Timing Belts Can Age Just as Quickly as They Wear Out

Timing Belts Can Age Just as Quickly as They Wear Out

The correct time to change a timing belt in older cars depends not only on the mileage of the car, but also on the age of the belt says ContiTech's Power Transmission Group.

Replacing a timing belt at the proper time prevents costly engine damage. Decisive for the replacement, however, is not only the number of miles driven, but also the age of the belt.The correct time to change a timing belt in older cars depends not only on the mileage of the car, but also on the age of the belt says ContiTech’s Power Transmission Group.

"Long periods of inactivity place just as much strain on a belt as regular operation,” said Helmut Engel, head of Automotive Aftermarket at ContiTech’s Power Transmission Group. “Aging damages the material of chloroprene belts – no matter how much you drive.  Many drivers don’t realize that just because your owner’s manual says you should make a regular trip to the repair shop, many cars are unlikely to reach the replacement intervals specified by the manufacturer, even after many years of driving.”

"In the last few years, some manufacturers have already started to change replacement intervals to take age into account, especially for timing belts. However, these changes are not always indicated in the service manual,” said Roger Homer, ContiTech’s director of North America business development. “In order to perform maintenance in accordance with the inspection guidelines, repair shops should always refer to up-to-date information.”

If the manufacturer has not provided suitable specifications, ContiTech advises that timing belts used in older cars be replaced after six years at the latest. ContiTech offers products for this task including OEM-quality kits containing perfectly matched drive components.

“When changing belts, it is also highly recommended to replace all the relevant belt drive components at the same time,” said Homer. “This provides greater safety for the engine.  The advantages for service shops are clear: there is no need to order individual parts, you can always be certain that the parts match the vehicle and type and administration for incoming goods and processing becomes a lot simpler.”

Using kits also provides mechanics with the best possible means of protecting themselves from possible warranty claims.


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