Score perfect 10

@petrocksgarage 8 жыл бұрын

+Silicon Valley Engineer, thanks a lot. I appreciate it.

@robrushing2345 3 жыл бұрын

I second that!!!! I watched a video and the lady mechanic said don’t let the ring hear spin it will misalign the spiders and they are extremely hard to adjust. Well I did just that today actually one fell out into the pan and my anxiety hit defcon 5. Thank God in heaven I found your video! You are a blessing bro!!

@petrocksgarage 3 жыл бұрын

They aren't that hard to adjust once you know how the gears work/mesh together. I'm glad my video helped you out. Thanks a lot.

@KnightVideoEditing 8 жыл бұрын

Thank you so much! My upper and lower spider gears came out unintentionally while replacing the axle seals and I was already expecting the worst as I didn't get them back in. Your video made it very clear and I'm happy to see how easy it is to get them back in.

@petrocksgarage 8 жыл бұрын

+KnightVideoEditing, thanks a lot. I appreciate it. I'm glad my video helped you out.

@theoriginalNoOne. Жыл бұрын

Nice video! Glad I replaced the studs on one axle, otherwise I would have them mixed up lol

@petrocksgarage Жыл бұрын

Thanks a lot. I appreciate it. Yeah, it's important to put the axles back in the same side they came out of. On some diffs its pretty obvious, but on these its not so much.

@blakethompson8022 4 жыл бұрын

very detailed, specific, and clear. thanks for posting this.

@petrocksgarage 4 жыл бұрын

Thanks a lot. I appreciate it.

@1995flyingspur 3 жыл бұрын

OMG!! I have replaced countless axle shafts, bearings, etc so many times and every single time I've been petrified of the spider gears falling out! You made my day! No more fear for me! I cannot thank you enough for this video!

@petrocksgarage 3 жыл бұрын

Thanks a lot. I appreciate it. I'm glad my video helped you out.

@chrismalone4062 7 жыл бұрын

You're on of the best youtubers at describing what to do. Thank you!!

@petrocksgarage 7 жыл бұрын

Thanks a lot. I appreciate it. :-)

@bakardy2011 7 жыл бұрын

+Pet Rock's Garage habe you ever had Hell pulling out the shaft? it acts like it wants to come out and gets stuck about 2 inches from locking position. i feel really dumb.

@petrocksgarage 7 жыл бұрын

I’m not really sure. They just slid out for me without a problem. I responded to your other post with a suggestion on how to get it out. Good luck...

@crystalsweet3759 2 жыл бұрын

Fantastic video! Never seen a differential tear down and rebuild with this kind of detail. Thanks for sharing!

@petrocksgarage 2 жыл бұрын

Glad to be of service.

@Texasknowhow 8 жыл бұрын

Beneficial video. Appreciate you taking the time to film it. I have similar repairs to make on both a Dana 44 and a Ford 8.8 from a 2000 Explorer. This was good for a preview of what to expect on the Ford. Thanks again, Clay

@petrocksgarage 8 жыл бұрын

+Texasknowhow, thanks a lot. I appreciate it and good luck.

@waybelowgrade 2 жыл бұрын

You helped me your real good at this as the comments reflects

@petrocksgarage 2 жыл бұрын

Thanks a lot. I appreciate it.

@tonyp4205 3 жыл бұрын

Extremely helpful ... Thanks a ton! I wasn't planning on touching the spider gears in my 2007 V6 Mustang when I upgraded to the GT500 rear brakes but I found a leaky axle seal and the spider gears fell out when I went to reinstall the big pin in the differential. After 30 minutes of "I almost got the &%a0a$ spider gears lined up that time", I took a break and found your clear and explicit instructions. Well done! Thanks to you I was back on track in less than 3 minutes.

@petrocksgarage 3 жыл бұрын

Everyone has days like that. Glad to hear you knew to walk away and regroup before you really screwed something up (e.g. get a big hammer). I'm glad my video helped you out and that you got the job done. Thanks for watching & commenting. I appreciate it.

@tgi3197 8 жыл бұрын

Excellent video! Very professional and helpful. Thank you Sir!

@petrocksgarage 8 жыл бұрын

+Thomas Gagliardi, no problem. Thanks for watching and commenting. i appreciate it.

@richardschetnan4539 6 жыл бұрын

Thank you! Was having trouble getting the spider gears installed correctly, and this helped. Got it all back together again.

@petrocksgarage 6 жыл бұрын

Thats great! I'm glad my video helped you out. Thanks for watching and commenting. I appreciate it.

@MrTurtletraxx 5 жыл бұрын

Thank you times 100! Your video re: spider gears saved me. Cheers.

@petrocksgarage 5 жыл бұрын

Thats great! I"m glad my videos helped you out.

@mikeendsley8453 8 жыл бұрын

Damn, I wish more mechanics were like you! Great job and video...sub'd!

@petrocksgarage 8 жыл бұрын

Mike Endsley, thanks a lot. I appreciate it.

@JourneyToTheTruthandTR 6 жыл бұрын

That was an excellent video. Short and thorough. Best I've seen this far. Nice job!

@petrocksgarage 6 жыл бұрын

Thanks a lot. I appreciate it.

@christheking6031 3 жыл бұрын

Your a excellent teacher. I was just about to replace the whole rear end until I seen your video. Thank you very much

@petrocksgarage 3 жыл бұрын

Thanks a lot. I'm glad my video helped you out and saved you some $$$ in the process.

@toddbarlow3094 6 жыл бұрын

Really good video. Helped me a lot when my gears fell out when I was replacing my bearings. Thank you.

@petrocksgarage 6 жыл бұрын

Thats great. I'm glad to hear my video helped you out. Thanks for watching and commenting. I appreciate it.

@robertdunphy6701 5 жыл бұрын

Mine fell out doin hub bearing thanks bro direct to the point no nonsense bullish

@1995flyingspur 3 жыл бұрын

This is an awesome video!! Thank you so much! I am no longer afraid of my spider gears! Real spiders are a different story!👍

@petrocksgarage 3 жыл бұрын

Thanks a lot. I appreciate it. I also agree about spiders, especially if one crawls on you.

@joshualomax7190 2 жыл бұрын

Thanks for very instructional and informative videos. I've gotta do the rear seals on my Mustangs and had no clue how.

@petrocksgarage 2 жыл бұрын

Thanks a lot. I appreciate it. Good luck!

@kevinmcadoo9045 4 жыл бұрын

Thanks for you advice I was able to spend the top spider gear back into place and put the differential back together. Although its was still some what of a challenge given my short arms and think build. Thanks once again!! Now I need to replace the U-joints so hopefully it goes pretty smooth.

@petrocksgarage 4 жыл бұрын

Thats great! I'm glad you got it figured out. Good luck on the U-joints.

@hickbillybob3199 5 жыл бұрын

On my lord.. I have drove myself crazy trying to figure out how to get some of them gears back in, the ones that the pin goes through.. It all of a sudden looks so easy. Thanks for the awesome video

@petrocksgarage 5 жыл бұрын

Thanks a lot. I'm glad my video helped you out.

@johnnyverbeeck1289 8 жыл бұрын

It looks like others have already said the same thing, but THANK YOU very much! I expect I'll have to be doing this job very soon on my Mustang and you have made it very clear and understandable how to get it done. Good video. Good narration. Keep doing what you do!

@petrocksgarage 8 жыл бұрын

Johnny Verbeeck, thanks a lot. I appreciate it. I'm glad to know that my videos are helping people. That is my goal. Thanks again...

@johnnyverbeeck1289 8 жыл бұрын

Turns out I did end up doing the job and it was much easier to do after having watched your video. I would have been unprepared without it. Thanks again

@petrocksgarage 8 жыл бұрын

+Johnny Verbeeck, thats greats! Thanks for letting me know. I appreciate it.

@icussdemise1043 8 жыл бұрын

Great video, appreciate it. Plan to do this on an 85 5.0 thanks for the walk-through

@petrocksgarage 8 жыл бұрын

+Patrick McLevaine, thanks. Good luck...

@Gekkoukitsune9 8 жыл бұрын

Dude i dont comment much on videos but by god you are a life saver like omg thank you !!!

@petrocksgarage 8 жыл бұрын

Gekkou Raion, thanks a lot. I appreciate it.

@Gekkoukitsune9 8 жыл бұрын

Me and my 1996 cobra thank you sir although I have a question

@petrocksgarage 8 жыл бұрын

Gekkou Raion, whats your question?

@Gekkoukitsune9 8 жыл бұрын

ok i know my rear end is going out only one wheel turns but, now the side that doesn't turn the brakes are grinding against the rotor! so my question is will this be fixed once i fix the rear end or is this something else causing this!? they have brand new brakes in the back

@petrocksgarage 8 жыл бұрын

Gekkou Raion, the brakes shouldn’t be touching the rotor with enough force to prevent the rotor from spinning if the brake pedal and emergency/parking brake is not set. Something is going on there that is likely independent of the differential issue. I’d take the caliper & rotor off and see if both wheels rotate when the rear is off the ground. Good luck...

@kitsune7215 5 жыл бұрын

Great video thank you, this made a few things little clearer and easier to see specially with the inside of the diff.

@petrocksgarage 5 жыл бұрын

No problem. I'm glad my video helped you out.

@stececcato 3 жыл бұрын

Seeing you work the spider gears helped me figure out my problem!! Thank you

@petrocksgarage 3 жыл бұрын

Thats great! I'm glad my video helped you out. Thanks for watching & commenting. I appreciate it.

@deltaflossy5848 6 жыл бұрын

you are awesome....i got a piece together Commanche....has an 8.8 rearend...you answered all my questions and gave me a few tricks

@petrocksgarage 6 жыл бұрын

Thanks a lot. I appreciate it. I'm glad my video helped you out.

@thomv2118 6 жыл бұрын

A thousand thank you's for the great video and explaining it so well!

@petrocksgarage 6 жыл бұрын

Glad to be of service.

@jimpow44 6 жыл бұрын

Thanks so much for helping solve the mystery of how to remove the pinion shaft lock bolt! Mine was fairly stripped by the previous knucklehead so it had to be replaced. Thought I would have to remove the bearing carrier bolts. Yahoo!

@petrocksgarage 6 жыл бұрын

No problem. I'm glad my video helped you out.

@bejag7676 2 жыл бұрын

Nicely presented. Thanks for the in depth info!

@petrocksgarage 2 жыл бұрын

Thanks a lot. I appreciate it.

@johnc7431 3 жыл бұрын

Nice job I have a 93 F-150 8.8 it has a lot of backlash going to get the parts and take care of it you make it look easy good video thank you

@petrocksgarage 3 жыл бұрын

Thanks a lot. I appreciate it. Good luck.

@manuelhuerta5515 8 ай бұрын

Very well installed very thank ful.

@petrocksgarage 8 ай бұрын

Thanks a lot. I appreciate it.

@MrSnipes1987 6 жыл бұрын

by far the best video for this subject!

@petrocksgarage 6 жыл бұрын

Thanks a lot. I appreciate it.

@mikeroark5570 4 жыл бұрын

Extremely helpful video! Great job. Thank you!

@petrocksgarage 4 жыл бұрын

Thanks a lot. I appreciate it.

@rickjones1281 4 жыл бұрын

Wow ! Love the way you explained that.

@petrocksgarage 4 жыл бұрын

Thanks a lot. I appreciate it.

@jockodog2009 3 жыл бұрын

Excellent video. Very thorough and informative.

@petrocksgarage 3 жыл бұрын

Thanks a lot. I appreciate it.

@jockodog2009 3 жыл бұрын

@@petrocksgarage Is the roll-in of the spider gears as easy as it looked in your video? It seems very straightforward rolling in the 1st gear, rotating the carriage, and rolling in the opposite gear, and lining it up with the 2nd. That easy?

@petrocksgarage 3 жыл бұрын

@@jockodog2009, yeah pretty much.

@davidclark3147 4 ай бұрын

Damn dude you're the best I've seen and I've looked at I know you inspired me to do it Myself

@petrocksgarage 4 ай бұрын

Thanks a lot. I appreciate it.

@texmextu2 4 жыл бұрын

You mentioned this is Ford but it’s the exact same thing as my GM 7.5, I think I can do this 💪🏽, very specific and detailed video

@petrocksgarage 4 жыл бұрын

Yeah, the internals of most open differentials like this are, for the most part, the same. So if you know how to do one, you know how to do others. Good luck.

@anthonyainsolar 7 жыл бұрын

great video! very well shot and very informative! thank you!

@petrocksgarage 7 жыл бұрын

Thanks a lot. I appreciate it.

@1948steven 8 жыл бұрын

Thank you for this video it was a tremendous help.

@petrocksgarage 8 жыл бұрын

+1948steven, no problem. I’m glad my video helped.

@mariedale14 7 жыл бұрын

FANTASTIC INFORMATIVE Going to attack this job rear driver side bearing starting to make noise thanx

@petrocksgarage 7 жыл бұрын

Thanks a lot & good luck.

@richardlewis7471 3 жыл бұрын

Excellent video! Took the mystery out of it!

@petrocksgarage 3 жыл бұрын

Glad to be of service.

@carnut04 9 жыл бұрын

Very informative! Good job.

@petrocksgarage 9 жыл бұрын

carnut04, thanks a lot. I appreciate it.

@benjaminkrieger4289 7 жыл бұрын

very helpful, saved me from having a heart attack. i did this on a 2010 crown victoria p71 . thank you.

@petrocksgarage 7 жыл бұрын

Thanks a lot. I'm glad my video helped you out and saved you an ambulance ride. :-)

@dashlamb9318 6 жыл бұрын

Thank you for a great video. It explained everything well. I intended on repairing a seal and axle bearing, but now I'm wondering if I should go ahead and put new spider gears in while I have it apart. It is a 96 Ranger with a bunch of miles. It did appear doable from your video, though I know "looks are deceiving."

@petrocksgarage 6 жыл бұрын

If the spider gears are loose or worn then definitely replace them. They aren't a normal maintenance item. So, in my opinion, if they aint broke, don't fix 'em. Check out my video on replacing the axle seals & bearings on a ford diff (kzfaq.info/get/bejne/jL51pN1-u7i2o6M.html). Thanks for watching & commenting. I appreciate it.

@y2tommyk 8 жыл бұрын

Thanks for the solid instructions man

@petrocksgarage 8 жыл бұрын

No problem. Thanks for watching & commenting. I appreciate it.

@eye-ntheskybillysimmons 3 жыл бұрын

Thank you so much for making this video 👍😊😊

@petrocksgarage 3 жыл бұрын

No problem. I'm glad my video helped you out.

@SuperSammy1977 8 жыл бұрын

Again, great job! Thank you.

@petrocksgarage 8 жыл бұрын

+SuperSammy1977, again, thank you. I appreciate it.

@steveb264 8 жыл бұрын

I never comment on videos but after watching I have to say one of the best how to videos I have ever seen on youtube. My wife has a 2001 Mustang is it pretty much the same as the 98? She has a leak on the right rear seal and I noticed lot of play In the axle so it is probably due for some new gears also. Thank you again for the video I will share and watch all of your videos.

@petrocksgarage 8 жыл бұрын

+Stephen StephenB, Yes, your wife's '01 is pretty much the same as my wife's '98 (in terms of the differential). I wouldn't condemn the gears before pulling the diff cover and having a look inside. The play could be due to a lot of things, including but not limited to, bad driveshaft u-joints. Good luck...

@challengert9155 6 жыл бұрын

Great info and down to earth. Great Job

@petrocksgarage 6 жыл бұрын

Thanks a lot. I appreciate it.

@frankv9068 2 жыл бұрын

Fantastic video! Thank you so much!

@petrocksgarage 2 жыл бұрын

Thanks a lot. I appreciate it,

@Stanleybb50 3 жыл бұрын

Spectacular video man. 👍👍

@petrocksgarage 3 жыл бұрын

Thanks a lot. I appreciate it.

@goldwingdrifter5886 2 жыл бұрын

Thank you very much for this video. 🙏

@petrocksgarage 2 жыл бұрын

No problem. Glad to be of service.

@rodritejedart 2 жыл бұрын

Amazing job thanks for the video I appreciate 🙏

@petrocksgarage 2 жыл бұрын

Thanks a lot. I'm glad my video helped you out.

@mikeperry4803 Жыл бұрын

Excellent video

@petrocksgarage Жыл бұрын

Thanks a lot. I appreciate it.

@jeffspen4594 4 жыл бұрын

Was replacing the axles and the spider gears fell out. Thanks for relieving a lot of stress for me today.

@petrocksgarage 4 жыл бұрын

I bet that was a P.I.T.A. Glad to be of service.

@kevinagnew6878 Жыл бұрын

Good work 👏

@petrocksgarage Жыл бұрын

Thanks a lot. I appreciate it.

@natefelton2990 Жыл бұрын

Thanks you made it look easy!

@petrocksgarage Жыл бұрын

Thanks a lot. I appreciate it. Good luck.

@SurvivalInFlames 6 жыл бұрын

Great video. You didn't clarify in the video, so someone may do unnecessary work, but you don't need to remove the spider gears if all you are doing is removing the axle shafts. I always just leave them in place.

@petrocksgarage 6 жыл бұрын

True, if you have a center pin with a cut out in the middle like the aftermarket one I installed in this video you can just rotate the center pin to give clearance for the axle shafts to be pushed in etc. However, if your center pin does not have the cut out, like the stock one I replaced on this car, you have to remove the center pin. At which point it is super easy for the spider gears to fall out and potentially get damaged if they fall out of the diff & bounce around on your garage floor. So it's often easier/safer to remove them in this case. But go with whichever method works for you.

@warmachine5424 3 жыл бұрын

Thanks man , very helpful for me 👍

@petrocksgarage 3 жыл бұрын

Thanks. I'm glad my video helped you out.

@gerardomalacara4450 Жыл бұрын

THANK YOU FOR SHARING

@petrocksgarage Жыл бұрын

No problem. Thanks for watching & commenting. I appreciate it.

@austinbottensek9878 4 жыл бұрын

Very good video thank you for the little tricks. I have 1992 ford ranger with drum brakes on the rear I’m curious what you think about me using a donor mustang for a disc brake conversion??

@petrocksgarage 4 жыл бұрын

Not all 8.8's & 7.5 diffs are the same. While the center part with the gears is the same, the axle tubes and suspension mounting brackets can be different. It all depended on the car it was installed on. Mustangs have a 4-link suspension. I don't know what style Rangers have. If it's a 4-link then it should bolt right up assuming the axle tubes are the same lengths as your stock axle tubes. There are tons of other model cars & trucks that came with 7.5 & 8.8 diffs. So, yes you could find a donor car and convert to disc brakes. However, you need to make sure that the axle tubes lengths and the mounting brackets are the same as on your truck. If the mounting brackets are different you could pay a shop to weld up new brackets for you. But its easier/better to find a diff with the correct brackets already installed. Hope that helps & good luck.

@juang4537 8 жыл бұрын

thanks for your videos they are very helpfull

@petrocksgarage 8 жыл бұрын

+Juan G, no problem. I’m glad they helped you out.

@pete-mz9vr 2 жыл бұрын

Very good video!

@petrocksgarage 2 жыл бұрын

Thanks a lot. I appreciate it.

@azizshavershian2065 Жыл бұрын

hey man thank you so much for the awesome videos. I'm changing the axle bearings on my 8.8 98 Cobra this week, and the instructions are very adamant about not damaging the spider gears when rotating the differential to expose the axle c-clips. in your video you say they just slide out when rotating it - this concerns me lol. what's the best way to rotate everything with the pin out to expose the c-clips without damaging anything? thank you so much in advance

@petrocksgarage Жыл бұрын

I think the damage they may be referring to is if the spider gears fall out and bang around on the floor. If the gears remain in the carrier then there should be no damage to them. When you get it apart it might make more sense. After rotating the carrier a little, with the pin out, you will see that the spider gears didn't rotate with the carrier. When this happens, just manually & slowly rotate one of the tires to rotate the spider gears back into position. Make sure to rotate the tire while you are watching the gears so you don't rotate it the wrong direction. If you are super worried about the spider gears coming out you could run some zip-ties through the holes in the carrier that the pin goes through & the center of the spider gears to hold the spider gears in place. Basically putting zip ties where the pin was going. Hope that helps. Good luck.

@Miller8424 6 жыл бұрын

Watched a few of these before I work on mine, yours has been the best one. Good Job!

@petrocksgarage 6 жыл бұрын

Thanks a lot. I appreciate it.

@cermem 8 жыл бұрын

good vid leared something i never knew before

@petrocksgarage 8 жыл бұрын

+cermem, thanks lot. Glad to be of service.

@qwaintetquimby7351 2 жыл бұрын

You are a got damn life saver step by step perfectly

@petrocksgarage 2 жыл бұрын

Glad to be of service. I'm glad my video helped you out.

@jabsage155 4 жыл бұрын

sir thank you so much your video rocks you're the man

@petrocksgarage 4 жыл бұрын

Thanks a lot. I appreciate it.

@IslamicMehfil4555 6 жыл бұрын

Awesome. ... keep sharing knowledge

@petrocksgarage 6 жыл бұрын

Thanks a lot. I appreciate it.

@ruizgaspar1988 2 жыл бұрын

Your a life saver!!!!!

@petrocksgarage 2 жыл бұрын

Thanks. I'm glad my video helped you out.

@markzanetti6228 6 жыл бұрын

Excellent job. thanks

@petrocksgarage 6 жыл бұрын

Thanks a lot. I appreciate it.

@leocadena6844 6 жыл бұрын

GREAT VIDEO! THANK YOU!

@petrocksgarage 6 жыл бұрын

Thanks a lot. I appreciate it.

@soaringfilms3656 3 жыл бұрын

Hey I had a question. But first thank you for the informative video it’s literally a Godsent. So! I have a 2000 v6 mustang I was wondering if 7.5 rear ends had axle vents. I know 8.8s do so I went to research for 7.5 vents but found zero information on them for my generation mustang. On the right side of my 7.5 axle I see what looks to be a vent but I’m not sure, very rusted looking and has no play like a vent should. So would you know if we do have axle vents? Thank you very much

@petrocksgarage 3 жыл бұрын

Yes, 7.5 diffs have an axle vent on the passenger side of the diff. Specifically on the "top" of the axle tube. The diff in this video is a 7.5", btw. I too couldn't find a vent specific to 7.5, but the one I did find for the 8.8 on AmericanMuscle.com looks a like the one on my 7.5 diff. Its likely the same part. I'd suspect it would be available at most auto parts stores. You might need to specify 8.8 diff if they don't have one specific to 7.5. Next best option is a junk yard. Good luck.

@REsuperGRX7 2 жыл бұрын

great video thank you. like some commenters i was just doing wheel bearings and seals and my spider gears fell down. tried and tried to get them in. can only get the spider gears back in without the washer, but cant seem to "slip" the washers behind them. looks like i might pull the whole carrier out and assemble on the bench, idk. working on a 2011 f150 with the 9.75 open diff if that makes a difference. thanks for the info.

@petrocksgarage 2 жыл бұрын

The washer has a lip that centers it on the spider gear, so you have to install the spider gear & washer together otherwise you'll never get the washer in place. Unless you don't have room to work under your truck, which I think you would have way more then I did under this Mustang, pulling the carrier is a little overkill and could open up a can of worms you don't want to mess with. Its unclear from your comment on if you tried the technique I demonstrate in this video to get the gears back together. If you haven't, I would give it a shot. The gears & washers fit in there before so they should fit back in again (assuming the gear & washer isn't damaged from falling out). Good luck.

@REsuperGRX7 2 жыл бұрын

@@petrocksgarage finally just got it, took the whole thing out the pumpkin got everything lined up then pushed the main gears apart to get enough room to slide spider gears washer in then was able to rotate and all back together finally haha woohoo bit of a pain. Made sure all shims and spacers all went back as they came out. Thanks for replying

@petrocksgarage 2 жыл бұрын

@@REsuperGRX7 Glad to hear you got it sorted out.

@ulisesc4388 4 жыл бұрын

Thanks for videos

@petrocksgarage 4 жыл бұрын

Glad to be of service.

@tbagsha 7 жыл бұрын

question, about the rubber O rings on the inside of the left and right shafts. does it ride to the outside of the clips towards the splines or on the inside towards the center of the car?

@petrocksgarage 7 жыл бұрын

I’m not sure it matters. But on my case they were towards the center of the car on both axels.

@thanachaichongwong4993 2 жыл бұрын

Thanks very nice video

@petrocksgarage 2 жыл бұрын

Thanks a lot. I appreciate it.

@melmac67 5 жыл бұрын

Was the play in the axels the reason for replacing the spider gears (guts)? Had a shop swap gears 2.73 to 3.73’s on 92 lx and noticed vibrations on the highway when reaching speeds of 70 and above. Would this application fix this issue or would I need need a complete swap (ring and pinion). Thanks for the tutorial, I will be attempting this in a few weeks.

@petrocksgarage 5 жыл бұрын

Yes, the play in the axles and the diff needing a fluid change is why I investigated. Its doubtful spider gears would cause your problem. Lots of things can cause a speed specific vibration. I'd start with the simple stuff, like unbalanced wheel, tires or drive shaft. Good luck.

@OceanRide1 8 жыл бұрын

Well made informative video.

@petrocksgarage 8 жыл бұрын

+OceanRide1, thanks. I appreciate it.

@kevinmcadoo9045 4 жыл бұрын

Question, when you spent the top gear into place and rotated it to the back did you turn the axle or drive shaft to spend into place?

@petrocksgarage 4 жыл бұрын

Axle. Hope that helps.

@kevinmcadoo9045 4 жыл бұрын

@@petrocksgarage Thanks, I will give it a shot and let you know the results.

@michaelward789 5 жыл бұрын

Very helpful thank you

@petrocksgarage 5 жыл бұрын

Glad my video helped you out.

@truewholesaleing2480 8 жыл бұрын

Hey Pete my mustang differential fluid ran dry because i had a slow leak an my rear end went out it will still move back an forth when its in gear but has a dragging sound.....now if i perform what u did in the video would that fix it??

@petrocksgarage 8 жыл бұрын

+true wholesaleing, its Pet Rock, not Pete. it is hard to say what your noise is, especially from my keyboard without having seen the condition of your differential. The sound could be any number of things. Most likely you fried one or more bearings, but I wouldn’t be surprised if you also put a lot of wear into the gears (not just the spider gears). I’d recommend taking it to a differential shop and have them take a look. You likely need a new diff or a rebuild. Good luck...

@dondon98 4 жыл бұрын

Yeah hes really good & thorough

@petrocksgarage 4 жыл бұрын

Thanks a lot. I appreciate it.

@dondon98 4 жыл бұрын

@@petrocksgarage Yw man ive got 2006 Ford F150 4x4 Heritage lifted

@mecook2419 7 жыл бұрын

Do you have to take the upper control arm off. The rear end of a 2004 ford explorer. To change the spider gears

@petrocksgarage 7 жыл бұрын

No, you don’t not have to remove the upper control arm. You shouldn’t need to touch it. Good luck...

@mafia631 6 жыл бұрын

Thanks for making this video. I will be doing the rear end on my 99 f150 tomorrow. Curious if the 7.5 and 8.8 is similar to the 9.75 which is what i have?

@petrocksgarage 6 жыл бұрын

They are very similar. The techniques I show in this video should get you through it. Good luck.

@mafia631 6 жыл бұрын

My pin did not come out easily at all! Lmao This video helped a lot tho: I had to pull the carrier and mangled clutch discs out as-well. Thanks bud.

@petrocksgarage 6 жыл бұрын

Those pins can sometimes be a P.I.T.A. to remove. Sounds like your diff is a limited slip diff (via the clutch packs) which is slightly different then an open diff like the one in this video. But they are similar enough that you can get the gist of it. Glad to hear you got it done and that my video helped you out.

@eecervantes83 Жыл бұрын

Have a dana 80 open diff. Both wheels are rolling as one. Was told the spiders seized themselves to the center pin. This is on a 99 3500hd . Trying to get more information before I buy a spider replacement set. Can't seem to find info online.

@petrocksgarage Жыл бұрын

If you hold one wheel in place, can you spin the other? If so, then the gears are not seized and you likely have a limited slip differential instead of an Open differential. If you can't spin the other wheel, then they could be seized/welded or a locker has been installed. Only real way to know what is going on is to remove the cover and have a peak inside. Good luck.