Porsche 718 Cayman Water Pump Replacement at your home or office.

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Water Pump Replacement Service

How much does a Water Pump Replacement cost?

On average, the cost for a Porsche 718 Cayman Water Pump Replacement is $1096 with $676 for parts and $420 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
2018 Porsche 718 CaymanH4-2.0L TurboService typeWater Pump ReplacementEstimate$1816.06Shop/Dealer Price$2164.63 - $3186.02
2018 Porsche 718 CaymanH4-2.5L TurboService typeWater Pump ReplacementEstimate$1789.03Shop/Dealer Price$2132.30 - $3149.72
Show example Porsche 718 Cayman Water Pump Replacement prices

What is a water pump and how does it work?

The water pump is a belt or chain-driven engine accessory bolted to the engine above the crankshaft pulley. The pump housing has an impeller that circulates engine coolant through the cooling system passageways in the engine block and cylinder head, on to the radiator, where the coolant temperature is reduced. . The lower temperature coolant then flows back to the water inlet on the engine and the water pump continues the cycle.

When to consider replacing the water pump:

  • Coolant leaks or overheating. The water pump impeller shaft is supported by a bearing. Eventually, the bearing or seal can wear and leak or damage the impeller. Many water pumps have weep holes near the pump bearing. If you see significant leakage from that weep hole, it is time to replace the pump.
  • Bearing roughness or noise. If the water pump shaft does not turn smoothly or the pump is noisy, the bearing is excessively worn. Pump replacement will be necessary.
  • Timing belt replacement. In engines where the water pump is driven by the timing belt, it is a good idea to replace the water pump at the same time the timing belt is replaced. The extensive work explains why it is always recommended to replace the water pump whenever the mechanic already has these components removed for regularly scheduled timing belt replacement.

How do mechanics replace the water pump?

  • The water pump is usually bolted to the front of the engine. The replacement procedure will vary depending on whether the pump is driven by the timing belt, the serpentine belt, or chain.
  • On a cold engine, the engine coolant is drained to a level below the water pump.
  • Components that require removing to access the water pump are removed, including the belt or chain that directly drive the pump.
  • The bolts holding the pump to the engine are removed and the pump is pulled out.
  • The gasket surface must be cleaned and the pump mounting surface inspected. A new gasket, rubber seal, or RTV sealant, as required, is installed and then the new pump. The bolts are torqued in sequence using a calibrated inch pound torque wrench.
  • For applications where the water pump is driven by the timing belt, the timing belt must be removed. Typically, this requires removal of the crankshaft pulley, timing belt covers, and timing belt tensioner. Once the new pump is installed, new coolant is added back while bleeding the cooling system of any air. The engine is then run and brought to normal operating temperature to check for leaks and ensure normal operating temperature.

Is it safe to drive with a water pump problem?

No. Should the water pump only leak a little bit, you can drive the car. However, a small leak could suddenly enlarge or the pump bearing might unexpectedly seize. Either circumstance would likely cause engine overheating. If a defective water pump causes the overheating, it is not safe to drive because of the damage to the engine.

When replacing the water pump keep in mind:

  • It is best to install a new cooling system thermostat when you install a new water pump, especially if the thermostat is old or original.
  • Completely flushing the cooling system is a good idea when you replace the water pump. Flushing can be done before or after pump replacement.
  • The rest of the cooling system should be inspected too — particularly rubber hoses, which have a limited lifetime.

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Luis

30 years of experience
119 reviews
Luis
30 years of experience
Porsche 718 Cayman H4-2.0L Turbo - Oil Change - Barrington, Illinois
We was extremely careful in protecting my car...and would ask for him in the future.

Patrick

12 years of experience
159 reviews
Patrick
12 years of experience
Porsche 911 H6-3.8L - Water Pump - Anthem, Arizona
Patrick is super professional and honest. Very knowledgeable and a good person. Highly recommend him and Your Mechznic! Great company. It’s like the Iber or Mechanic companies!

John

33 years of experience
1126 reviews
John
33 years of experience
Porsche Cayenne V8-4.5L - Water Pump - Galveston, Texas
John was a great mechanic great attitude very competent Very professional way out of his way to explain what he did knew he was doing this company needs more mechanics like him

Mario

21 years of experience
110 reviews
Mario
21 years of experience
Porsche Boxster H6-2.5L - Water Pump - Fort Myers, Florida
Great mechanical knowledge and makes sure the job is done correctly.. will request Mario every time.

Excellent Rating

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Rating Summary
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Number of Porsche Water Pump Replacement services completed
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services done by our mechanics
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300+
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