30. Timing Chain and Sprocket Clean and Inspect
TIMING CHAIN AND SPROCKETS CLEAN AND INSPECT(UNIT REPAIR)
1. Inspect timing chain guides for cracking or wear.
2. Replace timing chain guides if wear exceeds 1.12 mm (0.045 inch)
3. Inspect timing chain tensioner shoe for wear.
4. Replace timing chain tensioner shoe if wear exceeds 1.12 mm (0.045 inch).
5. Inspect timing chain and sprockets for wear.
6. Inspect camshaft sprocket faces for signs of movement.
7. Inspect camshaft sprocket teeth and chain for signs of excessive wear, chipping, or seizure of the timing chain links.