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As a point of reference my 2008 A1R transmission serial number is 6510807894. The final part number change occurred at 6511014364 so it's safe to assume that basically none of the civilian trucks have the latest composite thrust washer and being the first change was in 2007 and they don't even...

Interesting! Glad I have the high pinion 4x4. I had not noted the correlation of the 4x4 low pinion rear with failure reports. I'll have to watch for that on any future reports I see. And yeah the driveshaft angle thing is an unfortunate design flaw. Still - the ECO hub should improve the...

Yeah - what he said 👆 The most common issue with these is the C6 thrust bearing in the transfer case. When they fail they shotgun needle bearings through the trans and they end up in that scavenge line among other places. The updated part from Allison is a solid plastic bushing in place of the...

76 to 94 Ft/lbs

It's torque that is the limiting factor for transmissions - HP is a measure of work performed over time - torque breaks things directly while HP wears things out. And the 3700SP is rated for 860 Ft/lbs but according to people that have spoken with Allison this is a VERY safe "guideline" and they...

The M-ATV turbo is water cooled. To prevent oil coking. Mind you this was on a 25k lb MRAP running in the middle east and was not running quality synthetic oil. That is the only difference between the 330 and the 370 tune. There is apparently no concern with EGT's other than as related to oil...

Not sure about what MME has - wouldn't give them money if I was dying of thirst next to their lemonade stand. Is it not the same as the factory style that is braced off the engine mount? Tom sells compressor kits with brackets: https://www.lmtvtrucks.com/AC/index.html *edit* - looked at their...

It's not snow that is so much the problem - if it's significantly below freezing then the dew point is so low that the air can't hold (much) moisture anyway. Wet clothes and gear and dogs will fog the windows - this is worst in the 40-50 degree ambient range with very moist air (raining for days...

Ron is correct - have you pumped it A LOT? Like for 10+ minutes as fast as you can manage? It can take a WHILE if you don't have have the AOP working and air has got in the system from it being run dry.

Not sure exactly what they mean by that. The overhaul/seal kit is about $200 from Parker. Did it work before or after they did this "reseal"?

The air operated pump probably needs to be rebuilt - there's a yellowish colored seal inside them that disintegrates into a whole bunch of little yellow bits and then clogs up everything. They aren't terribly hard to rebuild but it does require some patience and careful attention to detail.

Yeah if there is algorithmic level programming available it should be trivial to update and hold the last pressure reading anytime the reading jumps above 5 psi. Just watch it on the back end and when it sees the reading go high capture that number and display it till the next reading takes...

Since the A0 doesn't have a J1939 bus at all I would *assume* it would work without issue. The only issue with them on the A1 trucks is they burn out the J1939 termination resistors if you don't pull the pins out of them. Not having those pins doesn't affect their operation though - seems that...

Yes. MIL-PRF-5606H. https://shop.boeing.com/aviation-supply/p/756-1QT=2U

You fill through the dipstick hole. Get one gallon that will be more than sufficient.

Also the fuel lines on these are known to rot out and leak. My 2008 already had a leaking hose and the others were BAD with dry rotting and cracks. The outer rubber just falls off in chunks. Run your hand over them and if it comes off looking like black coal dust the lines are shot. Sometimes...

There's a dipstick that unscrews from the air operated pump right on top. The suspension cylinders often leak also. I've seen that quite often.

The MOST COMMON reason for nothing happening is that the system is low on fluid. Check the fluid level. Make sure you only use MIL-PRF-5606 in the system. They *can* operate on regular ATF if completely flushed but you need a system that's trying to work to do that.

900 series A2 trucks had an early version of CTIS. The MTV replaced the 900 series 5 ton. M939A2's had CTIS and it was a real pain in the neck. Often disabled. The wheel o-rings didn't stay in place and they always had flat tires. I wouldn't pay more than $250 but I'm willing to wait for the...

Actually any of the FMTV CTIS controllers will work - green or black. The bus is only used *if* you want to hookup the Dana software and they all have J1708 so any of them will work in that regard. If you want to use a 900 series truck controller you can - just have to pull the pins out of the...