What does auxiliary water pump do?

The function of an auxiliary water pump Its primary use is circulating water by way of a bypass hose from the main coolant lines to a heater core. The heater core is used to collect heat and distribute warm air into your vehicle when the heater is turned on.

Does a VW Beetle have a water pump?

How to Replace Your VW Beetle Water Pump. As the timing belt has to be removed to get at the water pump, it’s a really good idea to replace it at the same time. When removing and replacing the timing belt, you have to make sure the camshaft and crankshaft are lined up with their respective timing marks.

How does a VW water pump fail?

VW water pump usually leaks from the following areas: Bad water pump bearings and seals usually cause a leak from the water pump shaft. Premature failure is typically due to contaminated antifreeze.

Are 1999 VW Beetles reliable?

The 1999 Volkswagen Beetle Reliability Rating is 3.5 out of 5. It ranks 12th out of 32 for all car brands.

Can auxiliary water pump cause overheating?

A failed pump will almost never cause the vehicle to overheat. If the auxiliary coolant pump is inoperative, the customer might notice reduced heater performance at low speeds and at idle.

Does the water pump affect the heater?

A leaking water pump can result in a low level of coolant. A water pump that isn’t providing proper cooling can cause the heater to not work.

How much is a water pump for a Volkswagen Beetle?

Volkswagen Beetle Water Pump Replacement Cost Estimate. Labor costs are estimated between $337 and $425 while parts are priced between $169 and $275. This range is based on the number and age of Volkswagen Beetle’s on the road.

How do you know when the water pump is bad?

5 Symptoms of a Failing Water Pump

  1. Coolant Leaking. One of the first signs of a potentially faulty water pump is a puddle of coolant on the ground where you’ve parked your car.
  2. Rust or Deposit Build-Up.
  3. Noise.
  4. Overheating.
  5. Steam.

How do you test an auxiliary water pump?

Cooling System Complications: Auxiliary Water Pumps

  1. The issue could be the auxiliary water pump.
  2. A scan tool can test the pump function in most vehicles, but it is also possible to test the system by pressing an HVAC control head button sequence listed in the service information.

How do I know if my water pump is broken?

Five Signs Your Water Pump Is Failing

  1. Overheating. A dead or dying water pump cannot circulate coolant through your vehicle’s engine and, as such, the engine will overheat.
  2. Coolant Leaks. Coolant leaks from the water pump are common and a clear sign that it’s time to replace the pump.
  3. Corroded Water Pump.
  4. Whining Noises.