timing belt

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timing belt

[′tīm·iŋ ‚belt]
(design engineering)
A power transmission belt with evenly spaced teeth on the bottom side which mesh with grooves cut on the periphery of the pulley to produce a positive, no-slip, constant-speed drive. Also known as cogged belt; synchronous belt.
(mechanical engineering)
A positive drive belt that has axial cogs molded on the underside of the belt which fit into grooves on the pulley; prevents slip, and makes accurate timing possible; combines the advantages of belt drives with those of chains and gears. Also known as positive drive belt.
References in periodicals archive ?
Perhaps when they do these cam belt changes in future they could make the car sound a bit more sporty by adding something into the exhaust to make me feel like I've got something for my money.
There was half a ream of service history, and it showed three cam belt changes with at least a year to go before another would be needed.
Something that Skoda has not mentioned, which is equally important, is to check whether associated parts have also been changed when the cam belt is renewed.
If anybody fancies sharing the secret of leading a normal life with me, and it doesn't involve cam belts, then answers on a postcard to the usual address please.
If the cam belt and associated parts - such as water pump and tensioner - have not been changed, and the mileage is over these boundaries, the cam belt is likely to fail soon and will cause expensive damage to the engine.
0-litre 16v engine features maintenance free valve lifters, maintenance free direct ignition (no distributor), 40,000 mile spark plug changes using normal plugs and a maintenance free timing chain (no cam belt change needed).
On lots of cars, if you don't also change the pulley wheels, tensioners and even the water pump, then you may as well not bother changing the cam belt.
If you make sure the cam belt is changed regularly, these cars are reliable.
If the cam belt and associated parts ( such as water pump and tensioner ( have not been changed, the cam belt is likely to fail soon.
When the driver fired the car up for the first time after the rally it jumped four teeth on the cam belt and wouldn't start
It was a broken cam belt - repair estimated at pounds 1,800.
WHEN my cam belt shattered on the Pontprennau roundabout on Wednesday, I was mildly disgruntled to say the least.