Engine Auxiliary Water Pumps

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What is an engine auxiliary water pump?

An engine auxiliary water pump is a secondary water pump, typically located in the rear of the engine, that helps keep the engine cool. It helps circulate coolant from the radiator to the engine.

What is the purpose of an engine auxiliary water pump?

The purpose of an engine auxiliary water pump is to supplement the main water pump and to help circulate coolant from the radiator to the engine. This helps keep the engine cool and prevents it from overheating.

How do I know if my engine auxiliary water pump is faulty?

There are several signs that can indicate a faulty engine auxiliary water pump. These include:

  1. Reduced engine power
  2. Overheating of the engine
  3. Leaks in the engine coolant system
  4. Strange noises coming from the engine


Can a faulty engine auxiliary water pump cause damage?

Yes, a faulty engine auxiliary water pump can cause damage. If the engine overheats due to a faulty water pump, this can cause damage to the engine and the surrounding components.

How do I replace an engine auxiliary water pump?

Replacing an engine auxiliary water pump can be a difficult task and it is highly recommended that you seek professional help. However, if you choose to do it yourself, the steps for replacing an engine auxiliary water pump are as follows:

  1. Disconnect the battery and wait for the engine to cool down.
  2. Drain the coolant and remove the radiator hoses.
  3. Unbolt the water pump and remove it from the engine.
  4. Install the new water pump and reattach the hoses.
  5. Refill the coolant and reconnect the battery.


How often should I inspect my engine auxiliary water pump?

It is recommended that you inspect your engine auxiliary water pump at least once a year or every 10,000 miles, whichever comes first. This will ensure that the water pump is functioning properly and will help prevent any damage to the engine.