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Have a Slantback with Mile Marker hydraulic winch. For the last month after vehicle has warmed up to approx 170 degrees and before the fan clutch engages; you can hear a distinctive chirping sound coming form either (I think) the mile marker solenoid or the fan clutch solenoid. Don't know if the...

Wheel hop very bad left side

Just got in from the mud exam, New Transfer Case worked well in H/L and L. had some whinning in L. The winch is mounted on the front.

No, the original vendor doing the work didn't put the fluids in. The OMS shop where I live has been doing the work on my other HMMWV and have it 100% mission capable. When the HMMWV in question, the one I'm having problems with came in, there was dexron fluid on the bed of the truck. We pulled...

Thanks, Retiredwarhorses, Believe it or not it is a new 218 which was still coated in cosmoline. The group I have working on the vehicle now are active duty (OMS technicians) moon lighting on the side in the evenings. We know the original T-Case was test driven DRY (15 miles by their own...

Had things checked from underneath. Found the brakes sticking. Rotors and brake shoes are new. If I lift the brake pedal with my foot the brakes will free up. The maintenance team feel that I need to get in some mud and try and break the new Transfer case in. Does anyone have any ideas on why...

Early versions of the HMMWV had the 2.56 ratio. One of my old Motor Sargent's said the trucks were to run the autobahn, however, with the 3L80 if you're looking for that additional 10-15mph need the NP242 and the 4L80E transmission. Will be checking to night the rear differential to see if...

Having a bit of a nightmare with a HMMWV project. Had a company restoring my M998. Apparently when the HMMWV was test driven there was no oil in the transfer case (218 NP) Tried to test drive after adding oil and there were so many growling noises had to put the vehicle on a lift and begin to...

Thanks for the info, do you know if the transmissions have the same transfer cases?

Recently purchased a 1987 two man M998. Found a yellow tag 6.2L CUCV engine and a 4L80E transmission. It is my understanding, the CUCV 6.2L can be converted to fit the HMMWV by changing the exhaust manifold, 24V injector Shutoff and tach drive. If there is any additional items I need for the...

Good afternoon Carnac M998/2008 VIN: 003669 Registration Number: NG535708 NSN: 2320011077155 Purchased Gov Planet: Letter Kenny Army Depot Over Hauled: WVRSMS 0408 MWO Applied: 92320280352 0408 92320280201 0408 No Bumper numbers, removed as part of DEMIL My Location: Hartsville...

Live in Hartsville South Carolina and just purchased a 2008 M998 through GovPlanet. Govplanet cannot issue the SF97. Want to get tags for the vehicled USAA has already insured it. Since you live in SC do you have any recommendations. Thanks for your input. Julian King