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Bad pinion angle...DAMAGE????

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Old Dec 11, 2007 | 12:44 PM
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Default Bad pinion angle...DAMAGE????

i had an adjustable chassis mounted torque arm installed and the dumbass didnt adjust the pinion angle. it looks to be pointin up (in the positives) a good amount. i took it to the track and now the gears are loud as ****, there is a grinding noise, and it sounds like the driveshaft is slopping around. could there be possible pinion bearing damage or offsetting the gears or w/e?
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Old Dec 11, 2007 | 02:17 PM
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Very possible the pinion bearings are shot and maybe the gears. That thing should have vibrated like hell if its as bad as you claim.
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Old Dec 11, 2007 | 03:22 PM
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Bearings are toast. Ring & Pinion is questionable. You will not be able to tell until you open it up. Let me know if you need any parts or have any questions.

Jeff
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Old Dec 11, 2007 | 04:09 PM
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eh...didnt check mine either, couldnt see the damn gauge, from either side!...but ive only been street driving mine, but mine looks slightly angled down. Sorry to hear about yours though.
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Old Dec 13, 2007 | 10:28 AM
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im gonna get the pinion angle corrected then take it from there. theres so much noise between the tranny and the rear i cant tell whats what, i guess i just gotta fix one thing at a time
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Old Dec 13, 2007 | 04:25 PM
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I went with a Tunnel mount too, Cant tell if im picking up the little gear noise i have from that, or if its the rear end its self.
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Old Dec 13, 2007 | 06:26 PM
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i picked up rear noise with a tunnel mount TA and pinion change. it's frightening.
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Old Dec 14, 2007 | 04:26 AM
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We normally adjust the pinion angle to -2 with the vehicle on our drive on lift, and it is critical that the pinion angle is not too far out of range. Bob
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Old Dec 14, 2007 | 12:43 PM
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could it damage anything else besides the pinion bearing and gears? like the u-joint, tranny bearings, driveshaft, ect?????
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Old Dec 14, 2007 | 11:20 PM
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First, you cant tell your pinion angle by looking at it. pinion angle does not mean pointing up or down. Your pinion angle is in direct relation to you driveshaft angle. If your d/s angle is pointing down towards rear then your pinion should point up slightly. Picture a lifted 4wd with an extreme d/s angle the rearend pinion should point up almost as much as the d/s angle is down. 1 or 2 degree down is recomended. You really must use an angle finder for accuracy.
Doug
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Old Dec 17, 2007 | 09:14 PM
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There is a really slick pinion angle finder from Power House Products. I paid around $75.00 from Motorstate, (Lane Automotive), in Michigan. It works good.
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