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Hemtt transmission started acting funny today. First noticed shift points are higher than the TMs suggested rpm of 2100. Mine shifts about 2200-2250. Second I noticed that the tcc would lockup then immediately disengage. On light throttle it will work normally but go up a hill and it will...

cant for the life of me find anything in the TMs as far as air line diagrams. ive got a truck that someone started to replace the cab and didnt label which line goes where. the lines are stamped with numbers but the ports arent. thanks

Sooooooooo here it is...... tires aired up to 60psi to start with. i turn ignition on, truck builds to 120, runs pressure check, then gives me 4 flashing lights and the Left Front Tire bleeds off through the front vent down to about 35 psi. i have more than one issue but the issue im trying to...

So had an alternator fail on a m934a2 and replaced it with a used unit. first time i fired it up was fine but realized i had left the small gauge wire unplugged so of course it didn't charge. shut off truck and plugged it in and when i went to crank it the starter would bump the engine and then...

Just got this 8.3 6cta back together. As I went to drive it around the block it seemed to run great. Made one lap and began having poor low rpm performance. Very very slow off the line until you reach 1700 rpm. Also getting a turbo chirping noise under boost. I'm not sure what's normal and...

Pulled cylinder head thinking it was cracked. Found that number 3 sleeve is badly cracked and it appears to have cracks in the block around the sleeve. Need advice on if block is usable once resleeved. Will attach pics thanks. 8.3 6cta Small cracks around two of the bolt holes.

so ive got a new to me truck that needs the turbo compressor wheel and injectors replaced. should i just go back stock or go ahead and upgrade while im there. thanks M934A2 with 8.3

ive got a m934A2 that should be showing up this weekend. ill know more details this afternoon. the issue is that i need assistance/advice on removing this truck off a semi trailer. it was loaded using a crane and has damaged air system and flat tires. Not sure how to roll it since i cant feed it...

I have a new to me M998 that shifts entirely too early. im in 3rd at 15mph. My first thought is to check the modulator and vacuum source however it looks like the vacuum hose is made onto the modulator. anyways hoping for some thoughts. thanks

Just curious how long everyone has had to wait on their EUC to come back after submission.

The air pressure release on the dryer is stuck open and won't let me build air pressure. Anything I can do? Thanks M923

So I'm trying to check my voltage at the output terminals. Either I'm not operating this correctly or I have no output. I went through the operators TM and looks like if got everything setup. Example: 120/208v position on reconnection switch, L3-N on am-vm switch, and volt meter on L3 and North...

I'm looking for some insight into mounting a MEP -803A which I am picking up tomorrow morning. Does anyone know if the side doors are able to open far enough for service work? I think they will clear the fenders but obviously not the sides. But if they open far enough to get into the unit or if...

Im guessing this is a fuel shut off solenoid issue but i didnt find any info concerning this problem. The truck will usually stay running for 1 sec up to about 2 minutes and then finally shut down. Im worried i wont be able to turn it off at all if i dont figure this out. Anyone out there with...

1985 M1010 after cold starts when using high idle at times will randomly rev itself up to an estimated 2600 rpm and hold there until high idle solenoid turns off. The other part of the time the high idle solenoid intermittently functions which I believe it just needs a new solenoid. My question...

What little Information I'm finding on axle vents seems to suggest that they are some sort of pressure release. Upon inspection they appear to be a primitive one way valve that wouldn't be very effective. Was thinking about relocating my vents to a higher location and wanted everyone else's...

Has anybody Seen or played with the Thought of 12R20 Goodyear G272's? Or is that even possible to put those on stock m293 dual wheels? Random thought maybe this has been touched and shot down already. thanks!

Looking for Wheeling Partners and Car Show Attenders! Ive gathered some interest from a few souls in going wheeling and got me thinking about soliciting anybody else in the Okie area interested in such events. If we can put together a local database of names and numbers we can keep each other...

Im sure there is a thread out there but i cant seem to locate it. At present my main question is the size of the hub bearing retainer nut? Im working on a 84 M923. What started out as a boot replacement turned into a seal job due to oil in the knuckle. Thanks

Does anyone have a list of Wheels/Tires that can be swapped onto a base m923? I found some 365/80R20 XZL Michelins but don't know if they'll bolt right up or even fit. thanks all