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You probably have a leak on the line between the T fitting at the transmission and the rear dump valve. The front axle QR valve(beside transmission) is also probably dumping, just not as loudly... Since the controller cycles rapidly it is hard to track leaks. Either jumping the plug for...

I doubt this was much of a challenge for allison beyond the fact that they probably realized that they put a short thrust bearing in a tall cavity... Babbet and composite thrust washers are common in automatic transmissions to position planetary gear assemblies. The new one is nearly 3 times as...

Relays clicking usually means current flow/voltage fluctuating issues. CB67 feeds all over the place via TB1. a prime place to look for marker issues however is where the wires pass into the doors to drive the door marker lights. common place to chafe and short to the chassis when the plastic...

What Superman said, move the wheel... Beyond that, confirming proper toe-in is easy with some string and a measuring device...

I did two request for quote today, the one from excaliber came back today $380… that first one was thru the allison western region rep supplied out of portland…

$150, cool, order me one will ya. Since they replaced what looked like ~1/8-3/16" thick roller thrust bearing unit with a ~ 1/4-5/16" composite washer(4.9mm >3/16" thicker than original part), i am thinking the only real critical tolerance is going to be the diameter. Need a temperature and...

It is probably some form of LC(inductor-capacitor) or RC(resistor-capacitor) filter circuit to direct the expected motor brush noise to ground instead of exciting the wiring like an antenna. i believe it was to lower the electromagnetic signature. I found another RC filter in the A0 Vehicle...

yep, those P6 assemblies should come right off without that crossmember. i got a quote from Allison for $430 for that composite washer. At that price I am tempted to engineer and machine my own...

F=MA… Oops wrong formula:) PSI X piston surface area = force… You have to build enough pressure to lift the cab, ~ 1500PSI to be exact for a typical cab. Your pumps are obviously having issues doing that, or fluid is leaking from supply to return preventing full pressure Buildup. so as...

I have witnessed a M9 lost in service(stripped out of a holster by an obstruction while boarding a vessel). yes, even with 4 eye witnesses it was a PITA... Have you tried thumping on things with a rubber mallet? That can sometimes induce the loose object to make some noise while stationary...

two thumbs up... or you can add a plug to that test light and add a 50w halogen fog light(4A@12V) as a load...:) I have an old 100W aircraft light i keep around for 24v testing(same 4A@24v)... They added a few EMI circuits on these trucks. look at the heater blower, windshield wiper and...

It is probably A M9 some troop hid in the void space rattling around.

I did it. I put in an Isspro dual needle mechanical air gauge(one red, one white needle). The transducers are also the low pressure switches so you will need 2ea 1/8" NPT "T" fittings, two haldex 66PSI low brake air pressure switches and some poly oil pressure gauge install kits.(2ea 1/8NPT to...

Well like I said above, what turns on or doesn't turn on with the ign on, when it wont start should point you right toward the issue... oil idiot light: yes or no k26: yes or no k11: yes or no

Do you get an oil pressure idiot light when you turn on the ign? K26 and K11 both must energize when you turn on the ign in order to enable the start pushbutton as K11 provides the power to the button when it is energized. K26 is controlled by the transmission neutral start signal. It...

Wow, thats terrible!

yea, I am tempted to build a maintenance trench in its normal parking spot. Its too far from the ground creeper to up in between the frame rails:) I saw an elevating creeper used by aircraft owners, but was a little too rich for my tastes and I will probably not ever have a pad or shop large...

Yea you could have a perfect oil filter and cooler assembly, but a HEUI pump failure is probably going to wipe the injectors also… our main oil system actually has 2 bypasses in it. One pre-cooler, the other pre-filter..

And you did a fantastic job! :)

Maybe the heat tolerance of the cooler portion was a controlling factor in the decisions made...