Timing Chain Drive Inspection

Sprockets, hydraulic tensioner, chain guide, tensioner arm, timing chain

1. 1
   Inspect the CVVT sprocket and the crankshaft sprocket teeth for abnormal wear, cracks or damage. Replace if necessary.
2. 2
   Inspect the contact surfaces of the timing chain tensioner arm and chain guide for abnormal wear, cracks or damage. Replace if necessary.
3. 3
   Inspect the hydraulic tensioner for plunger movement and ratchet operation. Replace if necessary.
4. 4
   Inspect the timing chain for elongation, excessive wear, or damage. Replace if necessary.