Engine Timing
Timing Belt Troubleshooting GuideWhen a timing belt fails prematurely, it is important to determine why it failed, so that corrective action can be taken. In most cases, the cause of the failure can be found in a problem with one of the drive components. If the belt has to be removed for any reason, a new belt should be installed. Never refit a used belt. The following guide, developed by Gates engineers, assists in spotting problems and correcting them.
1. Tensile Failure Probable Causes and Solutions:
2. Tooth Shear
Probable Causes and Solutions:
3. Tooth Wear
Probable Causes and Solutions:
4. Hollowed Teeth
Probable Causes and Solutions:
5. Back Cracks
Probable Causes and Solutions:
6. Land Wear
Probable Causes and Solutions:
7. Oil Contamination
Probable Causes and Solutions:
8. Edge Wear
Probable Causes and Solutions:
9. Noise
Probable Causes and Solutions:
Summary A quality timing belt will provide you with a long service life if it is properly installed and maintained. Following the above guidelines and fitting in accordance with the car manufacturer’s instructions will ensure that belt tension and engine timing are correct, optimising the life and functioning of the belt drive system.
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