How to Service and Repair the Power Steering Cooler on Mercury Grand Marquis?

The power steering cooler servicing requires starting with air cleaner assembly removal. Start by taking out the bolt together with its attached bracket from one side before performing the same procedure on the other side. The hoses should be disconnected completely from their endings. Follow the bolt removal from one side by performing the same operation on the other side. Delivering pressure on the radiator platform extracts the power steering cooler. Reverse the removal steps to reinstall the system before system filling and leak checking the entire system.

How to Ensure Proper Functioning of the Power Steering Cooler in a Mercury Mariner?

Draining power steering fluid into a suitable drain container serves as the starting point for servicing the power steering cooler. Remove the front bumper cover from the starting point. First disconnect the hose between the power steering cooler and fluid reservoir by loosening its clamp and then disconnect the hose linking power steering gear-to-cooler return after unclamping. Secure the two power steering cooler nuts at 10 Nm (89 inch lbs.) after installation. The two power steering cooler bolts must be removed keeping them tightened to 10 Nm (89 inch lbs.) before reinstallation. To install the power steering system begin by following the same reversal order of removal and then refill the power steering system. Contaminants must be avoided at every step of the procedure because their entry leads to early failure of power steering components.

How to Service the Power Steering Cooler on Mercury Cougar?

Service of the power steering cooler requires the battery ground cable to be disconnected followed by vehicle elevation and support. Then eliminate the radiator splash shield before disconnecting cooler lines to drain fluid into a valid receptacle. Draining the system requires removal of the cooler component. Follow the inverse order of removal steps while installing the cooling system, also perform power steering system bleeding after final installation.

OEM Mercury Power Steering Cooler

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24 Power Steering Coolers found

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Mercury Oil Cooler, Front
Part Number: YL5Z-3D746-BA
$161.95 MSRP: $224.04
You Save: $62.09 (28%)
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Product Specifications
- Other Name: Coil - Cooling; Power Steering Cooler, Front; Power Steering Cooler; Oil Cooler Assembly
- Manufacturer Note: with torsion bar front suspension
- Position: Front
- Replaces: F77Z-3D746-DA
Fits the following Mercury Models:
- Mountaineer | 1998-2001 | Base | 6 Cyl 4.0 L GAS
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Mercury Oil Cooler, Front
Part Number: 9G1Z-3D746-A
$184.14 MSRP: $284.17
You Save: $100.03 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Coil - Cooling; Power Steering Cooler, Front; Power Steering Cooler
- Manufacturer Note: Unfinned cooling tube
- Position: Front
- Replaces: 8A5Z-3D746-A, 8G1Z-3D746-A
Fits the following Mercury Models:
- Sable | 2008-2009 | Base, Premier | 6 Cyl 3.5 L GAS
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Mercury Oil Cooler
Part Number: 1L2Z-3D746-AA
$267.20 MSRP: $369.64
You Save: $102.44 (28%)
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Product Specifications
- Other Name: Coil - Cooling; Power Steering Return Hose; Power Steering Cooler; Power Steerin Cooler
Fits the following Mercury Models:
- Mountaineer | 2002-2005 | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS
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Mercury Power Steering Return Hose, Front
Part Number: 3L8Z-3D746-AA
$112.78 MSRP: $156.01
You Save: $43.23 (28%)
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Product Specifications
- Other Name: Coil - Cooling; Power Steering Cooler Line, Front; Power Steering Hose; Power Steering Cooler Tube
- Position: Front
- Replaces: YL8Z-3D746-AA
Fits the following Mercury Models:
- Mariner | 2005-2007 | Base, Convenience, Hybrid, Luxury, Premier | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
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Mercury Power Steering Cooler
Part Number: 5W1Z-3F749-A
$248.91 MSRP: $365.50
You Save: $116.59 (32%)
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Product Specifications
- Other Name: Coil - Cooling; Power Steerin Cooler
- Manufacturer Note: Transmission & power steering cooler, with and without Police
- Replaces: 3W1Z-3F749-AA
Fits the following Mercury Models:
- Grand Marquis | 2003-2005 | GS, GSL, Limited Edition, LS, LSE, Ultimate Edition | 8 Cyl 4.6 L GAS
- Marauder | 2003-2004 | Base | 8 Cyl 4.6 L GAS
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Mercury Oil Cooler, Front
Part Number: 6F9Z-3D746-A
$127.47 MSRP: $196.17
You Save: $68.70 (36%)
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Product Specifications
- Other Name: Coil - Cooling; Power Steering Cooler, Front; Power Steering Cooler Tube; Power Steering Cooler
- Position: Front
- Replaces: 5F9Z-3D746-AA
Fits the following Mercury Models:
- Montego | 2005-2007 | Luxury, Premier | 6 Cyl 3.0 L GAS
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Mercury Power Steering Oil Cooler
Part Number: F8CZ-3D746-AA
$8.93 MSRP: $12.35
You Save: $3.42 (28%)
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Product Specifications
- Other Name: Coil - Cooling; Power Steering Cooler; Power Steering Cooler Tube
- Manufacturer Note: 2 Door Coupe
Fits the following Mercury Models:
- Tracer | 1998-1999 | GS, LS, Trio | 4 Cyl 2.0 L GAS
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Mercury Power Steering Cooler
Part Number: 8W1Z-3D746-A
$143.06 MSRP: $197.91
You Save: $54.85 (28%)
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Product Specifications
- Other Name: Coil - Cooling
- Replaces: 6W1Z-3D746-AA
Fits the following Mercury Models:
- Grand Marquis | 2006-2011 | GS, LS | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Mercury Power Steering Cooler, Front
Part Number: F6DZ-3D746-C
$52.90 MSRP: $71.98
You Save: $19.08 (27%)
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Product Specifications
- Other Name: Coil - Cooling; Power Steering Cooler, Front
- Position: Front
Fits the following Mercury Models:
- Sable | 1996-2003 | GS, LS, LS Premium | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Power Steering Cooler, Front
Part Number: F8DZ-3F749-CA
Product Specifications
- Other Name: Coil - Cooling; Power Steering Cooler, Front; Cooler Assembly
- Position: Front
- Replaces: F7DZ-3F749-AA, F7DZ-3F749-BA
Fits the following Mercury Models:
- Sable | 1997-2005 | GS, LS, LS Premium | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Oil Cooler
Part Number: F5AZ3D746A
Product Specifications
- Other Name: Coil - Cooling; Power Steering Cooler; Power Steering Oil Cooler
Fits the following Mercury Models:
- Grand Marquis | 1995-2002 | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Oil Cooler
Part Number: AL2Z-3D746-A
Product Specifications
- Other Name: Coil - Cooling; Power Steering Return Hose; Power Steering Cooler; Power Steering Hose; Return Hose
- Replaces: 7L2Z-3D746-A, 8L2Z-3D746-B, 9L2Z-3D746-A, 8L2Z-3D746-A
Fits the following Mercury Models:
- Mountaineer | 2006-2010 | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Power Steering Cooler
Part Number: F5AZ3D746B
Product Specifications
- Other Name: Coil - Cooling; Power Steering Oil Cooler
Fits the following Mercury Models:
- Grand Marquis | 1995-1997 | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Power Steering Cooler, Front
Part Number: F6DZ-3D746-A
Product Specifications
- Other Name: Coil - Cooling; Power Steering Cooler, Front
- Position: Front
Fits the following Mercury Models:
- Sable | 1996-2003 | G, GS, LS, LS Premium | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Power Steering Cooler, Front
Part Number: F87Z-3D746-CA
Product Specifications
- Other Name: Coil - Cooling; Power Steering Cooler, Front; Oil Cooler Assembly
- Manufacturer Note: 5.0L
- Position: Front
Fits the following Mercury Models:
- Mountaineer | 1998-2001 | Base | 8 Cyl 5.0 L GAS
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Mercury Power Steering Cooler, Front
Part Number: F8DZ-3F749-DA
Product Specifications
- Other Name: Coil - Cooling; Power Steering Cooler, Front
- Position: Front
Fits the following Mercury Models:
- Sable | 2000-2005 | GS, LS, LS Premium, Platinum Edition | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Power Steering Cooler
Part Number: XF5Z-3D746-AA
Product Specifications
- Other Name: Coil - Cooling
- Manufacturer Note: (B) see 3F682(B) for 93/95 & 3A713(D) for 96/97, BEFORE 3/1/01
Fits the following Mercury Models:
- Villager | 1999-2002 | Base, Estate, Sport | 6 Cyl 3.3 L GAS
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Mercury Cooler Assembly
Part Number: XS2Z3D746EA
Product Specifications
- Other Name: Coil - Cooling; Power Steering Cooler
Fits the following Mercury Models:
- Mystique | 1999-2000 | GS | 4 Cyl 2.0 L GAS
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Mercury Power Steering Cooler
Part Number: XS8Z-3D746-MA
Product Specifications
- Other Name: Coil - Cooling; Power Steering Oil Cooler
- Manufacturer Note: Power steering cooler only - top tube is finned, bottom tube is unfinned., A/T or M/T
Fits the following Mercury Models:
- Cougar | 1999-2002 | Base, S, V6 | 4 Cyl 2.0 L GAS, 6 Cyl 2.5 L GAS
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Mercury Oil Cooler
Part Number: YW1Z-3F749-AB
Product Specifications
- Other Name: Coil - Cooling; Power Steering Cooler; Power Steering Oil Cooler
Fits the following Mercury Models:
- Grand Marquis | 1998-2002 | GS, LS | 8 Cyl 4.6 L GAS

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Mercury Power Steering Cooler Parts Questions & Experts Answers

Oil Cooler
YW1Z-3F749-AB
Q: How to Service and Repair the Power Steering Cooler on Mercury Grand Marquis?
A: The power steering cooler servicing requires starting with air cleaner assembly removal. Start by taking out the bolt together with its attached bracket from one side before performing the same procedure on the other side. The hoses should be disconnected completely from their endings. Follow the bolt removal from one side by performing the same operation on the other side. Delivering pressure on the radiator platform extracts the power steering cooler. Reverse the removal steps to reinstall the system before system filling and leak checking the entire system.
Power Steering Return Hose, Front
3L8Z-3D746-AA
Q: How to Ensure Proper Functioning of the Power Steering Cooler in a Mercury Mariner?
A: Draining power steering fluid into a suitable drain container serves as the starting point for servicing the power steering cooler. Remove the front bumper cover from the starting point. First disconnect the hose between the power steering cooler and fluid reservoir by loosening its clamp and then disconnect the hose linking power steering gear-to-cooler return after unclamping. Secure the two power steering cooler nuts at 10 Nm (89 inch lbs.) after installation. The two power steering cooler bolts must be removed keeping them tightened to 10 Nm (89 inch lbs.) before reinstallation. To install the power steering system begin by following the same reversal order of removal and then refill the power steering system. Contaminants must be avoided at every step of the procedure because their entry leads to early failure of power steering components.
Power Steering Cooler
XS8Z-3D746-FA
Q: How to Service the Power Steering Cooler on Mercury Cougar?
A: Service of the power steering cooler requires the battery ground cable to be disconnected followed by vehicle elevation and support. Then eliminate the radiator splash shield before disconnecting cooler lines to drain fluid into a valid receptacle. Draining the system requires removal of the cooler component. Follow the inverse order of removal steps while installing the cooling system, also perform power steering system bleeding after final installation.