A loose or slipping engine belt or a misaligned accessory drive pulley could cause a car to squeal upon acceleration. Engine belts and drive pulleys are used to power the water pump, air-conditioning compressor and the alternator of an automobile.Continue Reading
Engine belts should be checked every 6 months. Loose belts can be tightened, but worn out belts should be replaced. A broken belt can cause additional damage to the engine that can be costly to repair.
Most belt problems are caused by fatigue. High belt tension, excessive slippage, belt overloads and adverse environmental conditions are the main causes of belt fatigue.Learn more about Car Parts & Maintenance
To adjust the ignition timing on an older car with a distributor, wire up a timing light and run the engine with the light pointed at the crankshaft and the pulley that extends from it. The notch on the pulley is the top dead center, and it should flash when the timing light hits it. Three to five degrees before top dead center is the ideal position for the distributor.Full Answer >
Signs that a fuel pump is failing include a sudden sharp decrease in overall gas mileage, high car temperature and frequent related engine stalls, slower acceleration or frequent drops in speed when accelerating or going uphill, and fuel gauge needle inconsistency when the car is in motion. It is also possible to diagnose a failing fuel pump by sound; if you cannot hear a brief whirring noise when the car starts, there is likely a fuel pump issue.Full Answer >
To replace the car's timing belt, degrease the engine, drain the coolant, remove the old belt, insert a new belt in the place of the old one, replace the crankshaft seal with a new one and refill the coolant. For proper replacement instructions, refer to the owner's manual.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 >