Can a bad water pump cause no heat in the car?
Yes, a bad water pump can cause no heat. This is because the water pump is what circulates the coolant through the engine and heater core. If it has failed, it is unable to pump the coolant properly, resulting in little to no coolant circulating through the vehicles heater core causing no heat.
How do you troubleshoot a car water pump?
There are several safe ways to inspect if your car may need a replacement water pump.
- Step 1: Check the temperature gauge.
- Step 2: Listen for noises.
- Step 3: Check the air temperature.
- Step 4: Check water pump pulley.
- Step 5: Check for leaks.
- Step 6: Inspect the coolant reservoir.
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.
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.
What causes a Volkswagen Jetta head gasket to blow?
If your Jetta’s engine gets hot enough, the coolant will begin to boil over and manifest itself as steam coming up from under the hood. It does this to relieve the pressure on the cooling system before lasting damage can be done to it. 3. Blown Head Gasket
What happens to the engine when a water pump fails?
3. Engine is overheating. When the water pump fails completely, it will not be able to circulate coolant through the engine block. This results in an overheating situation and if not repaired or replaced quickly, can cause additional engine damage like cracked cylinder heads, pushed head gaskets, or burnt pistons.