Re-check the tension and readjust if necessary. A timing belt, also referred to as a timing chain or cam belt, is an integral part of the internal combustion engine. The timing belt keeps your cars valves, pistons, camshafts and crankshaft all rotating in sync. Lock it by tightening the bolt over the slot. Move the tensioner as necessary to tighten or loosen the belt. Slacken both bolts just enough to let you slide the tensioner. Depending on the make and model of vehicle, the cost of a timing belt replacement will start in the several hundred dollars range and can move into four figures. It has two adjustment bolts, one of them fitted over a slot. The timing belt is an internal engine part that requires the mechanic to remove multiple external engine parts in order to access and replace it. You may hear lots of sounds under the hood when youre behind the wheel. The timing belt and water pump will need to be changed in line with the manufacturers recommendation this is normally every 60,000 miles.

The tensioner is a roller which bears on the outside face of the belt. Mechanics inspecting Timing Belt Ticking Sounds from Your Engine. The balance should read 11 lb (5 kg) for a used belt, 13 lb (6 kg) for new belt. Pull the spring balance until the edge of the belt is in line with a raised mark on the water-pump intake-hose stub. Learn about the symptoms and costs you may encounter if something goes wrong. (If necessary, use a separate L hook.) The spring balance must be capable of measuring at least 13 lb (6 kg).įit the hook to the belt midway between the camshaft and crankshaft If an engine is equipped with a timing belt, the timing belt must be replaced at the service interval specified by the vehicle manufacturer. The timing belt is one of the most important parts of your vehicles engine. To measure the tension, use a spring balance with its hook bent to an L shape to fit flat against the belt. The timing belt is a small rubber belt that connects the crankshaft to the camshaft, controlling when the valves open and close.

Car timing belt