McFarland Auto Repair

Most drivers never think about engine timing until a shop brings it up. The car may run fine, the dashboard may be quiet, and nothing under the hood looks unusual. Then someone says timing belt or timing chain, and suddenly it sounds like a repair you should already understand. You are not alone. Both parts help keep the engine moving in the right order. The difference is how they are built, how they wear, and what happens if they fail. What Engine Timing Means Inside the engine, the pistons move up and down while the valves open and close. Those movements have to be carefully timed. If the valves open at the wrong moment, the engine cannot run correctly. The crankshaft controls piston movement. The camshaft controls valve movement. A timing belt or timing chain keeps those two parts synchronized. When timing is correct, the engine can breathe, compress, ignite, and exhaust gases properly. When timing is off, the engine may run rough, lose power, set warning ligh ... read more