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Rears are hotter than fronts - which is it? Have you done a hub and wheel bearing service? Checked the oil levels in the front hubs and rear differential (and front for that matter)?

Year and model?

Yeah not the greatest approach but that is literally what the military would do. Have some grunts clean the wheel speed sensors because in their experience it's the most common issue and often corrects the problem (ABS MIL). So for someone that has no capability to talk to the computer it's at...

When all the LED stuff from China runs on 10-30v, the DPA3/4 and the CAT computer don't care about the voltage it's kind of inexcusable for any product that connects to this interface and may encounter anything between 10v and 30v to not handle this gracefully. Even on a 12v vehicle you can see...

Hard to tell from those pictures. The actuators can definitely be interfered with from what I recall. I routed my air lines through that mess on the bench before I installed the whole console into the truck so I could ensure they didn't interfere with any of their operation.

This has recalled to my mind a torque "unfortunate mishap" occurrence to which I was party. While "training" in the rebuild process of a rotary screw compressor "air end" assembly, we came to about an M8 socket head cap screw with a very specific torque value as it was THE bolt that held the...

Also worth mentioning that all that stuff is just standard Caterpillar C7 torque values and the TM is just a (lowest bidder) reinterpretation of the Caterpillar manual specifications. And it goes without saying I think that all the threads need to be clean and undamaged, the bolts all in the...

Surprisingly common on military trailers - especially water buffalo's. Hard to tell the smoke from the dust with the parking brake not being released when you're moving out down a dry dirt/gravel road...... I wouldn't know anything about that though. 🙄

Didn't like my answer eh? The TM instructions are difficult to decipher because the item numbers and illustrations don't coordinate well. The TM also provides essentially the same torque chart I suggested (which all originate from the machinists handbook). Here's the chart from the TM itself...

The gen 2 HVAC box is all servo controlled. Make sure none of the air lines from the emergency/park brake control are interfering with the operation of the servos immediately under it.

Looks like probably rear main to me. Oil being flung around the bell-housing by the flywheel, wicking it's way through the breather fitting, etc. Clean everything with brake cleaner and add UV dye to the oil. Get an inspection camera and pull the starter out so you can look in there. But...

Not true. The C7 trucks will hit 62-63 mph wound out. And depending on how the tire roundness and balance stacks up on each truck and tire pressure you can have pretty aggressive tire behavioral problems at about 45+ mph.

I haven't had this locking up behavior.... I did used to get the pop of the brakes releasing when leaving the driveway but over time that seems to have gone away. We do get plenty of rain here in Oregon so.... not sure on that. On my big list of stuff to do is rebuild/change all the brake...

:oops: Hopefully that was one of the 2008 tires. No great loss if that's the case. Glad you didn't get halfway to the doctor before you noticed. Imagine if you had the 370 HP tune...... :ROFLMAO:

I haven't looked for the links themselves - if you need boots that's easy: https://www.steelsoldiers.com/threads/tie-rod-and-drag-link-dust-boot-part-number-and-links.206375/ My truck had 6k miles on it when I changed the boots out (disintegrated) but the links themselves were in pristine...

It's not really a big deal - @Lostchain pulls his M1082 with ECO hubs and has no issues. It makes sense when you think about it - for a given road speed the engine RPM's are half what they used to be with the reduction hubs so slowing down airflow through the engine with a cork in the exhaust is...

My original 2008 tires were perfectly smooth after 6 months of driving on them (including the 2800 miles home - it still took 6 months for them to "round out" and be really smooth). Then had a blow out on the front. My 2021 tires are getting better the more I drive them. Sitting doesn't help the...

The PAC brake isn't nearly as effective with the ECO hubs as it was before. It helps but not nearly as much as the transmission downshifting. The FMTV PAC Brake does have a tendency to seize up - mine did at one point and I had to remove it and "service" it aggressively in my bench vise quite a...

The AC compressor runs on it's own V belt and there's two different lengths of AC compressor belts used depending on the type of tensioner.... https://www.psmagazine.army.mil/News/Article/2847381/fmtv-old-ac-tensioner-system-not-in-tm/

That is also one of the bolts that holds the air compressor and power steering pump - which is the most common source of cracked timing cases when the bracket bolts that hold the hydraulic (power steering) pump get loose and allow the compressor and the pump to hang unsupported from the timing...