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I would agree with the above to replace the motor after you have cleaned the connections on both plug ins. However, you could remove the main connection and check for continuity with a tester guage with the wipers turned on at the column and the truck key turned on. If they check out, and your...

Got a new radiator put in after some persuasion and a few trips to autozone. I know its unorthodox, bit put in a cheap two core aluminum for a chevy big block race car. Had to adapt the hoses and the trans and oil cooler were on swapped sides. 100mi on interstate and temps are still fine! Got...

My CUCV m1008 has been having issues with low oil pressure. Engine is a gov rebuild sometime in the last 20k miles. The low oil pressure is leading to periodic lifter issues and infrequent noises from a passenger side rear valve. Cold pressure at idle, oil about 55 degrees, is 12 psi with a...

My CUCV m1008 has been having issues with low oil pressure. Engine is a gov rebuild sometime in the last 20k miles. The low oil pressure is leading to periodic lifter issues and infrequent noises from a passenger side rear valve. Cold pressure at idle, oil about 55 degrees, is 12 psi with a...

Its a 1984 m1008. Ive put 2 gallons in it, drove 75 miles, and could only put 2 gallons into it... if my tank if full then great! but i don't think it is... I can rock the truck back and for and hear a little bit of fuel sloshing around. When I take the filler neck off fuel comes out of the...

I have filled avoiding the foam aw well... I even went and got a 2 gallon gas can to pour it in. I know I have less than 2 gallons in my tank and even with the gas can one gallon is all I can get into it before it backs up with no foam at all....

Been driving my cucv around as a DD and having a good time fixing something everday :deadhorse:. Ive been putting this off because I never drive far but am tired of only having a couple gallons of diesel at a time. At first I could fill my tank to full, but after a little time the fuel would...

Alrighty, I recieved my Hughes racing auto/manual performance valve body kit today. It came with everything I needed to install it. One thing in the kit was a spring for I think was the pressure regulator valve. (Its located and recessed by the gear selector assembly.) It was very hard to reach...

Ok, finally got around to it. Like Porkchop said, it does not shift into third. i replaced the whole vacuum assembly, pump, modulaor etc and that did not do the trick. It shifted from 1-2 smoother though! :grd: Dropped the pan and there were only very fine shavings like sand which was very...

Looking at swapping in a new tranny, I don't have time or accommodations at the moment to rebuild I have a parking spot haha Where in the TM's can I find information on input and output shaft specs torque protocols? I think output is 32 spline, are most th400 out of a 4x4 like this? what are...

Yea kind of a bummer but could be a fun challenge. Thank you all for the input and help, I have definitely learned a lot. Ill update this post with what I do from here!

someone mentioned a misadjusted vacuum valve/regulator could be the culprit, it doent appear that mine can be adjusted. I have adjusted the modulator in and out with no results either than a later 1->2 shift.

Ok, govenor is fine clean and moves freely and end gear is in good shape... I have vacuum to the modulator o-ring is good. Cleaned the pin and it easily moves as well. Can I bypass the vacuum regulator to see if it will shift into third? or is there no hope in trying that? Now I am at a...

Ok i will get that smoothed out and clean. Is there a chance the vacuum regulator is bad? Mine only has one bolt mounting it to the ip.

NDT you're right the pin is in there i was able to pull it out with soft nose needle pliers. When it came out it seemed pretty firmly placed, putting it back in was the same. It wasn't stuck per say but if i picked the whole truck and shook it on its side it wouldn't have fallen out haha Is this...

Ok... replaced vacuum lines and made sure vacuum pum is making vacuum. I pulled the modulator and found transmission fluid in it that then dripped out not sure if it is supposed to do this... also in other posts people mention a retaining pin that should be loose in the modulator. I found no...

Alrighty, picked up the truck today. All fluid levels are good and the cap is tight on the dipstick. Ill start going through starting with the vacuum assembly tomorrow. Does anyone know around what speeds the transmission should be shifting with stock gearing? thanks.

I wasn't aware that the diesel 6.2L even ran a vacuum line. Ill definitely put that on the list to check out thanks.

Ok awesome, thanks for the help.

Is the control body the valve body? Just to make sure I know what you are talking about. Would an additive be able to free it up?