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 engines with overhead camshafts.Continue Reading
The sounds heard from the front of the engine are caused by the timing chain beginning to wear and becoming more stretched around the camshaft gears.
Another common symptom involves shards of plastic that are visible in the engine oil. The plastic pieces coat the teeth of the camshaft gears around which the timing chain links.Learn more about Car Parts & Maintenance
Reasons for a car running rough can include problems with the engine temperature or oxygen sensors, bad hoses, ignition system or timing problems, clogged air or fuel filters, and faulty spark plugs or fuel injectors. Many problems that manifest through a rough idle can be easily fixed.Full Answer >
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 directly behind the pulley is an optional method also.Full Answer >
Third-party auto repair manuals, such as Haynes and Chilton, are typically good sources for finding timing belt and timing chain routing diagrams. Both companies have been in business for more than 50 years and have repair manuals for most makes, models and years of commercial vehicles.Full Answer >
Some common things to check when a car's engine does not turn over include the battery components, the timing belt, the fuel level and fuel injectors and to look for moisture inside the distributor cap. On vehicles with carburetors, check to make sure the choke is not stuck.Full Answer >