Bmw e46 water pump

How much does it cost to replace a water pump on a BMW?

The average cost for a BMW 328i water pump replacement is between $651 and $730. Labor costs are estimated between $266 and $336 while parts are priced between $385 and $394.

How long does a BMW water pump last?

BMW’s have always had weak cooling systems. Meaning water pumps needing replacement every 60K and new radiators at 90K miles and you should probably replace your hoses at that point too.

How does a BMW e46 thermostat work?

The function of the thermostat is to open and close, allowing coolant to pass from the engine block to the radiator. This system maintains a constant temperature of the engine to prevent overheating. Even more, oil passing through your BMW’s engine block is also a form of liquid cooling.

Why do BMW Water Pumps Fail?

BMW water pumps in particular can begin to fail near the 80,000-mile mark. The water pump is made of a plastic material, and over time it’s normal for the plastic to begin cracking and corroding. Other issues with water pumps could be due to problems with the bearing or the impeller pieces.

What are signs of bad water pump?

Symptoms of a Bad or Failing Water Pump Coolant leak at the front-center of your car. Water pump pulley is loose and making whining sounds. Engine is overheating . Steam coming from your radiator.

Can I drive my car with a bad water pump?

However, it not advisable to keep driving a car with a bad water pump because it can lead to overheating which will eventually result in complete damage of your car engine. A car with a bad water pump can start and move but, cannot cover much mileage.

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How long do water pumps last?

60,000 to 90,000 miles

Is it hard to replace a water pump?

While removing the pump is not difficult , you must have experience removing and replacing timing belts and their various components. It takes just as much work to get down to the timing belt as it does the water pump , therefore you should plan on replacing the belt at the same time.

Do water pumps leak coolant?

When a water pump starts to leak , the cooling system will lose coolant . If the leak is not discovered, the loss of coolant will eventually cause the engine to overheat. If coolant is leaking out of the water pump shaft or vent hole, the water pump needs to be replaced.

Will Radweld fix water pump leak?

Radweld is compatible with coolant . Just pour and go. It seals holes in radiators, hoses, and the heater matrix. It seals holes in everything that Radweld does , and also seals leaks in the engine block ( coolant to air leaks ), cylinder head gasket, freeze plugs and water pump gaskets.

How long does a water pump last in a house?

15 years

How can you tell if your thermostat is open?

Start your car’s engine and allow it to idle. Look through the radiator filler neck to see if the coolant flows. At this time, it should not be flowing as your car has not reached the operating temperature to cause the thermostat to open . If you find the coolant is flowing, it means the thermostat valve is open .

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How do you know if your thermostat is working?

4 signs your thermostat is bad Sign #1: Your thermostat has no power or is unresponsive. Sign #2: Your heater or A/C won’t turn ON. Sign #3: Your A/C or heater runs constantly and won’t turn OFF. Sign #4: Room temperature and setting don’t match. Step #1: Make sure thermostat is on the right setting.

How do you tell if your thermostat is bad?

Symptoms of a Bad or Failing Thermostat Temperature gauge reading very high and engine overheating. The first and potentially most alarming symptom will be the temperature gauge reading high into the red within the first 15 minutes of your vehicle engine running. Temperature changing erratically. Coolant leaks around the thermostat housing or under the vehicle.

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