Subaru Legacy Water Pump Replacement at your home or office.

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$192.73 - $1,118.50

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Average rating from customers who
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Water Pump Replacement Estimate for Subaru Legacy

Subaru Legacy Water Pump Replacement costs $603 on average.

CarServiceEstimateShop/Dealer Price
2005 Subaru LegacyH4-2.5L TurboService typeWater Pump ReplacementEstimate$1026.27Shop/Dealer Price$1265.32 - $1882.69
2012 Subaru LegacyH4-2.5LService typeWater Pump ReplacementEstimate$1438.09Shop/Dealer Price$1781.52 - $2721.47
1991 Subaru LegacyH4-2.2L TurboService typeWater Pump ReplacementEstimate$1039.65Shop/Dealer Price$1284.18 - $1930.05
1996 Subaru LegacyH4-2.2LService typeWater Pump ReplacementEstimate$1001.27Shop/Dealer Price$1230.49 - $1835.13
2003 Subaru LegacyH4-2.5LService typeWater Pump ReplacementEstimate$946.57Shop/Dealer Price$1165.02 - $1726.32
1999 Subaru LegacyH4-2.2LService typeWater Pump ReplacementEstimate$1030.05Shop/Dealer Price$1277.05 - $1919.37
1999 Subaru LegacyH4-2.5LService typeWater Pump ReplacementEstimate$1122.65Shop/Dealer Price$1383.73 - $2084.48
1994 Subaru LegacyH4-2.2L TurboService typeWater Pump ReplacementEstimate$1238.09Shop/Dealer Price$1523.08 - $2310.91
Show example Subaru Legacy Water Pump Replacement prices

Service

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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Meet some of our expert Subaru mechanics

Real customer reviews from Subaru owners like you.

Excellent Rating


YourMechanic Subaru Legacy Service

Average Rating

4.9/5

Number of Reviews

252

Rating Summary
237
10
1
2
2
237
10
1
2
2
Robert

Robert

17 years of experience
436 reviews
Robert
17 years of experience
Subaru Legacy - Water Pump - Denver, Colorado
Robert was extremely knowledgeable and very friendly when he came to replace my water pump and timing belt for my 95 Subaru Legacy. He noticed that my alternator belt was worn, so I quickly grabbed one from the shop down the street and he replaced it at no charge. Robert was friendly enough to let me watch him work on the car from start to finish and answered all of my questions. Great guy, great work.
Steven

Steven

14 years of experience
65 reviews
Steven
14 years of experience
Subaru Legacy - Water Pump - Folsom, California
Nice guy, professional work attitude. Arrived early, got the job done quickly. Provided recap of the service afterwards. Would recommend
Whitney

Whitney

36 years of experience
783 reviews
Whitney
36 years of experience
Subaru Legacy - Water Pump - San Jose, California
Nicholas

Nicholas

8 years of experience
269 reviews
Nicholas
8 years of experience
Subaru Legacy - Brake Pads Replacement (Rear) - Houston, Texas
great

Excellent Rating


YourMechanic Subaru Legacy Service

Average Rating

4.9/5

Number of Reviews

252

Rating Summary
237
10
1
2
2
237
10
1
2
2
Red-stars EXCELLENT RATING ON
Number of Subaru Legacy services completed
2772+
services done by our mechanics
TOTAL NUMBER OF EXPERT Subaru MECHANICS
500+
experts on our platform

How can we help?

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