3.
Replace the pulley if there is a grease leak from its bearing.
Check the camshaft sprocket, crankshaft sprocket, tensioner pulley and idler pulley for abnormal wear, cracks or damage. Replace if necessary.
Inspect the tensioner pulley and the idler pulley for easy and smooth rotation and check for play or noise. Replace if necessary.
Replace the pulley if there is a grease leak from its bearing.
Check the auto tensioner for leaking and replace if necessary.
Check the rod end for wear or damage and replace if necessary.
Measure the rod protrusion. If it is out of specification, replace the auto tensioner.
Standard value : 14.5 mm (0.57 in) |
Using a soft jaw vise , compress the auto tensioner rod. slowly. If the rod can be easily retracted, replace the auto tensioner. You should feel extensive resistance when pushing the rod in. And it must be compressed insereral steps.
Clamp the auto tensioner in the vise so that it is level. Use soft jaws in the vise to avoid damaging the auto tensioner.
Check the belt for oil or dust deposit. Replace if necessary. Small deposits should be wiped away with a dry cloth or paper. Do not clean withsolvent.
When the engine is overhauled or belt tension is adjusted, check the belt carefully. If any of the following flaws are evident, replace the beltwith a new one.
Description | Flaw conditions |
1. Hardened back surface of rubber | Back surface is glossy, Non-elastic and so hard that, when your fingernail is pressed into it, no mark is produced. |
 | |
2. Cracked back surface of rubber |  |
3. Cracked or separating canvas |    |
4. Badly worn out teeth (initial stage) | Tooth flank shows canvas on the load side (Fluffy canvas fibers, rubber changed into white color and unclear canvas texture) |
 | |
5. Badly worn out teeth (last stage) | Tooth flank worn and rubber exposed on load side (tooth width reduced) |
 | |
6. Cracked tooth bottom |  |
7. Missing tooth |  |
8. Badly worn side of belt | |
 | |
9. Cracked side of belt |  |
