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That's probably a valve adjustment, which is a fairly simple (few hour) thing to do. I'm not sure if it's in the TMs (probably), but if not is in the CAT manuals.

On the back brakes (only), there are springs that press on the back of the air plungers. When you turn "off" the parking brake, you are actually turn ON air to hold the springs back out of the way. The brake pedal then actuates the brake air plungers. If you lose air, there is no air to hold...

The seals are cheap. The gaskets are like $5 each, there's an o-ring in there for a couple bucks, etc. The CAT part numbers are all in the TM.

Just so we're clear, there is nothing special about the paint. It's just spraypaint. But it's CAT yellow, which is why it costs $20. If you don't care about that particular color, use whatever you want to prevent rust.

CAT dealer.

The water pumps come from CAT unpainted (for whatever stupid reason). So if someone replaced it previously, and was lazy, you'll have that. The can of CAT yellow paint is like $20... I had to buy it to paint mine (and then wait an extra day to install it until the paint dried). Yes, M8 sounds...

The backward facing part of my alternator mount had a cup worn in it from the roll pin / spacer on the rear ear of the alternator. I had it machined flat again, and I put a washer in between the alternator mount and the ear of the alternator to take up the space (not a big deal, since the roll...

I got my Tiger Tool, and removed the front shaft. Without doing anything, I took it into the driveline shop, and had them check it. They said both u-joints needed replaced, the u-joint cap holes in the yoke have been wallowed out enough that the caps are no longer press fit, and the shaft has...

My truck didn't shift too bad previously, when I broke the block and everything. It shifted hard, but just "standard LMTV hard", and mostly just that 2->3 or 3->2 big ratio jump. Now that I've switched engines it does seem to shift hard often, but I haven't figured that out yet. One suggestion...

Thanks, I'll check them.

Is there a process in the manuals for checking/setting the clocking? I know for a fact the driveshafts have been off, so this sounds like a great place to look. I didn't even know clocking them was a thing.

By noisy I was basically saying that this isn't like my modern daily commuting vehicle, which is quiet enough to hear every little mechanical change. These trucks are so loud you almost have to wear hearing protection, you have people here on SS installing sound insulation in and under the cab...

It broke all that stuff while keeping it in the 50-55MPH range, below totally floored, though it does happen when driving at higher constant speeds (for <20 miles). And no, it's not noticeable in the cab, at least through all the noise and vibration the truck generally generates.

It's worth a shot, but I doubt that's it. My LMTV is pretty pristine, almost amazingly so. No dents, no dings, nothing looks broken or replaced, etc. Then Pvt. Murphy comes a knockin', and everything that moves or turns needs to be destroyed. At this point it's getting super annoying, as I...

This is the exact same story that has happened to me. I cracked the water pump housing, then vibrated all the bolts out of it, broke the alternator off, broke the starter off, cracked the engine block, replaced the engine, broke alternator bracket bolts, and cracked a transmission line. After...