differential gear oil

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Feb 16, 2012 | 10:16 AM

iputon

Thread Starter

Junior Member

Joined: Feb 2012

Posts: 3

differential gear oil

i have a 1985 seville 4.1 motor front wheel drive what type of oil to put in the differential thanks

Feb 16, 2012 | 12:14 PM

Cadsforfun

Senior Member

Joined: Aug 2010

Posts: 214

Oil

Use SAE 80 or SAE80-90 GL5 Gear Lube Some GM#1052271 or 1052272. Recommended change every 10,000 and check level once a year.

Feb 21, 2012 | 01:58 PM

Henry Leland

Junior Member

Joined: Feb 2012

Posts: 13

Quote:

Originally Posted by Cadsforfun

Use SAE 80 or SAE80-90 GL5 Gear Lube Some GM#1052271 or 1052272. Recommended change every 10,000 and check level once a year.

Why so often? Just because it's front-wheel drive and runs hotter? For rear differentials changing the oil every 100K miles is usually more than often enough.

Feb 22, 2012 | 11:47 AM

Cadsforfun

Senior Member

Joined: Aug 2010

Posts: 214

Diff. Oil

Just from the GM maintenance charts, not something that I recommend. I agree that it is too often as well and never do it more often than about 50,000. All depends if you have been towing or not.