Timing Components: Testing and Inspection

TIMING SYSTEM

INSPECTION

SPROCKETS, TENSIONER, IDLER
1. Check the camshaft sprocket, crankshaft sprocket, tensioner pulley, and idler pulley for abnormal wear, cracks, or damage. Replace as necessary.





2. Inspect the tensioner pulley and the idler pulley for easy and smooth rotation and check for play or noise. Replace as necessary.
3. Replace the pulley if there is a grease leak from its bearing.

TIMING BELT
1. Check the belt for oil or dust deposits.
Replace, if necessary.
Small deposits should be wiped away with a dry cloth or paper. Do not clean with solvent.
2. When the engine is overhauled or belt tension adjusted, check the belt carefully. If any of the following flaws are evident, replace the belt.

NOTE:
^ Do not bend, twist or turn the timing belt inside out.
^ Do not allow the timing belt to come into contact with oil, water and steam.