Because of this belt pulley driven pump, the engine can start to overheat, if not immediately shut down. It never fails, it's hot or very cold outside than the sun, these pulley's decision to seize. Either way, you will be at the mercy of external factors, until help arrives. Here are some tips that will help prevent stranded along the side of the road, because whether it is to break the serpentine belt tension pulley bearings or seizure. ? at least 50,000 miles of serpentine belt in the past, if not more. Check the belt pulley, look in the operation of the thin band along the ribs, if they are cracked, it is time to replace the belt. Check the belt pulleys edge, the edge to see if there is wear and tear. Around the pulley side will eventually tear, and may cause major problems. Most of today's vehicles have two snake-like belt.

The longer the belt-driven power steering pumps, generators and water pumps. Shorter belts, usually located in the bottom and a little more to the engine driven air conditioning compressor is easy to see. Please refer to your manual, make sure you fully what kind of configuration. Located in the grill hood to display your specific vehicle configuration and the top of the belt routing label. ? tension pulley should be continued for at least 75,000 miles, if not more. If the self-contained spring / rubber bushing pulley Assembly will start to become weak vibration at idle and at an excessive rate. Pulley components can not run a real abnormal wear patterns on the conveyor belt; pulley General Assembly will need to be replaced at this time. If the bearings become dry in the beginning, usually you will hear a chirping sound from the engine.

This is not always the case. Bearings can seize without any warning signs before hand. To check the pulley, make sure the engine stalled. Loosen the serpentine belt, so there is tension pulley. Manually rotate the pulley, bearing sound, listen carefully. Pulley should turn freely without any resistance. There should be no noise from the bearings. If the wheel sounds dry or rough, then it is time to replace the tensioner assembly. This is a good idea to check each service interval serpentine belt. It is needed is a visual inspection, little time involved.