Camshaft Timing Chain and Sprocket Cleaning and Inspection. GMC Truck GMC K Pickup

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC K Pickup - 4WD 🢒 Engine 🢒 Engine Mechanical - 5.0L and 5.7L 🢒 Camshaft Timing Chain and Sprocket Cleaning and Inspection

Caution: Wear safety glasses in order to avoid eye damage.

Clean the components in cleaning solvent.
Dry the components with compressed air.
Inspect the camshaft timing chain for binding or wear.

Inspect the camshaft and crankshaft sprockets for:

•	Broken teeth (1)

•	Damaged teeth (2)

•	Chipped teeth (3)

•	Worn teeth

•	Uneven wear on one edge of the teeth

•	Worn valleys between the sprocket teeth

•	Crankshaft sprocket keyway for wear

•	Crankshaft sprocket woodruff key for wear or damage