BAD VIBRATION I HAVE A 93 SIERRA 1500 EXT CAB ...

1993 GMC C1500

Tiny

lildirty4300

May, 1, 2012 AT 7:06 AM

Bad vibration I have a 93 sierra 1500 ext cab 2wd. It had a 4.3 v6 in it with the 700r tranny. I put a 350 4 bolt main and a turbo 400 tranny. Thing was working fine till I noticed a howling noise. I found out it was coming from the carrier bearing.

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5 Answers

Tiny

mhpautos

May, 1, 2012 AT 7:45 AM

Need more detailed info on vibration, where is it felt and under what driving conditions?

Tiny

lildirty4300

May, 1, 2012 AT 7:12 PM

It feels like its coming from the drive shaft when at take off and about 20miles per hr it gets worse and that is as fast as I drove it

Tiny

mhpautos

May, 1, 2012 AT 10:39 PM

Check uni's, check tail shaft alignment and also for any signs of damage on the shaft, start here.

Tiny

lildirty4300

May, 2, 2012 AT 1:41 AM

I figured it out. My slip yoke was bottoming out in my tranny so I moved the carrier bearing back some. And now now more vibration

Tiny

Jacobandnickolas

May, 2, 2012 AT 2:33 AM

Great!

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