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I have an m1114 (sn 230xxx) that exhibits hard steering to the left only. Steering to the right is fine. Anytime I try to steer left, it feels like there's no power steering at all. This happens throughout the entire range of the wheels turning from lock to lock. The truck steers perfectly...

I have an m1114 that has a large, unfixable hole in the engine oil cooler. One a scale of 1 to 10, how dumb of an idea is it to just cap off the ports in the engine block and run without the cooler plumbed in? Anyone actually tried this? Could the cooling system keep up? The truck isn't...

This might be a big ask, but would someone be willing to post a picture of the setup they use to get at the lower injection pump mounting bolt on a turbo engine? I've been trying for hours with every combination of swivel/u-joint socket and extension that I've got, but can't quite get the socket...

I thought I'd post my experience in case it helps anyone else... M1114 with 6.5 turbo would run start and run just fine, but if I'd rev it up and quickly get out of the throttle, it'd die instantly. Never had any trouble or even hesitation restarting. If I'd rev it up but slowly get out of...

Hello all. I'm about to start a 400a to 200a alternator conversion on my 2006 m1165 (sn 241xxx). Through the homework I had done, I thought I had understood that the 200a would work with the existing 400a brackets/mounts/etc, and all I would need is a smaller diameter (7/16") long mounting bolt...

Well... I was load testing my new to me 803a today and everything was going great - had it loaded to about 85% of rated load and she was chugging along just fine for about 15 minutes. All of a sudden it jumped to about 100% load and the engine really started laboring. Within the 15-20 seconds...

I have a complete set of footwell armor (driver & passenger side, inner and outer plates, door reinforcements, etc), as well as a few other misc pieces I haven't found in the TM yet (armor behind the front AC, etc) from an m1114. Basically everything shown in these parts diagrams (minus the...

Hello all. I was given several pieces of what's shown in the attached pictures. I assumed it was something similar to pn 12340031, which is used to secure the leading edge of a soft top to the top of the windshield. The edge of the soft top slides perfectly into the channel on the part, but...

I see a lot of the turbo trucks with oil leaks where the turbo connects to the intake manifold. I'm not a diesel engine or turbo guru by any definition, but this seems to be way more common on these trucks than I would have guessed. What causes it? Is it indicative of a more serious problem...

I've seen some M1114's lately on GP missing the roof, doors, b/c pillars, etc. I believe most/all of these were originally probably slantbacks. Are there any challenges with putting a 4 man soft top and soft doors on these trucks? In addition to a b-pillar and maybe the windshield channel that...

I have a 2006 M1165, 6.5 turbo, 60mph speedo and a tachometer. My problem is that the tach rpm reading is wrong. The tach shows idle at 950rpm, but my handheld rpm meter shows 700rpm. And with the engine speed set and showing as 2000rpm on the tach, my handheld meter is reading 1500rpm. I...

Has anyone installed a jumpseat in an ECV with the new style AC (vent box between the rear seats). I have an M1165 coming next week and my first order of business is figuring out a way to add a 5th seat. My initial thought is to build a frame over the AC box and keep the seat as low as...

Hi guys. Brake/running light electrical gremlin issue for y'all to ponder on a 2004 M1123... With my light switch in STOP LIGHT position, I have no marker lights, brake lights, tail lights, turn signals or flashers. With my light switch in SER DRIVE position, all the lights turn on - marker...

Hi Folks, quick question... What is everyone running for trans fluid in the your 4 speeds? TM obviously calls for Dex3, but Dex6 is supposed to be backwards compatible and an acceptable replacement for (and improvement over) Dex3. Anyone have experience with the Dex6, or should I stick with...