Audi A4 B7 Replacing the rear control arms ( Subframe Removal )

Рет қаралды 20,082

2 жыл бұрын

In this episode of project Avant b6 b7 we attempt to replace the rear upper control arms but are met with resistance. We need to remove the subframe to gain access to the inner control arm bolt and nut. We need to remove exhaust system, Propeller shaft and lower the rear subframe. Enjoy the video hopefully you find it enjoyable and informative.
Drop a comment below. Subscribe to the channel. If you enjoy the video hit the like button.
my-store-11575764.creator-spr...

Пікірлер: 73

@dimitargoranov7930 Жыл бұрын

Nice video here!I will leave a pro tip for for everyone because this is probably the most detailed video of lowering an 8E subframe,and it's even a Quattro one!👀 If you're lowering the subframe,it'll be thrown out of alignment and you may experience some anomalies which many shops will scratch their heads over. -Left/right wheel sticking out more than the other -Left/right wheel being too far forward while the other one seems ok or it's too far backwards -Mysterious alingment problems and uneven tire wear While these may not be noticed instantly,they may be present in your car too. The solution to this is when you're assembling everything back together,take your time and measure these distances,tighten the bolts lightly and measure again because the subframe may shift a bit.Aim for the best possible symmetry because sadly Audi didn't provide us with alignment holes like the ones on the front subframe. And a second tip,absolutely always renew the bolts and buy only OEM ones because these bolts do stretch a lot and as you can see,they are tightened really good. I hope this comment was useful for someone because I too have been through this and people were calling me crazy.This information was gathered from Audizine and different B6/B7 enthusiasts and if anyone wants it but can't find it,I'll gladly share it since I keep the links.

@MyHomeGarage Жыл бұрын

That is a true pro tip.

@templetempest1730 7 ай бұрын

Thank you

@henricnerman 27 күн бұрын

Thank you for a great video. I used this video as a guide when doing the same thing on my Passat B7 4motion. I can now confirm that it is possible to do this with the car on jack stands, outside on the driveway. However I would not recommend it… 😂 Took me up towards 30 hours spread out over 3 days to do it all. Though I had to fight a lot with rust everywhere since I live in Sweden, with salt on the roads 5 months per year. 😅

@85cactus Жыл бұрын

You`ve just saved me hours of work by showing how to lower that subframe down step by step mate ;)

@Smludt Жыл бұрын

Thanks man, even having Bentley this helped, even more by sharing my frustrations with someone. Literally spent all day yesterday dealing with same issue and now today is removing the SF like this.

@MyHomeGarage Жыл бұрын

For sure. It's one of those jobs you don't forget.

@rjack151 2 жыл бұрын

Appreciate this real world video. Unfortunately I don’t have a 2 post in my garage, so there will be plenty of colorful language accomplishing this off jack stands 🤣

@MyHomeGarage 2 жыл бұрын

I believe it is totally doable with the jack stands. Goodluck

@ramonovazquez4351 2 жыл бұрын

Good video. I’m planning to replace all suspension parts (front and rear) on my 2007 Audi A4.

@MyHomeGarage 2 жыл бұрын

Nice. Its not too bad. Even with some siezed bolts. Lol

@milanpetrzilka6875 8 ай бұрын

Hi, many thanks for the tutorial! I have just managed it too. Keep doing this good job! Thanks from Czech Republic

@MyHomeGarage 8 ай бұрын

Thanks brother.

@Chris-lz7sx 2 жыл бұрын

Well done!

@damanyluke5454 2 жыл бұрын

Kool! U put some amazing work into this!

@MyHomeGarage 2 жыл бұрын

Yes I did. Im officially daily driving it. But there is more to come. Preventive maintenance especially.

@billmurray1199 2 жыл бұрын

My car has exact same corrosion issues, nuts and bolts seem to weld themselves together eventually. Thanks for going to the trouble of making the video, it means I'm going to try to undo that bolt before I even order the parts and Im going to start soaking it in lube regularly for a few weeks beforehand as I certainly won't be dropping subframe on my drive.

@MyHomeGarage 2 жыл бұрын

Good luck brother....

@niall01oneill 2 жыл бұрын

If you have some type of mig welder I can confirm if you get in behind the nut that’s tack welded on you can get in past the Exhuast by taking the rear box off it’s mount You will be able to weld said but back to the car the bish bash take your bolt out. Tried and tested

@TheBFBomber Жыл бұрын

Glad im not the onlyone with this problem

@MyHomeGarage Жыл бұрын

Lol..

@petercambridge1024 Жыл бұрын

I went to have my tracking done on my a4 quattro est and they showed me bolts that have rusted them in place so I've gotta do all that and replace the wishbones aswell as they think the bushes have worn out but gonna watch this video a few times before I even attempt any of that and I enjoyed the way you explained everything as you went Carry on the good work .......look forward to more videos

@Ahturro 3 ай бұрын

Respect man

@MyHomeGarage 3 ай бұрын

Thanks

@5876526 5 ай бұрын

Is there no room to weld the nut back on enough to u do the bolt?

@yvindrytterjohansen2306 2 жыл бұрын

Hi, you are a hard working man, apreciate your video! But you would done this on 2-3hours like i did. This loose bolt is 8 sprocket, not 6 like normal cars, VAG have some bolts that are not intended to come loose, they are 8 sprocket... i had exact same problem but didnt want to unscrew the whole car. So i modified an 24mm socket to fit 8 shape bolt, with a big dremel tool. So with an extender i was able to unscrew it from over the gas filling tube on the right rear. The secret is 8 shaped socket to fit the stupid 8shaped nut, a extender about 3" and a torque wrench. Good luck guys 😊💪

@MyHomeGarage 2 жыл бұрын

I love making life harder then it has to be. Lol.

@lebedeinupgrade Жыл бұрын

Do you can explain how you exactly reach the bolt? Is ist maybe a 27mm 8 shaped nut as Tool that i need? Is it reachable on Both sides left and Right without letting the subframe down ?

@MyHomeGarage Жыл бұрын

It's not easy to reach especially since there are things in the way and if it's super tight it doesn't help. Check comments someone got it out and mentioned the size awhile back. The rear passenger is the one that is hard to get to.

@haggismuncher4543 Жыл бұрын

Spanner goes in there no problem

@elbutchos Жыл бұрын

What size is the nut that is spinning with the bolt at 1:15 ? Would a nut extractor work if you manage to hammer it on ?

@MyHomeGarage Жыл бұрын

Check the comments someone commented on it.

@andyracksthecams 2 жыл бұрын

You could have tacked it back to the sub frame maybe?

@MyHomeGarage 2 жыл бұрын

I agree. That would have been smart.

@geneb4115 2 жыл бұрын

I noticed that you tightened and torqued the control arm bolts in the raised position. Is that going to stretch and eventually tear the bushing in the loaded position with normal suspension travel?

@MyHomeGarage 2 жыл бұрын

100% Since you can't access it in place because the nut will spin I torqued it as close to the original position as it came out. Because the whole subframe its pretty much out its impossible to torque them with vehicle load. We do what we can. Good observation.

@robertficek7586 2 жыл бұрын

@@MyHomeGarage I did the exact work on a B7 sedan, those captive nuts hold for tightening but not well in reverse. I put a very small tack weld, about 4mm dab when i reinstalled it just to avoid ever dropping the sub frame again. I was able to access the bolt for tightening the control arm bolts with the car loaded, but not the back nut to counter hold it, just the front bolts.

@MyHomeGarage 2 жыл бұрын

@@robertficek7586 I considered that but my welder wasn't around someone had jt. Also the arm should be good till it goes to the grave lol

@GCS88 Жыл бұрын

Subframe main bolts (the long ones) are torqued 110nm "NM" not ft-lbs. its 81ft-lbs. + 90 degrees.

@MyHomeGarage Жыл бұрын

Your 100% correct. I will make the correction in the editing.

@aus279561 Жыл бұрын

Could you remove the fuel tank without taking the rear subframe out?

@MyHomeGarage Жыл бұрын

I believe so.

@Chris-lz7sx 2 жыл бұрын

what brand is the lift you have?

@MyHomeGarage 2 жыл бұрын

Thanks. liftsuperstore.com/product/ragtop-convertible-9000-lb-4t/

@bizzypharaoh663 4 ай бұрын

How time you spend for that job?

@MyHomeGarage 4 ай бұрын

Half a day it was over 2 years ago now. I believe

@bobthablder 2 жыл бұрын

What size wrench did you use for the impossible nut?

@bobthablder 2 жыл бұрын

At the 16:15 mark.

@MyHomeGarage 2 жыл бұрын

15/16 i believe i didn't have a metric that fit.

@bobthablder 2 жыл бұрын

Dang, big boy! Im currently running into this issue on my '03. Was the open end of the wrench easier to get on it, or did the box end not fit?

@bobthablder 2 жыл бұрын

Im trying to avoid dropping the subframe, i can get a socket up there but cant tell the size.

@MyHomeGarage 2 жыл бұрын

@@bobthablder you can't fit a box end because it angles towards the frame. Not enough room on the bottom I tried. Stupid design lol.

@tiive8000 Жыл бұрын

I despise that inner bolt, Im going to have to remove it somehow this weekend and I swear to god if it comes to having to drop the subframe im gonna off myself