How to service and repair a water pump on Mercury Grand Marquis?

The service and repair of the water pump requires the draining of coolant as the initial step. The next step requires you to unwind the bolts before taking out the belt. The next step includes taking off bolts and the water pump pulley before extracting the water pump from the system. Thoroughly clean the surface where the water pump will mount. Installation of the water pump housing within the engine requires absolute restraint in preventing any rotation because such movement damages the O-ring seal which leads to fluid leakage. You need to add a new O-ring seal which must get lubrication by proper engine coolant. The installation procedure ends with performing the steps in reverse order of removal.

OEM Mercury Grand Marquis Water Pump

H2O Pump

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4 Water Pumps found

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Mercury Grand Marquis Water Pump
Part Number: 3L3Z-8501-CA
$51.84 MSRP: $83.64
You Save: $31.80 (39%)
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Product Specifications
- Other Name: Pump Assembly - Water; Engine Water Pump; Water Pump Assembly
- Manufacturer Note: With M30 Hub
- Replaced by: 5L3Z-8501-AC
- Replaces: 5R3Z-8501-A, 5L2Z-8501-A, 1L2Z-8501-BB, F7UZ-8501-CA, F8AZ-8501-AA, PW-470, PW-387, YW7Z-8501-AA, AR3Z-8501-A, F4AZ-8501-A, AL3Z-8501-B, PW-499, YR3Z-8501-AB, YC2Z-8501-BA, PW-466, XC2Z-8501-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1992-2000 Mercury Grand Marquis | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Water Pump
Part Number: 5W7Z-8501-AA
$76.18 MSRP: $122.91
You Save: $46.73 (39%)
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Product Specifications
- Other Name: Pump Assembly - Water; Engine Water Pump; Water Pump Assembly
- Replaced by: 9W7Z-8501-A
- Replaces: YW7Z-8501-BB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001-2011 Mercury Grand Marquis | GS, GSL, Limited Edition, LS, LSE, Ultimate Edition | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Water Pump
Part Number: FOAZ-8501-A
Product Specifications
- Other Name: Pump Assembly - Water; Engine Water Pump; Water Pump Assembly
- Manufacturer Note: INCLS. 8507 GASKET
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1988-1991 Mercury Grand Marquis | GS, LS | 8 Cyl 5.0 L GAS
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Mercury Grand Marquis Water Pump
Part Number: E6AZ-8501-B
Product Specifications
- Other Name: Pump Assembly - Water; Engine Water Pump; Water Pump Assembly; Pump
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1984-1987 Mercury Grand Marquis | Base, Colony Park, GS, LS | 8 Cyl 5.0 L GAS, 8 Cyl 5.8 L GAS

Mercury Grand Marquis Water Pump

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Mercury Grand Marquis Water Pump Parts Questions & Experts Answers

Water Pump
5W7Z-8501-AA
Q: How to service and repair a water pump on Mercury Grand Marquis?
A: The service and repair of the water pump requires the draining of coolant as the initial step. The next step requires you to unwind the bolts before taking out the belt. The next step includes taking off bolts and the water pump pulley before extracting the water pump from the system. Thoroughly clean the surface where the water pump will mount. Installation of the water pump housing within the engine requires absolute restraint in preventing any rotation because such movement damages the O-ring seal which leads to fluid leakage. You need to add a new O-ring seal which must get lubrication by proper engine coolant. The installation procedure ends with performing the steps in reverse order of removal.