Recommended Axle Lubricant (76-02-02A)
WARNING: This page is about the Forward Control 4.8 T, Automatic, 400/M40, which is a different variant/trim than selected.
Publication date: 1997-08-01Reference number: 76-02-02A
Supersedes refnos: 76-02-02
RECOMMENDED AXLE LUBRICANT
TECHNICAL SERVICE BULLETIN
Reference Number(s): 76-02-02A, Date of Issue:
September 1998
Superceded Bulletin(s): 76-02-02, Date of Issue:
August, 1997
| GM: | 1999 and Prior Rear Wheel Drive Passenger Cars, Light and Medium Duty Trucks, and Four Wheel Drive Vehicles |
| SECTION: | 00 - General Information |
NOTE:
This bulletin is being revised to add the 1998 and 1999 model years and add vehicle line and recommended axle lubricant information. Please discard Corporate Bulletin Number 76-02-02 (Section 0 - General Information).
SERVICE INFORMATION
The following tables provide the latest information on recommended Axle Lubricant.
REAR AXLES W/NON LIMITED-SLIP OR NON LOCKING DIFFERENTIALS
| Vehicle Line | Recommended Axle Lubricant |
|---|---|
| 1994 through 1997 Camaro and Firebird and Geo (Chevrolet) Tracker | GM Part No. 12345977 or an SAE 80W-90 GL-5 Gear Lubricant |
| 1998 and 1999 Camaro and Firebird | GM Part No. 12378261, SAE 75W-90 Axle Lubricant |
| HD-3500 Trucks (Dana 11.0" axles) | GM Part No. 12346140, SAE 75W-140 Synthetic Gear Lubricant |
| 1997 Cadillac Catera | GM Part No. 12345977 or an SAE 80W-90 GL-5 Gear Lubricant |
| 1999 GMT 800 TRUCKS | GM P/N 12378261, SAE 75W-90 Synthetic Axle Lubricant |
| All other non limited-slip or non locking differentials including B - and D - cars, S/T, M/L, G, P, and C/K trucks except GMT 800 and as noted above | GM Part No. 1052271 or an SAE 80W-90 GL-5 Gear Lubricant |
REAR AXLES W/LIMITED-SLIP OR LOCKING DIFFERENTIALS
| Vehicle Line | Recommended Axle Lubricant |
|---|---|
| 1994 and newer Camaro & Firebird, 1998 or older Chevrolet Corvette | Use only GM Part No. 12345977 plus 4 ounces of GM Part No. 1052358 Limited Slip Additive |
| 1998 And 1999 Camaro And Firebird, 1999 Corvette | GM P/N 12378261, SAE 75W-90 Synthetic Axle Lubricant. With A Complete Drain And Refill, 4 Ounces Of GM P/N 1052358 Limited Slip Additive |
| 1996 and older B - and D - cars, and 1993 and older Camaro and Firebird | Use only GM Part No. 1052271 plus 4 ounces of GM Part No. 1052358 Limited Slip Additive |
| 1999 GMT 800 Trucks | GM P/N 12378261, SAE 75W-90 Synthetic Axle Lubricant (DO NOT ADD LIMITED SLIP ADDITIVE) |
| All other limited-slip or locking differentials including C/K (NON GMT 800), S/T, M/L, G trucks | Use only GM Part No. 1052271. DO NOT add LIMITED SLIP ADDITIVE |
MEDIUM DUTY TRUCKS INFORMATION
| Vehicle Line | Recommended Axle Lubricant |
|---|---|
| Medium Duty Trucks | GM P/N 12345841, SAE 75W-90 Synthetic Axle Lubricant For Medium Duty Trucks ( Eaton Roadranger Axle Lubricant ) |
FRONT AXLES ON 4-WHEEL DRIVE VEHICLES INFORMATION
| Vehicle Line | Recommended Axle Lubricant |
|---|---|
| Front Axles in 4-wheel drive vehicles other than Geo (Chevrolet) Tracker | GM Part No. 1052271 or an SAE 80W-90 GL-5 Gear Lubricant |
| Front axles in 4-wheel drive vehicles in cold climates when excessive shift effort is required to shift into 4-wheel drive | GM P/N 12345836, SAE 75W-90 Synthetic Cold Climate Front Axle Lubricant |
| Geo (Chevrolet) Tracker | GM Part No. 12345977 or an SAE 80W-90 GL-5 Gear Lubricant |