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#1
04-29-2003, 05:32 PM
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I get a noise out of the rear end of the car when it's moving, is there a difference in gears made by chevy and BOP cars?
I have a 10 bolt rear, I know the gears have been changed to a lower gear, could that wrong make of gear cause the noise? is there any way of knowing the factory gear size? Thanks for any help. ------------------------------ <BLOCKQUOTE class="ip-ubbcode-quote"><font size="-1">quote:</font><HR>I have become comfortably numb.<HR></BLOCKQUOTE>
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#2
04-29-2003, 05:32 PM
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I get a noise out of the rear end of the car when it's moving, is there a difference in gears made by chevy and BOP cars?
I have a 10 bolt rear, I know the gears have been changed to a lower gear, could that wrong make of gear cause the noise? is there any way of knowing the factory gear size? Thanks for any help. ------------------------------ <BLOCKQUOTE class="ip-ubbcode-quote"><font size="-1">quote:</font><HR>I have become comfortably numb.<HR></BLOCKQUOTE>
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#3
04-29-2003, 06:20 PM
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Where is Ol Pinion Head when you need him?
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#4
04-29-2003, 06:21 PM
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while some gearsets are naturally noisy, my guess is whoever set the rear end up missed the lash....may or may not be able to fix (my guess, probably not, since they have been run awhile)...need to take it to a knowledgeable mech, or lots of good info here...do a search
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#5
04-29-2003, 11:09 PM
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Have you checked to see if the gear lube is full?
 My Rig's a little old, but that don't mean she's slow.
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WWW.PatriotGuard.org Standing for those that stood for us. Only two defining forces have ever offered their life for you, Jesus Christ and the American G.I. One for your soul; the other for your freedom |
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#6
04-30-2003, 12:59 PM
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Yes it appears to be full, when I opened the drain plug on the rearend a gear little oil started coming out. Thanks for all the input so far.
------------------------------ <BLOCKQUOTE class="ip-ubbcode-quote"><font size="-1">quote:</font><HR>I have become comfortably numb.<HR></BLOCKQUOTE>
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#7
04-30-2003, 06:29 PM
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A bad axle bearing will have a whirring-whining noise.
TIGER EFI - Electronic Fuel Injection for the Traditional Pontiac Engine. bill@tigerefi.com
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Freedom is never more than one generation away from extinction. We didn't pass it to our children in the bloodstream. It must be fought for, protected, and handed on for them to do the same. -RONALD REAGAN 462 cid/ 6x-4/ TH400/ 3.36:1/ 28x10.5/ 3880#/ 12.35 @ 109.36/ 1.69 60 ft/ 4 wheel disc brakes/ 15 mpg  |
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#8
04-30-2003, 07:56 PM
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How do I tell the gear ratio with out taking the cover off? I know there is a way where you raise the back end and turn the wheels. any one know this method? and how do I tell it by opening the cover? just to know it.
------------------------------ <BLOCKQUOTE class="ip-ubbcode-quote"><font size="-1">quote:</font><HR>I have become comfortably numb.<HR></BLOCKQUOTE>
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#9
05-01-2003, 01:07 AM
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I think you can get close by counting the number of times the drive shaft turns to one full revolution of the tire.....knew a guy with a 70 ss chebby, sounded like a garbage truck in reverse when he had that thing in first gear going forward, turns out the whining was coming from his healthy muncie rock crusher tranny.
 thought I was wrong once.......but I was mistakin
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 70 GTO 400/4SPD-13.97@102.31
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#10
05-01-2003, 08:00 AM
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Jo,
What year of 8.2 Pontiac rearend is it? Trying to rule out axle bearing noise, as never heard any noise out of sealed bearing A-9 axle bearings. How many miles since the gear change? Is noise on the drive or on the coast, or both.
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Buzzards gotta eat... same as worms. |
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#11
05-01-2003, 08:20 AM
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OPH it is both drive and coast, I am gonna try to ID the unit to see exactly what rear end is in it. the gear change was probably 3000 miles or less. I will get back with some info and you can give me your opinion.
 ------------------------------ <BLOCKQUOTE class="ip-ubbcode-quote"><font size="-1">quote:</font><HR>I have become comfortably numb.<HR></BLOCKQUOTE>
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#12
05-01-2003, 09:29 PM
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OPH - I've never heard of it either until one went bad on my wife's '69. Wish I had a digital camera to show the remains of the bearing! Amazingly enough, all that carnage, and it didn't hurt the axle.
TIGER EFI - Electronic Fuel Injection for the Traditional Pontiac Engine. bill@tigerefi.com
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Freedom is never more than one generation away from extinction. We didn't pass it to our children in the bloodstream. It must be fought for, protected, and handed on for them to do the same. -RONALD REAGAN 462 cid/ 6x-4/ TH400/ 3.36:1/ 28x10.5/ 3880#/ 12.35 @ 109.36/ 1.69 60 ft/ 4 wheel disc brakes/ 15 mpg |
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#13
05-02-2003, 05:24 AM
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WHINING NOISE IN THE BACK? Just check to see if my Mother-in-law is not in there!!!!
 Experiance is that marvellous thing that makes you recognise a mistake when you make it again.
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To laugh at men of sense is the privilege of fools. |
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#14
05-02-2003, 01:22 PM
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Heybuck lmao@you
------------------------------ <BLOCKQUOTE class="ip-ubbcode-quote"><font size="-1">quote:</font><HR>I have become comfortably numb.<HR></BLOCKQUOTE>
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#15
05-04-2003, 01:02 PM
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"is there a difference in gears made by chevy and BOP cars?"
Yes, there is a difference. BOP gears will not work on a chevy posi unit or the other way around. 1968 GTO 1972 LeMans "Where's Fast70TransAm??"
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1968 Pontiac GT0 1972 Pontiac LeMans Heart Of Illinois GTO club member "This aint no damn Chevelle" |
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