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Start troubleshooting with the TM 9-2320-272-23-1 with WP 0093 (page 805 of the 1316 PDF from this site)

http://connection.ebscohost.com/c/articles/87555896/m939a2-series-5-ton-trucks-ctis-updates-highway-missions Newest settings are 90 psi for M936A2 wreckers and 70 PSI for all other M939A2 models As you can see from the attached PDF they also mention that 60 psi was the prior CTIS setting for...

First off. DO NOT manually "overfill" a tire(s) from the Hwy setting (usually around 60psi) as what happens the CTIS does a pressure check and see's tire(s) higher than needed and sends out the deflate signal the problem is it will also deflate the tire(s) that are/were at the correct...

I would suggest you take a civi commercial truck to do your CDL test in as the examiners won't know how to deal with the military trucks 99% of the time. And the pressures you are seeing are quite normal as the gauges are not calibrated but your examiner will fail you for having a truck that...

My bet is the Air Switch for the CTIS is broken (It is located on the wet tank usually next to the PPV) When the air switch is not working correctly the system will light but will not allow the PCU to open the inflate solenoid. Think of it like the PPV is for the wipers etc.

Follow the troubleshooting from Work Package #0059 from the TM 9-2320-272-23-1 which starts on page 607 of the PDF

A clunk can occur upon stopping and starting due to "axle wrap" thus causing the drive shaft to momentarily bind in the slip joint. Usually the fix is checking and fixing problems with suspension bushings, replacing worn leaf-springs etc.

Sounds like you have a bad switch then if you are not receiving voltage at the pump when pushing the switch. Also have you tried to operate the washer pump using jumper wires directly to power/batteries to confirm that the pump is capable of working?

There are known cases where tires have failed at below rated speeds by members of this site.

During my wife's (Beast) and my (Beast II) drive yesterday to and from Ogden UT for a car/truck show with both trucks we where most happily cruising along at 50-55 mph with a couple of spots where we did get up to 60 with both trucks capable of doing faster (Gov Springs & Fuel turned up) but we...

My wife and I drove the Beast and Beast II to Ogden for a basically the first car show of the season. We drove up early and had commercial tire do some tire rotating (between both trucks) along with fixing a bad wheel seal and loose turret valve in the same wheel. We finished up at just the...

Congrats on officially joining the big green iron addiction.

Then at 5 mpg your adding another 500 or so dollars to the fuel costs.. Glad I have been getting close to 8.5 mpg out of my M923A2 when cruising at around 50-55 mph on highway 89 from SLC to Ogden Utah but it will drop to 6.5-7 mpg when pushing 60mph and then down to 5 mpg at 65+ Very...

Red light doesn't degrade a persons night vision like "white" light does. Also red light can't be seen from as far away as White or other colors. However, combat medics have found that when treating casualties on the battle field at night using a red light makes it almost impossible to see...

Whew!! Glad you AND the truck are home safe

I would have gone with the 6K bid to have it trucked from one side of the country to the other (2900 miles) as that is about 2 bucks a mile and is a fair rate charge. Or even better bought one from Washington or another state closer... If it is truly road worthy your still looking at 1700...

Check the Fuel Pickup tube as it might have a hole/crack near the top or it might have completely dropped out of the fitting (My M925A2 did this last week). Ended up having to unhook the fuel line from the pickup fitting and placed the fuel line directly into the tank and then duct-taped it in...

Some refer to the original model as "A0" So for this model it would Officially be M934 M934A1 M934A2

Sorry but if he does not have adequate control with the artificial limb then he really needs to be in an Automatic transmission-ed vehicle for not only his safety but for the general public as well IMHO as I am not aware of any controls that could be used in a Deuce. ( I have a sister in law...

Hello and welcome from Utah