Tri-Valley Clutch
Don Tupper Tri-Valley Clutch
Don Tupper
owner
6743 Dublin Blvd. ste 5
Dublin, Ca. 94568
(925) 828-1700
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timing belt
timing belt
Timing Belt Service
Most modern passenger vehicles
require the timing belt be replaced
at 90,000 to 105,0000 miles.
Check your vehicle's maintenance
schedule or call us for replacement
mileage.
Our service includes the timing belt,
water pump, tensioners, seals,
drive belts, fresh coolant, and other
necessary parts for a complete
service.
A timing belt, or cam belt is a part of an internal combustion engine that controls the timing of the engine's valves. The term "timing
belt" is also used for the more general case of any flat belt with integral teeth. Such belts are used for power transmission or to
interchange rotary motion and linear motion, where maintaining a specific drive ratio is important.

In the internal combustion engine application, the timing belt connects the crankshaft to the camshaft(s) which in turn controls the
opening and closing of the engine's valves. A four-stroke engine requires that the valves open and close once every other turn of
the crankshaft. The timing belt does this. It has custom teeth to turn the camshaft(s) synchronized with the crankshaft and is
specifically designed for a particular engine. In some engine designs, the timing belt may also be used to drive other engine
components such as the water pump and oil pump.

While chains and gears may be more durable, rubber belts are quieter in their operation (in most modern engines the noise
difference is negligible), are less expensive and are mechanically more efficient, by dint of being considerably lighter, when
compared with a gear or chain system. A timing belt is a specific application of a synchronous belt used to transmit rotational
power synchronously.

Timing belts are typically inaccessible and difficult to inspect. Replacement at specific intervals is recommended by the
manufacturer. The manufacturer may also recommend the replacement of other parts, such as the water pump, when the timing belt
is replaced because the additional cost to replace the water pump is negligible compared to the cost of accessing the timing belt.
Failure of the timing belt  often leads to damage that is expensive to repair.