Why does my belt keep coming off my car?
The serpentine belt need constant tension on the belt to keep it from coming off. If the belt alignment is not aligned then the belt may come off. When this is out of adjustment or the tensioner pulley itself is loose this may cause the belt to come off as you describe.
What causes a serpentine belt to snap?
Serpentine belts can fail in a few different ways. This is usually the result of a belt in poor condition, or a problem with one of the accessory components being driven by the belt. A failed bearing in a pulley being driven by the serpentine belt will also cause the belt to break.
Why does my VW Jetta have a water pump?
Water pumps are a very common problem for all Volkswagen vehicles unfortunately. A water pump transfers water and coolant from the radiator through your engine and back to the radiator to ensure the engine is running at an optimum level (90°C or 194°F).
What happens if you overheat a VW Jetta?
Overheating can cause a lot of expensive damage to the engine. A blow head gasket or a cracked head/block are much more expensive to repair than a thermostat or water pump. Your Jetta’s cooling system works by cycling the engine coolant from the engine through the radiator. The water pump pushes the water through the entire system.
When to replace a VW water pump timing belt?
When nearing a timing belt and VW water pump replacement (60,000 – 90,000 miles), many owners carefully research different VW timing belt kits and the individual components. If you’ve researched VW water pumps at all, you may have noticed a controversy regarding metal impellers and plastic impellers?
How does the cooling system work on a VW Jetta?
Your Jetta’s cooling system works by cycling the engine coolant from the engine through the radiator. The water pump pushes the water through the entire system. The thermostat opens up once the engine reaches operating temperature and allows coolant in. If any part of this system fails, your Jetta will eventually overheat.