For 1990-2009 cars

# Info - Recommended Rear Axle Lubricant

Subject: | Recommended Rear Axle Lubricant

Models: | 2000-01 Rear Wheel Drive Passenger Cars, Light Duty Trucks and Four Wheel Drive Vehicles

This bulletin is being revised to update the model year information in the table below. Please discard Corporate Bulletin 01-00-90-001 (Section 00 -- General Information).

The following table provides the latest information on recommended rear axle lubricant.

Model Year(s) | Model(s) | Usage | Recommended Lubricant | Recommended Maintenance
--- | --- | --- | --- | ---
2000-1 | Cadillac Catera | Rear Axle | SAE 80W-90 GL-5 Axle Lubricant, GM P/N 12345977 (in Canada use P/N 10953482) or equivalent. | Check axle fluid level and add fluid as needed every 30,000 miles (48 000 km).
2000 | Cadillac Escalade | Rear Axle | SAE 75W-90 Synthetic Axle Lubricant, GM P/N 12378261 (in Canada use P/N 10953455) or equivalent meeting GM Specification 9986115. | Short Trip/City Intervals: Check axle fluid level and add fluid as needed every 3,000 miles (5 000 km). Long Trip/Highway Intervals: Check axle fluid level and add fluid as needed every 7,500 miles (12 500 km).
2000 | Chevrolet Astro/Express, GMC Safari/Savana | Rear Axle (Standard) | SAE 80W-90 Axle Lubricant, GM P/N 1052271 (in Canada use P/N 10950849 or equivalent. | If driving in dusty areas or when towing a trailer, drain fluid and refill every 15,000 miles (25 000 km). Short Trip/City Intervals: Check axle fluid level and add fluid as needed every 3,000 miles (5 000 km). Long Trip/Highway Intervals: Check axle fluid level and add fluid as needed every 7,500 miles (12 500 km).
2000 | Chevrolet Astro/Express, GMC Safari/Savana | Rear Axle (Locking Differential) | Axle Lubricant, use only GM P/N 1052271 (in Canada use P/N 10950849). Do not add friction modifier. | If driving in dusty areas or when towing a trailer, drain fluid and refill every 15,000 miles (25 000 km). Drain fluid and refill at first engine oil change. Short Trip/City Intervals: Check axle fluid level and add fluid as needed every 3,000 miles (5 000 km).

Long Trip/Highway Intervals: Check axle fluid level and add fluid as needed every 7,500 miles (12 500 km).

2000-1 | Chevrolet Blazer/S10, GMC Envoy/Jimmy/Sonoma | Rear Axle (Standard) | SAE 80W-90 Axle Lubricant, GM P/N 1052271 (in Canada use P/N 10950849) or equivalent. | If driving in dusty areas or when towing a trailer, drain fluid and refill every 15,000 miles (25 000 km). Short Trip/City Intervals: Check axle fluid level and add fluid as needed every 3,000 miles (5 000 km). Long Trip/Highway Intervals: Check axle fluid level and add fluid as needed every 7,500 miles (12 500 km).
2000-1 | Chevrolet Blazer/S10, GMC Envoy/Jimmy/Sonoma | Rear Axle (Locking Differential) | Axle Lubricant, use only GM P/N 1052271 (in Canada use P/N 10950849). Do not add friction modifier. | If driving in dusty areas or when towing a trailer, drain fluid and refill every 15,000 miles (25 000 km). Drain fluid and refill at first engine oil change. Short Trip/City Intervals: Check axle fluid level and add fluid as needed every 3,000 miles (5 000 km).

Long Trip/Highway Intervals: Check axle fluid level and add fluid as needed every 7,500 miles (12 500 km).

2000-1 | Chevrolet Camaro, Pontiac Firebird | Rear Axle (Standard) | SAE 75W-90 Synthetic Axle Lubricant, GM P/N 12378261 (in Canada use P/N 10953455) or equivalent meeting GM Specification 9986115. | Check axle fluid level and add fluid as needed at least twice a year (for instance, each spring and fall).
2000-1 | Chevrolet Camaro/ Corvette, Pontiac Firebird | Rear Axle (Limited Slip) | SAE 75W-90 Synthetic Axle Lubricant, GM P/N 12378261 (in Canada use P/N 10953455) or equivalent meeting GM Specification 9986115. With complete drain and refill, add 4 ounces (118 ml) of Limited Slip Axle Lubricant Additive, GM P/N 1052358 (in Canada use P/N 992694) or equivalent. | Check axle fluid level and add fluid as needed at least twice a year (for instance, each spring and fall).
2000-1 | Chevrolet Silverado/Suburban/Tahoe, GMC Denali/Sierra/Yukon/Yukon XL | Rear Axle | SAE 75W-90 Synthetic Axle Lubricant, GM P/N 12378261 (in Canada use P/N 10953455) or equivalent meeting GM Specification 9986115. | Check axle fluid level and add fluid as needed every 7,500 miles (12 500 km).
2000-1 | Chevrolet Tracker | Rear Axle | SAE 80W-90 GL-5 Axle Lubricant, GM P/N 12345977 (in Canada use P/N 10953482) or equivalent. | Short Trip/City Intervals: Change differential fluid every 15,000 miles (25 000 km). Long Trip/Highway Intervals: Change differential fluid every 30,000 miles (50 000 km).
2000-1 | Oldsmobile Bravada | Rear Axle (Locking Differential) | Axle Lubricant, use only GM Part No.1052271 (in Canada use P/N 10950849). Do not add friction modifier. | If driving in dusty areas or when towing a trailer, drain fluid and refill every 15,000 miles (25 000 km). Drain fluid and refill at first engine oil change. Short Trip/City Intervals: Check axle fluid level and add fluid as needed every 3,000 miles (5 000 km).

Long Trip/Highway Intervals: Check axle fluid level and add fluid as needed every 7,500 miles (12 500 km).

2001 | Chevrolet Astro, GMC Safari | Rear Axle (Standard, Locking Differential) | SAE 75W-90 Synthetic Axle Lubricant, GM P/N 12378261 (in Canada use P/N 10953455) or equivalent meeting GM Specification 9986115. | Check axle fluid level and add fluid as needed every 7,500 miles (12 500 km).
2001 | Chevrolet Express, GMC Savana | 8.6 Inch, Rear Axle Only (Standard, Locking Differential) | SAE 75W-90 Synthetic Axle Lubricant, GM P/N 12378261 (in Canada use P/N 10953455) or equivalent meeting GM Specification 9986115. | Check axle fluid level and add fluid as needed every 7,500 miles (12 500 km).
2001 | Chevrolet Express, GMC Savana | 9.5, 10.5 Inch Rear Axles (Standard) | SAE 80W-90 Axle Lubricant, GM P/N 1052271 (in Canada use P/N 10950849) or equivalent. | If driving in dusty areas or when towing a trailer, drain fluid and refill every 15,000 miles (25 000 km). Short Trip/City Intervals: Check axle fluid level and add fluid as needed every 3,000 miles (5 000 km). Long Trip/Highway Intervals: Check axle fluid level and add fluid as needed every 7,500 miles (12 500 km).
2001 | Chevrolet Express, GMC Savana | 9.5, 10.5 Inch Rear Axles (Locking Differential) | Axle Lubricant, use only GM P/N 1052271 (in Canada use P/N 10950849). Do not add friction modifier. | If driving in dusty areas or when towing a trailer, drain fluid and refill every 15,000 miles (25 000 km). Drain fluid and refill at first engine oil change. Short Trip/City Intervals: Check axle fluid level and add fluid as needed every 3,000 miles (5 000 km).

Long Trip/Highway Intervals: Check axle fluid level and add fluid as needed every 7,500 miles (12 500 km).

2001 | Chevrolet 3500 HD, GMC Sierra 3500 HD | Rear Axle | SAE 75W-140 Synthetic Axle Lubricant, GM P/N 12346140 (in Canada use P/N 10953492) or equivalent. | Short Trip/City Intervals: Check axle fluid level and add as needed every 3,000 miles (5 000 km). Change axle fluid if the vehicle is driven in extreme overload, trailer towing and/or high-speed (above 40 mph or 70 km/h) conditions for extended periods of time every 30,000 miles (50 000 km).

Long Trip/Highway Intervals: Check axle fluid level and add as needed every 7,500 miles (12 500 km). Change axle fluid with high-speed use every 30,000 miles (50 000 km).