Changing gear oil in a 92 tbi
Thread Starter
Joined: Jan 2007
Posts: 976
Likes: 4
From: Newfoundland, Canada
Car: 1991 Pontiac Trans Am GTA
Engine: V8 305
Transmission: Automatic Transmission
Changing gear oil in a 92 tbi
when is it recommended and what kind of process is it?
Joined: Aug 1999
Posts: 19,282
Likes: 103
From: Lawrence, KS
Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: Changing gear oil in a 92 tbi
Should you be unsure when the last change was, time has come to service it. Drop the cover (which will drain the oil). Clean the housing and diff cover of RTV and/or gasket remains. Button up with a new bead of RTV or a new gasket. Fill up--the fill plug is located on the top pass side of the pumkin). For type of fluid and amount, check the following link:
https://www.thirdgen.org/forums/tran...-10-bolts.html
JamesC
https://www.thirdgen.org/forums/tran...-10-bolts.html
JamesC
Thread Starter
Joined: Jan 2007
Posts: 976
Likes: 4
From: Newfoundland, Canada
Car: 1991 Pontiac Trans Am GTA
Engine: V8 305
Transmission: Automatic Transmission
Re: Changing gear oil in a 92 tbi
this is helpful thanks.
I have no idea when the last change was, I have had the car for 2 years and I doubt the previous owner changed it so I do believe the time has come to change it.
I have no idea when the last change was, I have had the car for 2 years and I doubt the previous owner changed it so I do believe the time has come to change it.
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Joined: Dec 2006
Posts: 2,403
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From: ms. gulf coast
Car: 91 R/S , 89 dodge p/u
Engine: L31 GM crate re-cammed , 318
Transmission: T-5 , 4 speed auto
Axle/Gears: 3.42 , ?
Re: Changing gear oil in a 92 tbi
time to change . when cover is off , clean inside . i normally use mineral spirits in a squirt can or spray bottle , then blow out with compressed air . might want to think about a good synthetic gear lube . i like mobil 1 75w90 . good luck . Thread Starter
Joined: Jan 2007
Posts: 976
Likes: 4
From: Newfoundland, Canada
Car: 1991 Pontiac Trans Am GTA
Engine: V8 305
Transmission: Automatic Transmission
Re: Changing gear oil in a 92 tbi
i read somewhere (can't remember where) that once that cover is off its difficult to put back on, especially if its never been changed before. It is possible that it never been changed. what problems may I find?
Joined: Aug 1999
Posts: 19,282
Likes: 103
From: Lawrence, KS
Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: Changing gear oil in a 92 tbi
JamesC
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