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i have been searching and reading related posts however I haven't found the right match. On my '91 EB which has been converted to 134 I've noticed the AC starting to get warm. From the various posts on the forum I purchased the Autozone 134 can and attached pressure gauge. I put the gauge on...

On my '91 EB, how can I change the Intermediate Servo Piston without taking down the catalytic converter and exhaust?? Trying to eliminate the high-rev(4000-4500) 1st to 2nd gear shift problem when the truck is cold or has sat for awhile.

A year after tranny rebuild on '91 automatic 4X4 tranny I had a hard failure. The shops been great and has it back on the road for no-charge but I've been back 6 times over the last few months due to high 4000s RPMs on shift from 1st to 2nd whenever the truck has sat for a few hours...and it's...

With the Shift Motor removed from the transfer case and the truck in neutral I am only able to move the shaft from 2W and 4Hi but I can't get it to go up to the top setting of 4Lo. It will move counter clockwise up to the 4Lo area but springs back and won't stay. In my testing I've noticed...

My '91 EB pushbutton 4WD stopped working. No relay sounds in back, the shift controller module tests don't even light the red bulb. I removed, cleaned and tested the shift motor on the orange and yellow wire/pins and it seems to be working. Pulled a junker's shift module to try it and it also...

My '91 with 130000 miles has begun to sound like a diesel. Not just on start-up but all the time. The belt looks fine and with tension from my screwdriver handle I can't affect the diesel noise so I'm thinking it is not the belt. With the hood up it sounds like it is mid-to-rear engine but...

1991 X with 120K miles, new (rebuilt) automatic tranny maybe 40k miles ago....fine on start-up but when shift while sitting in the driveway with foot on brake into reverse, or drive (not in neutral) I hear a loud whirring/winding sound (almost like when you pull start an old mower and it doesn't...

While in the driveway testing why the AC has recently been causing the temp guage to reach near hot, a loud straining sound, smoke and a light oil bellows from behind the AC compressor at very high pressure. Almost appears the smoke/mist/noise is coming from some type of valve attached to where...