Transmissions and Drivetrain Need help with your trans? Problems with your axle?

final drive assembly

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Old May 13, 2017 | 03:37 PM
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A.vassell's Avatar
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final drive assembly

what happen to a car performance when a differential gear teeth is damage?
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Old May 13, 2017 | 04:09 PM
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GeneralDisorder's Avatar
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From: Portland, OR
Car: 86 Imponte Ruiner 450GT, 91 Formula
Engine: 350 Vortec, FIRST TPI, 325 RWHP
Transmission: 700R4 3000 stall.
Axle/Gears: 9 Bolt Torsen 3.70
Re: final drive assembly

"Performance".... well it typically won't perform at all.... least not for long.

If the teeth are damaged then you will hear gnashing and grinding, and other ugly noises followed by popping, jerking, locking up, and generally pretty violent unhappy behavior, followed by the car refusing to move at all.

GD
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Old May 16, 2017 | 11:32 AM
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midias's Avatar
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From: Henrietta NY
Car: 1984 Trans Am L69
Engine: Sniper EFI Powered 355
Transmission: WC T5 w/ Steel Support Plate
Axle/Gears: 3.42 10 Bolt Posi
Re: final drive assembly

Also the torque arm in these cars will often make it sound like it is coming from the trans area. You will hear a lot of noise that will change with how much gas you give it. If you have a manual and push in the clutch the noise will often disappear or get much less. Then again I drove a truck with 3 ring teeth rattling around the diff 400 miles to avoid towing fees and it worked just fine although noisy. Pull the cover and see what it looks like
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Old May 16, 2017 | 12:15 PM
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Re: final drive assembly

What kind of damage are you talking about?
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