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I finally got around to take the truck (1165A1) to a car shop to service the A/C and after they drained it, they filled with 3lb 5oz R134A (I forgot that it needed 3lb 8oz and having 3oz less should not be a big of an issue?). Soon after starting the engine the cold air started coming out from...

Has anyone ported a L5P with a 6 or 10 speed Allison to a REV truck? What extra challenges are we talking about, aside from programming? Or is the LBZ / LML the sweet spot?

I bought a backup turbo center manifold on epay as I am planning to add a few sensors to measure boost and temperature as well as experimenting with water-methanol injection. https://www.ebay.com/itm/334305097902 The part is listed as NOS and it came in a box with an AMG label, however it is...

Both my USMC REV trucks have the DWF components except for the exhausts. When I looked behind the rear fender there is no fender reinforcement bracket #9, P/N 12339848, like it is shown in the latest TM-9-2320 387-24P manual available online dated August 31, 2009 (which also, it doesn't seem...

I opened the turbo to clean the oil inside and in the process the 3-bolt inlet gasket peeled off. It is about 61mm/2.4" ID and 80mm/ 3.15" center-to-center between the 3 bolts: There is no info in the TM and I looked around for an equivalent gasket, but most stores don't know the dimensions...

I am looking to repaint with actual CARC and need to order the correct paint codes. I did find the paint codes in the "Paint" forum (where I posted over a year ago) and the question is, what are the exact paint codes used on the tan ECV/REV USMC HMMWVs? I presume the TAN is 686, but how about...

Ok, so like many here I ended up buying a 2008 REV M1151A1 with 8k miles, initially for parts, but after picking it up, found that it had an IROAN in 2012 and it shows that the air filter was last replaced in 2020 at around 5k miles. The good news is that I was able to get it started and after...

Does anyone know what these hood markings mean? EXER. 10/14 (Exercised 10/14? - Does it need to be painted on the hood?) REB. (Rebuilt?) PRES (?) DRIVE ON/OFF (?)

Ok, so I was checking on my EUC status for a M1151A1 I recently got and boom, several windshields auctions pop on the screen listed as: (4) HMMWV Humvee Windshields - 5/8th Glass, without any other info besides a few pictures with a pile of about 24 windshields: I ended up winning one bid and...

I was under the truck and found this 4 pin cable below, hanging by the accelerator pedal not connected to anything, with the tags marked 762A, 762B, 762C, 762D: I searched all the manuals and the only mention I could find was a 762A in the 4L80E Troubleshooting Supplement, but it looks like...

My 1165A1 truck had about 7,000 miles on it when I got it and the brakes looked good. After driving less than 1,000 miles, the front passenger left brake pad (looking at it from the front) is completely worn out, with the left caliper pistons being extended almost double than the right side...

Maybe this was discussed before and I couldn't find anything about it...I am not a mechanical engineer, but looking at the way the 200A alternator is attached to the driver side cylinder head (I am talking about the 6.5L, but maybe it's the same on the 6.2L), it doesn't feel right. Statically...

As I posted in another thread, one of the geared hubs drain plugs was stuck, the Allen key bent so much, I thought it will snap (it felt like 100 ft lb or even more). And with each pull, the drain plug head had more play...not good. I put some penetrating oil, but the whole thing is upside...

As I pulled the tires to rebuild them due to a vibration around 70mph, I decided to also change the geared hub oil. When I opened the 1” fill plug, a lot of oil started to pour out and ended up being about 30-40% more than the specified 1/2 quart. In the picture the cups are 528ml (0.55 quart)...

I left the spare tire outside for a few weeks when it happened to rain…and now several bolts have what appears to be some surface rust: What would be the best way to remove the rust without affecting the threads? Brass brush wheel? (with actual brass wire, not just brass covered steel?). And...

Hi, I picked up in April a 2009 6.5TD M1165A1 with about 7,000 miles on it (I am very excited about it and feel it is a retired hero who needs to be taking good care of) from GovPlanet and I have been battling a starting issue for a while. It has a hard time starting and it eventually starts...