Slight vibration
#1
JK Freak
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Join Date: May 2007
Location: USof A
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Slight vibration
Hey all, I am experiencing a slight vibration when almost coasting, light acceleration at about 35 mph. I have a 4" lift and have set the rear pinion angle almost (by eye) in line with the drive shaft. I still have the stock driveshaft by the way. I was gonna get the aftermarket double cardin shaft when life threw me a curve ball. My question is, should I increase the angle or decrease it? I am restricted to pavement now since I gotta get my leaky basement fixed and the funds have got to go there.
#2
JK Freak
did the problem come some time after the lift or was it there right after the install? you may want to decrease you pinion angle to be equal to the angle at the t- case. when you get your double cardin shaft, go back to the setting your at now. inspect your stock shaft for damage and make plans on getting a new one.
#3
JK Jedi Master
I didn't think you had to change your pinion angle with the stock cv driveshaft, I have a 4in Superlift on a 4dr, didn't change mine, no vibes whatsoever.
#4
JK Jedi Master
You have a 2dr? I think by rotating your pinion more inline puts more of a bind on the stock drive shaft, someone correct me if I'm wrong. I don't think many 2drs are getting much life out of the stock shafts anyway on 4in lift.
#5
JK-Forum Founder
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Hey all, I am experiencing a slight vibration when almost coasting, light acceleration at about 35 mph. I have a 4" lift and have set the rear pinion angle almost (by eye) in line with the drive shaft. I still have the stock driveshaft by the way. I was gonna get the aftermarket double cardin shaft when life threw me a curve ball. My question is, should I increase the angle or decrease it? I am restricted to pavement now since I gotta get my leaky basement fixed and the funds have got to go there.