![]() ![]() Therefore, if that timing is off, everything else will be off kilter. The valve has to be able to close and open at the exact right moment when related to the movement of the pistons. The exhaust valves and intakes are caused to close and open by the revolution of the cam shaft. It must maintain complete alignment at the same it turn the crankshaft exactly two revolutions for every one revolution of the cam shaft. The timing belt is actually a very finely tuned piece of equipment on your car. Always refer back the manual for your car for advice about the mileage. While it is usually recommended to change your timing belt at least every 60,000 miles, some vehicles differ and the range can be as high as 110,000 miles. Older timing belts will wear down and lose teeth over the course of their lifetime. Also, this could be a sign that there are some teeth missing. If it has become loose it will start to slip as the RPM’s get higher during acceleration. ![]() ![]() If you have noticed that when you drive and you get up to somewhere between 20 RPM and your engine start acting strange you should check the timing belt. If your car has been behaving oddly during journeys recently it may be that your timing belt is requiring a change. Visually look over the belt at regular intervals and look for signs of wear and tear. You should make a timing belt inspection a part of your regular engine maintenance. When it is time to change your timing belt you will probably notice your car displaying rather erratic symptoms during driving. ![]()
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