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You might carefully check the air solenoid that controls the fan. It dumps air to engage the fan. Mine appeared to work fine on the bench but when put under load in the truck it failed to vent the air between it and the fan clutch. It was very intermittent in the beginning. There was no...

Yes, just not ready for a 950 mile drive

Have LMTV trailer to come from Bragg to Casper, WY. Time is not critical. It is off base at Henry Truck.

Have M934A2 5 ton expansible van in Tulsa area that needs transport to Casper, WY. Time is not critical.

I found the attached images of a MAN truck that looks like it could have been in the lineage of the LMTV. This is a 1987 unit so it pre-dates our LMTV's. Apparently there was a lot of concept sharing between the european armies or they are very good at stealing other designs. Didnt realize...

As an aside, my 1998 LMTV has Steyr glass in it.

An easy test for the function of the solenoid only is to start the truck, let it run and wait for the fan to disengage when air pressure builds to normal. If you then shut the truck off, which kills power to the solenoid, you should immediately hear the solenoid vent the air that is in the line...

OOO Kaay_ Dismantled fan clutch solenoid for the third time. This time I put a tiny bit of 30 weight motor oil on the rubber pads that seat on the cones at each end of the solenoid. Magically, the solenoid is now operating as advertised. A good friend once told me that EVERYTHING works...

Had weep hole drip develop in the LMTV waterpump so changed it out Saturday morning. Purchased a Cat remanufactured pump and proceeded with the install. Cat pumps come with all of the boss type tubing fittings as well as plugs installed so things went fairly well. Pumped antifreeze back in...

Dont think it will matter in this situation. No power is applied to the solenoid when it engages the fan clutch. The solenoid is normally powered up to pass air to the clutch to keep it from engaging. This problem is occurring when the solenoid is powered down. It is a block and bleed...

Spent the afternoon troubleshooting why the fan clutch does not engage at proper temp. Clutch is working as advertised when air is removed. When power is removed from quick exhaust solenoid it does not exhaust air in the clutch circuit to allow the clutch to engage. Dismantled solenoid and...

I have the exact same overheating issue on my unit. My overtemp light comes on at 230 on the gauge. I do not hear the fan come on when the heat rises, however. Fan clutch engages when the air is removed as it should. The solenoid that controls the air is working as it should. However, there...

Reuse is good! If the hoist is not located very close to the pump panel it could be a challenge to control and place the load safely. If you tee'd into the air circuit that powers the aux hydraulic pump you could turn the pump on easily but not reverse the hydraulic flow. It might also be...

Recently acquired my first LMTV. Looking at the possibility of removing all of the hydraulics and air system connected to the suspension compression system to improve reliability and remove a little of the complexity. Dont think I will ever use any of the suspension capability since I recently...

I will second Bikeman on the lights. Mine only had one working light and it was the hi beam. Pretty stinkin dark that evening!

I recently roaded my LMTV and a M931A2 from Colorado Springs to Casper, WY. Probably, the brake shoes will not be as big of a concern (unless really high mileage) as some of the air brake system components, especially some the inverter relays and check valves that have rubber seals / diaphragms...

Ok, checked fan operation out today. Looks to be operating as specified as far as the clutch itself. Engages and disengages as it should when I remove air and reconnect. Must have another issue so I will have to investigate further. Got sidetracked today troubleshooting the cab...

Absolutely, Positively will have to have one of these. Much to OLD to dog the heavy stuff 5' high into the bed.

HHHMM.... Just roaded my LMTV home about 275 miles yesterday. It tried to overheat when I climbed long hills or when I consistently held the speed above 56 MPH. Had to slow down to 50 to keep the temp under control. I never did hear any distinctive fan noise so my fan clutch may be stuck...

Did this firm up yet?