Service and Maintenance 411
Usage Fluid/Lubricant
Front Axle Propshaft Spline or
One-Piece Propshaft Spline
(Two-Wheel Drive with Auto. Trans.)
Spline Lubricant, Special Lubricant (GM Part No. 19257121, in
Canada 19257122).
Key Lock Cylinders, Hood Hinges,
Power Assist Steps, and Outer
Tailgate Handle Pivot Points
Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in
Canada 10953474).
Weatherstrip Conditioning Weatherstrip Lubricant (GM Part No. 3634770, in Canada 10953518) or
Dielectric Silicone Grease (GM Part No. 12345579, in Canada 10953481).
Weatherstrip Squeaks Synthetic Grease with Teflon, Superlube (GM Part No. 12371287, in
Canada 10953437).
Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can be obtained from your dealer.
Part GM Part Number ACDelco Part Number
Engine Air Cleaner/Filter 22845992 A3181C
Oil Filter 89017525 PF63
Passenger Compartment Air Filter 22808781 CF188
Spark Plugs 12622441 41-114
Wiper Blades
Driver Side – 55 cm (21.7 in) 22756331 —