Timing Chain and Sprockets Cleaning and Inspection

WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

Clean the components with cleaning solvent.
CAUTION: Refer to SAFETY GLASSES CAUTION .
Dry the components with compressed air.
Inspect the timing chain for binding or wear.

Fig 1: View Of Timing Chain & Sprockets
Courtesy of GENERAL MOTORS CORP.
Inspect the camshaft and crankshaft sprockets for:
- Worn teeth (1)
- Damaged teeth (2)
- Chipped teeth (3)
- Worn valleys between the sprocket teeth
Fig 2: Inspecting Camshaft And Crankshaft Sprockets
Courtesy of GENERAL MOTORS CORP.
Inspect the crankshaft sprocket keyway for wear.
Inspect the crankshaft sprocket oil pump drive splines for wear.

Fig 3: Inspecting Crankshaft Sprocket Components
Courtesy of GENERAL MOTORS CORP.