Rear End Noise Update

FirebirdGT

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#1

Rear End Noise Update

10-04-2020, 09:47 PM

Well the "thumping" noise went away the day I was putting the car on the flat bed tow truck to take to the local dealer.

They inspected the underside and found nothing.

So - opened up the diff and inspected - nothing - so installed the 97 V8 axles (one year only) w/ 20mm extended lugs, new outer bearings/seals, new C-clips, and GM 80W-90 gear oil.

Also installed new 98+ 1LE Trans mount and ES Torque Arm bushing.

Changed Trans lubricant to GM 88861800 "Manual Transmission and Transfer Case Fluid" - which was changed from Dexron III ATF by GM Bulletin 04-07-30-037D in 2007.

Also installed new Overflow Coolant/Battery Tray and new Diehard battery.

Robert - owner www.FirebirdV6.com "Mid-life crisis? I'm way beyond that!"

1996 Black Firebird GTxxxRam Air V6 w/ M5xxxwww.FirebirdGT.com

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ssms5411

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#2

10-04-2020, 11:21 PM

Good to hear Robert.

08' L76 6.0L 4X4 Chevy EXT.Cab LTZ Vortec MAX with Snug top cover, Dynomax exhaust,Hptuners& K&N intake
96' Camaro M5 to A4 conversion, alot of mods . GT35R Turbo full suspension. Built engine
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LETZRIDE

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#3

10-07-2020, 10:07 PM

Weird how some problems fix themselves sometimes... always right before you bring it in!

2002 SOM Z28 Camaro - 12.9 @ 104 mph
1996 3800 Camaro - 13.43 @ 100.77 mph

Project Cars | How To Guides | Scratch Repair | Synthetic Oil
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ssms5411

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#4

10-11-2020, 05:10 PM

How’s your car running now Robert?

08' L76 6.0L 4X4 Chevy EXT.Cab LTZ Vortec MAX with Snug top cover, Dynomax exhaust,Hptuners& K&N intake
96' Camaro M5 to A4 conversion, alot of mods . GT35R Turbo full suspension. Built engine
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FirebirdGT

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#5

10-12-2020, 12:26 AM

Originally posted by ssms5411 View Post

How’s your car running now Robert?

Great - particularly the manual trans with the new fluid - shifts really nice. Anyone with a manual should get rid of the Dexron III ATF and use the new GM manual trans fluid.

Robert - owner www.FirebirdV6.com "Mid-life crisis? I'm way beyond that!"

1996 Black Firebird GTxxxRam Air V6 w/ M5xxxwww.FirebirdGT.com

Raven
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