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Actually you want restriction if any on the outlet/vent port, and personally I don’t think it needs it. Remember the fan works inverse. It applies air to release the clutch. Like driving a manual, you want to release the clutch quickly by stepping quickly on the pedal(applying air). And you...

Yea thats actually not a bad place for it…

I got on for the lugs as well. Works great, but it is a 1” drive and I didnt have a 1”drive socket that fit the hucks or a 1”-1/2” adapter…

I was going to try that up in the lift structure frame, but I didn't have the adapter/socket combination I needed to employ my multiplier. I did find, since it was dam difficult to cut them all off perpendicular in that lift channel, that any cut down thru the outer collar loosened its grip on...

We shouldn't even call them bolts. Huck rivets would be more appropriate IMO…:)

Either this guide is to push/pull the cable to a certain position to get it to clear an obstruction, or it is there to keep it from sagging. At any rate, I would try and position it so it keeps the cable as close as possible to its tensioned line of travel. If it is pushing the cable out of...

Park brake works in reverse. A capped emer glad-hand can keep you from setting the park brake, not releasing it. You could have a leak or a anti-compounding valve issue. Or a rusted brake shoe… The proper way to delete the front glad-hands is to bypass/remove the 3 two-way valves under the...

They may be for dump bed…

Yea the plugs he is referring to are under/behind the instrument panel. If you loosen the knob and raise/tilt the steering wheel as far up and back as it will go, you should be able to remove all the panel bolts and raise the top enough to access the wiring harness. You are looking for some...

The purge valve in the center of the truck beside the transmission is for the front axle. it will drain any air leaked from the wheel valves. i suspect you have already fixed this, as this sounds like another issue I commented on over on the FB group. A restriction in the line, in this case...

Oh ye Yes, Christians arduino based controller should work on any truck, same as the manual approach, as the original controllers used the same PCU control and pressure sensor pinouts on that cannon plug H is 28V, F is ground. R, B & C(to F) are the 3 solenoids. b,c & j are the PCU pressure...

Well from the A1 schematic, it shows 3 possible power feeds(H,M & Z). With 3 feed points, you could control up to 7 different program responses/configurations. If they kept pin H as a constant, as it seems to be shown as connected in all the info I have, you could switch between 4 different...

No LED on the regulator means it isnt being told to come online(or broke). With the cab up and engine running, do you have 24v on the 24v alt output terminal? if so you can use a jumper wire to apply 24v from the 24v terminal to the EXC screw terminal on the regulator. The exc terminal is the...

I will look back thru my notes when I get home.

I believe they all use the same connector, i think the difference lies in which pin in the connector receives power, which determines how the controller is supposed to behave. Had this discussion a long while back with someone and we discovered different power on different pins…

Yea forcing it to relearn shift points is a good idea. It is also good to first confirm the TPS is functional and the throttle cables on the 3116 properly move the governor between the idle stop and the full throttle stop with throttle pedal application.

They might be to feed a winch control panel, but they are usually in the center dash…

Yea pneumatic would be cool, you might need a bypass to release/lower the steps when the tanks are empty. As mentioned, you would need to be carefull about design and tire clearance when raising the cab. I had thought about fold-ups using a gas strut, so they automatically retract when you...

The chain ones look interesting, i recall a vid of a truck using them in africa. Looked like they worked well and didn't hang up on the tires when lowering the cab(might be how your cables got damaged). The stub on the end of the cable usually hangs up on the tread and folds back and bends as...

I think they call it a seal guide on that Meritor sheet. They are the 24 and 25 parts shown on either side of the hub 26, in your drawing. It goes plain seal, outer CTIS seal, air gap(over the air port in the spindle) then inner CTIS seal and plain seal on the other side before you get to the...