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I have been thinking about putting a turbo on my 1984 M1008. I was wondering if this has caused any new problems to arise for anyone, after they installed a turbo on a 20 something year old motor? I know my motor has been rebuilt at some point, just not sure the exact date. There is a rebuild...

I used a quarter inch drive ratchet, a 6 inch extension, and a universal joint to loosen mine. It's hard to get to, but it worked.

Thanks for the recommendation. I'll check it out.

I have to replace my transmission anyway, the th400 is shot. I figured I might as well go with an OD transmission

Does anyone know any good transmission shops in or around Chattanooga, TN? The th400 has gone out in my M1008 and i want to put a 700r4 in it.

I have adjusted the Modulator already. I also put the old modulator back on and it didn't change anything

Also, this all started after I changed my modulator. I look into the detent solenoid

Does anyone know what would cause my 1984 M1008 to start out in third gear from a stop?

I haven't checked the vacuum everywhere, because I adjusted the vacuum regulator and it made a big difference. It shIfts smoother now, but still late.

I'm going to try to change the fluid first, because it's dirty. If that does not fix it, I will buy a vacuum gauge. I just don't understand how every thing worked pretty well, then I changed the modulator and all this started....

I have already tried to adjust tha vacuum regulator and the modulator

It is shifting from 1st to 2nd around 30mph. I also did not have any real problem until I decided to change my modulator a few weeks ago, because it was shifting a little hard. After I changed it the truck drove great for about an hour then it started shifting late.

I am also going to change the fluid one day this week to see if that helps, but I was just wondering if anyone knew what else it could be?

I have an 84 M1008 that is shifting out of first gear very late. I have replaced the modulator and adjusted the vacuum regulator. I also replaced all the hoses going between these. Does anyone know what else would cause the truck to wind first gear all the way out before it shifts?

I assume it is the inner hub seal aka the oil seal, I have differential fluid coming out of the bottom of my brake drum. I'm going to try to change out my fluid first and change my vent line. I had this same problem about a year ago. i had the seal changed but it still leaked because the vent...

Does anyone know where to find instructions on how to change the rear axle seal on an M1008? I have looked through the TMs and can not find how to do just the axle seal...

I ended up having to adjust my vacuum regulator and my new modulator. Now everything is working correctly and shifting like it should

a little less than a month ago I changed my fluid and filter

I have checked it all

I still have a modulator on the truck, I bypassed the vacuum regulator on the side of the injection pump...