Hello Wes, Bosch had a service bulletin on these pumps back in the late 90s. Excess assembly lube on the lower barrel o-rings at the factory in Brazil where these pumps were built would cause the plunger to stick or hang in the barrel when hot. The heat would cause the lube to expand that was captured between the lower o-rings, constricting barrel and binding plunger. The cure is teardown and reseal barrel assemblies.

Where else can you get automotive instruction, harvest status and corn prices on the same channel? Wes does it all!

SMA and Wes back to back. It’s like an early Christmas present

That "lay above the engine " contraption seems like a game changer.

I remember when I was young and my "P" pump was turned up way higher than it needed to be. Got me in all sorts of trouble. Good times. 😋

It's rather obvious, the engineers who design automobile engines do not take in consideration the mechanics that have to work on them. I'm impressed at the way you manage to work around all of the difficulties. Keep up the good work.

Those dudes at area diesel are the best!

Let's hear a cheer for Unicorns and Area Diesel Service!

There is 20 to 30 of those engines in my area that I’ve worked on and been around for 10 to 15 years and I’ve never seen a P Pump fail ….. ever. This is crazy.

Pulled the injectors from my little Isuzu ute this morning. It's taken me ages to find someone local to rebuild them here in Australia. A no BS rebuild service is a beautiful thing.

Really enjoy your videos Wes. Thank you for continuing to take the time to do them up and put them out for our entertainment.

Found out about Area Diesel through your channel and have since used them a few times on our KZfaq channel They are great people

Thanks Wes for sharing! Area Diesel shop is a GREAT repair/manufacturing facility. I saw your tour video of their place and it's readily apparent they know their stuff!

You about need an engine hoist on that pump. Another good repair. Enjoyed watching as always.

Watched ADS’s rebuild video. Amazing amount of skill and experience goes into that process. Based on what I saw I wouldn’t send one anywhere else for that service.

I'm so addicted to watching Wes work that I've been binge watching all his videos again. Thanks Wes!

“Who even cares if it works.” LOL. A thing of beauty only a mechanic can appreciate. 😆😉

Boy, old Gary really knows his stuff and he didn't even have any parts left over! LOL

Area Diesel Service was a game changer in getting the injection kit for our 2004 duramax.

I just love the dejected and tired look on Wes's face lol.

yes happy thanks giveing to all across the pond

Watched the full directors cut version of the Area Diesel Services strip down, rebuild and test video a few days back, top class nerdy detail, plus I got the heads up that todays video would have a happy ending. Thanks Wes, and thanks to the guys at Area Diesel Services.

Companies such as Area Diesel Services that do great quality work are not always easy to come by in 2022. Lots of parts changers, slow service, and mistakes are often the standard.

You are a helluva mechanic Wes I wish we had someone with your skill set here! Sweet vid man

The Area Diesel video is amazing!!

It’s been close to 20 years since I had to do a P pump in a 5.9. And I don’t miss it one bit 🤣

I thoroughly enjoyed this one. Also watched the P pump rework. Nice to see real experts at work. Another pleased customer and with a truck such as this one, it is worth it to go the extra mile.

I work on the 2000s and newer dodges and wow that bosch pump looked like a civics engine block in comparison to the pumps they have now

Injection pumps are arcane magic. Its handy to know the right Wizard to send them to.

The patience required to repair that pump and not forget a hose or bolt is really something. Nice job once again. By the way i would fire Max and get a good mouser.

I’m in awe watching those guys re build that P Pump! Such a thorough outfit. I can only imagine how much that cost. Worth every penny I’m sure.

That pump is nearly as big as the engine in my first car ( Austin Mini 850 cc). The close tolerances are mind blowing on these instruments, hence part of the cost of diesel engines being expensive compared to petrol equivalents. Great diagnosis and repair, thank you for sharing. Regards John

Poor Max, that mouse drove him nuts. :) Thank you.

LOVED your comment on unboxing the pump: "...who CARES if it works!? LOOK at this thing!" LOL.Truly, you are a machine geek.

I watched video number one, then watched the full length video of the rebuild, and then came back here to see the results. Totally freaking amazing. I encourage everyone who wants to know how difficult it is to do some of these jobs, (But Gary made it look super easy), to watch the full length of all three videos in that same order.

I can't help but smile. That pump is almost as big as the engine of some of these small Korean and Japanese cars!

Omg that Bosch P pump came Back looking like Eye Candy wow 👌 Area Diesel Service always Rocking out the best if the best Services @Watch Wes Work

Hi Wes, I came to you via Diesel Creek and Area Diesel Service. I've seen the full repair of the Bosch diesel pump, literally hours and hours of watching the assembly and calibration of the pump. Such an amazing series of videos. What a pleasure to see such truly skilled professionals display their skills and craft. Be very proud, all of you, as you are the men and woman who make America great. Greetings from Australia. There are several points in your videos that surprise me. The most notable is the fact that most vehicles are not inspected for registration. In New South Wales all vehicles are inspected for registration once they are more than five years old at every annual registration renewal thereafter. All of those rusty wrecks you show with chassis and structural rust wouldn't be registered in Australia. Part of the road test includes a test to prove the hand brake functions. Along with a readout from deceleration meter to prove the function of the handbrake. So far they don't test for exhaust emissions, although smoky diesels would need to be checked and repaired. Luckily we don't have salted roads in Australia. Vehicles can easily last thirty years when properly maintained and driven. Thank you for a great KZfaq channel

great video Wes and the team at ADS did a great job at rebuilding the pump. Experts all round in this vid! 👍👍

Crackling Dodge plastic conduit ASMR, by Wes. Awesome.

Good Ol Max. The sentinel of the shop. Thanks for the video Wes!🐾🐀🍺

It must be immensely satisfying to hear an engine start-up the first time after having put it back together. Great job!

Go max go. Great job sir.

Watched this, then watched Area Diesel Service video, then came back to this one. Good stuff, hopefully you'll _never need to see it in your shop again._ :)

Beautiful truck!

Damn that p pump is the size of a 1978 Toyota 1.2 engine lol

Really enjoyed watching this whole process. From the diagnosis and disassembly, to the P-pump going to ADS for a rebuild, and back again to Wes for install, testing, and the confirmed fix. Well done all!

Excellent job getting those issues addressed on a 12v P-pumped Cummins engine well done

I watched up until 17:34 where you showed a link to Area Diesel Service, watched that video then came straight back where I left off and there you were with the reman pump in the box. Made for an awesome extra long video! The expert that built that pump said he did turn it up a little.

Thank you Wes for this video with a link to area diesel service. They gained a new customer from the knowledge I saw in the video. Also that has got to be the cleanest 12 valve I've ever seen!

That injection pump it's like a smaller version of the 5.9L that it feeds. Thank you, CRD engineers for making things smaller and simpler.

Those old diesels sound very good

I really love that truck, Wes. Thanks for sharing it with us!

You don’t know who you are buddy. Off the charts!

had a diesel chevy 6.5. when it got hot would not restart hot, pour a gallon of water on injection pump it start up every time, used to make money on bets about that.

The blue shop rag takes the place of the worry beads. Apparition indeed.

I just Geeked out on the +2hr rebuild version video. Incredible craftsmanship, attention to detail is superb. Now- about to watch the installation, performed by what those they called an "expert" so this should be equally entertaining. (No pressure there)

Interesting video. I've owned maybe 20 p pumped 12 valve dodges and never had an issue with the pump

Always fun to work on diesels. With all the wiring, hoses and other things, not a lot of room to work on that pump. Shocked that it doesn't use a key. Never heard of that before. Well learn something new all the time. Thanks for sharing.

I was waiting on the adjustable wrench to complete the circuit and see some fireworks 🤣

Sir I truly appreciate You're no nonsense approach to repair.

Area Diesel did a great job on that pump and they had good comments about your skills. I learned some neat pump operations which I'll never need. This is a great video. Your Max chases mice, my Taco Belle Chihuahua-Yorkie loves to look for the moles ruining my lawn.

Gorgeous Ram , and her older Brother too

I can hear his dog, "Shhhh! I just had him, but I can still hear him!"

Your videos are always so good. Wish you were able to do two per week.

Anyone else watching/waiting for Wes to bump that adjustable wrench with his elbow just right to short it across the battery lugs. Instant welding!

Nice work with the pump removal and install Wes 🙂👍 Glad to see you're doing ok. Take care 🔧

great content, thanks for sharing Area Diesel link

Nice to see how a small issue can cause big problems, those engines are pretty bullet proof! Oh No that yellow monster is back for more Wes Work!

It’s amazing how a little oil in the right place or anything really small can cause problems and those problems like this that ain’t consistent makes it hard to pin down what it truly is until you just take it apart thanks for sharing

Was waiting all afternoon for this, thanks as always Wes. Cheers, Wes

Good to see you

Zarb, Max is a great mouser: look at all the apparatus he assembled on the floor to capture the critter..! What Max lacks are the opposible thumbs to hold the broom and sweep-up afterwards...!

I had a very similar situation with an '84 Suburban with the 6.2 diesel. When it would get really hot the truck would shutdown or fail to start. That engine had the rotary injection pump which was lubricated with diesel v. engine oil like the P Pump. Replacing the pump gave that beast new life! It got 20MPG no matter where or how hard we drove it and had a 40gal tank ... long range comfort!

Gota love comebacks. Just had a customer bring back a snowblower for a stuck clutch that was fine when I gave it to the customer. I feel the comeback pain.

Mad skills dude. Mad skills.

I could see Max thinking.. Dude just go fix the truck please I’m right in the middle of something here🐀

The funny thing about those P pumps is that when they are running on the test rig they sound like a small six cylinder engine running. Oh & they did turn it up, they turned it up 10%

i havent watched it all yet but about 7yrs ago i had a 12v ppump do the exact thing had pump rebuilt and it was fine since

Just had area diesel service fix my p pump for exact same issue. 30k miles on a 94 f700. Nice work.👍

Stay safe and we'll see you next week.

Gary did turn the pump pressure up a little to compensate the removal of that "aftermarket thingy". And he did a excellent job

Good work Wes. It is not surprising to me there is more power after the injector pump was rebuilt. A faulty pump will not run at full efficiency. Thank you Mrs Wes for patiently assisting Wes.

I see your a spotted cow fan . My favorite wobble pop.🤪😁👍

THAT IS A " DAMN NICE RIG ", A SURVIVOR.

Wes hope you had good thanksgiving and glad you see today. And always enjoy your content Wes.

Hey Wes and Ms Wes, always something good to see at the shop 👍. Thanks for sharing and have a great week ahead 🖐

It looked like the waiting room outside is not as full as in past episodes. Either there were simple repairs or you have been very busy. I'm hoping the Unicorn does not come back when it warms up or you are going to lose a lot of hair scratching your head. Looking forward too the next episode of the pup vs. rodent. Take care, jack

With captions on, at 27:32 it states [APPLAUSE] and I feel like that's appropriate. 😍 Good work my dude! Still my favorite channel on the whole entire internets.

Awesome job Wes area diesel done a great job on the pump your knowledge of these types of engines defo shows you yourself know what your doing said it many times fantastic mechanic whom I wish I stayed near would recommend you in a heartbeat happy thanksgiving to you and the family take care and all the best mate 🔧🔧🔧👌👍

I watched the video on the repair. Wow! That guy really knew what he was doing. I overlooked, the first time around, just how much time you spent troubleshooting this truck. All I can say is the people near you are lucky to have you. Your knowledge, your dedication to getting it right is top notch. If I lived near you I would definitely use you for my repairs. Unfortunately, as I have gotten older, there are things I no longer do. Having to rely on others to do what I used is hard. Thankfully, I believe I found someone good near me but only after finding a dud first . Keep up the good work and these great videos.

Another award winning job! Keep up the great work!

Good luck Max.

You called it spot on. Great work and thanks for sharing Wes. Always a pleaser 👍👍

This one went from summer to fall... Always enjoy watching an Illinois brother do a great job! Merry Christmas Wes and family!

Once again our intrepid master mechanic Wes manages to track down the problem even tho he's heavily distracted by a certain pooch hunting vermin in his shop and still get the issue handled. He Da Man. Always a pleasure to see on of Wes's episodes pop up in my feed during Sunday Night football. Watch Wes with my left eye, the game with my right eye. Earbud left ear, tv right ear. Somehow it works.

Thanks Wes for the video. From the U.P. OF MICH.

Geeze Louise what a messy and difficult job that was. You can do it but not me. I do believe you have it all fixed. Great video as usual

went over to area diesel, experts in action. great to see it works well. nice long video, thanks

wow I am glad it's you working on that unicorn and not me LOL