GM Service Manual Online
For 1990-2009 cars only

Application

Type of Material

Part Number

Camshaft Rear Bearing Hole Plug

Sealant

12377901

Coolant Drain Plug

Sealant

21485278

Coolant Temperature Sensor Threads

Sealant

21485278

Crankshaft Balancer Keyway

Sealant

12378521

Crankshaft Position Sensor Bolt/Stud Threads

Threadlock

21485277

Engine Block Coolant Drain Plug Threads

Sealant

21485278

Engine Block Oil Gallery Plug Threads

Sealant

21485278

Engine Front Cover Bolt Threads

Sealant

21485278

Engine Front Cover Gasket Lower Tabs

Sealant

21485278

Engine Oil

5W-30 Oil

21007414

Engine Oil Cooler Fitting Threads

Sealant

12346004

Engine Oil Supplement

Lubricant

1052367

Intake Manifold and Engine Block Sealing Surfaces

Cleaner

12378392

Intake Manifold Bolt Threads - Upper and Lower

Threadlock

21485277

Intake Manifold Coolant Pipe

Sealant

21005994

Intake Manifold to Engine Block Mating Surface

Sealant

12378521

Oil Filter Bypass Hole Plug Threads

Sealant

21485278

Oil Pan Surface at Front Cover - Block Mating Area

Sealant

12378521

Oil Pan Surface at Rear Crankshaft Main Bearing Cap

Sealant

12378521

Oil Pressure Switch Threads

Sealant

21485278

Oil Pump Suction Pipe

Sealant

21485278

Piston and Piston Pin

5W-30 Oil

21007414

Rear Crankshaft Main Bearing Cap

Sealant

1052943

Throttle Body Stud and Bolts

Threadlock

21485277

Valve Lifter Guide Bolt Threads

Threadlock

21485277

Valve Rocker Arm Cover Notch at Cylinder Head and Lower Intake Manifold

Sealant

12378521

Valve Lifter and Camshaft Prelube

Lubricant

12345501