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I don't have a PDF. I first read about it on another forum. When my first replacement t-case arrived it came with an instruction to over fill by 1 quart. (Apparently the input bearing can be starved if you don't. Then the seal can go and eventually the trans fluid can pump into the t-case and...

Thanks Scotty . I had the local trans shop change diff and t-case fluids. It was obvious to them that the silicone from the viscous coupler had leaked into the t-case lube . In other words I was correct that I didn't have awd in certain situations (when the rear would spin). The viscous...

Thanks Slickey . This TC is basically the same as the earlier Astro with the viscous coupler, no electronics at all. The coupler can fail but usually does so by locking solid, basically putting you in 4wd.

Hi all. I have an Express AWD that sometimes doesn't seem to get any power to the front axle. I have seen it put power to the front on occasion but have also had the rear spinning with no activity up front at all, it seems intermittent. This happens at a dead stop say when the truck is...

Hey all - just picked up my 2008 Savana AWD after getting a new transfer case installed. It was blowing ATF out the vent tube which indicates a front seal failure that allows ATF from the tranny to overfill the t-case. Sometimes it is caused by the front bushing spinning in the case also (this...

Hey all , I've got a '91 LWB v6 auto with about 190k on it. It runs smooth, gets from 20mpg in easy conditions in the summer to 15 mpg towing a snowmobile trailer in the winter. Running 30 x 9.5 General at2's so a tiny bit larger than stock. We live in SW Montana in one of the windiest places...

So if I buy rebuilt heads do you have any recomendations ? Clearwater comes up often - seems the most $$$ ... Any others that folks have had good luck with ? What is it about these Gen I's that makes you try to keep them alive ?! Dan

Thanks for the replies - I'll take them under advisement. Dan

Hey all - My 89 Raider 3.0L V-6 with 140k miles , suffered a catastrophic overheat awhile back ( lost an old block heater plug that dropped all the coolant). Eventually it started using coolant so I pulled the heads. A local respected machinist resurfaced them (.0065 removed ) and found...