There are multiple symptoms of a bad timing chain, but none of them is as obvious as a rattling that can be heard from the front of the engine, especially while the car is idling. The rattling is most prominent in engine... More »

To change a timing chain, disconnect the battery, remove the radiator, and drain the coolant. Loosen the tension gear, and pulll out the old chain. Finally, lubricate the tension gear, and attach the new chain. More » Vehicles Car Parts & Maintenance Engine

Timing chain marks are indicators that show when an automobile engine is in alignment with the timing chain and cam sprocket. These marks are necessary in the removal and replacement of the timing chain. More » Vehicles Car Parts & Maintenance Engine
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As cars grow older, they often develop many rattles; however, if the rattle is coming from the front of the engine along with ticks and slaps, it sometimes indicates a loose timing chain. If the chain breaks, it causes s... More »

Three common symptoms of a failing timing belt include rattling noises occurring from the front of the engine, retarded ignition timing and plastic chunks found inside the oil pan. A failing timing belt should be quickly... More »

The cam position sensor is often located under the timing chain cover, which is near the front of the car engine. The sensor may be near the cylinder head. More »

The crankshaft position sensor location varies between make, model and engine style but is typically located on the front of the engine on the timing cover. Locating the crankshaft pulley and looking for a sensor that is... More »