What Precautions Should Be Taken Before Beginning Service on the Rack and Pinion Steering Gear on Mercury Grand Marquis?

Deactivate the power of the air suspension system before servicing, so as to avoid unexpected inflation. Put the vehicle in a neutral position and the steering straight. Disassemble an intermediate shaft, tie rods and rack and pinion, changing O-rings and tightening all parts according to the directives. Lastly, check and refill.

How to service and repair the front rack and pinion steering gear on Mercury Grand Marquis?

Service rack-and-pinion: replace new O-rings whenever lines are not connected. Shut off air suspension, lock wheel straight and do not rotate the intermediate shaft (recenter Clock Spring rotated). Disassemble intermediate shaft, wheels / tires, tie-rods, lines (drain fluid) and electrical; dismount rack. Installation Re-Install, reverse, new high/return hose O-rings; fill and leak seal.

OEM Mercury Grand Marquis Rack And Pinion

Steering Rack And Pinion

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11 Rack And Pinions found

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Mercury Grand Marquis Steering Gear Part Number: 8W7Z-3504-ARM
$460.39 MSRP: $729.09
You Save: $268.70 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Remanufactured Gear Assembly - Steering; Rack and Pinion Assembly; Steering Gearbox; Gear Assembly; Steering Gear Assembly; Gear Assembly - Steering
- Replaces: STG-304, 8W7Z-3504-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008-2011 Mercury Grand Marquis | GS, LS | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Steering Gear Part Number: 7W1Z-3504-BRM
$425.97 MSRP: $684.33
You Save: $258.36 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Remanufactured Gear Assembly - Steering; Rack and Pinion Assembly; Steering Gearbox; Gear Assembly; Steering Gear Assembly; Gear Assembly - Steering
- Replaces: 7W1Z-3504-B, 6W1Z-3504-B, STG-247
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2008 Mercury Grand Marquis | GS, LS | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Steering Gear Part Number: 3W1Z-3504-FARM
$406.39 MSRP: $684.33
You Save: $277.94 (41%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Remanufactured Gear Assembly - Steering; Rack and Pinion Assembly; Steering Gearbox; Rack & Pinion; Gear Assembly; Gear Assembly - Steering
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2005 Mercury Grand Marquis | GS, GSL, Limited Edition, LS, LSE, Ultimate Edition | 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Sector Shaft, Front Part Number: F6AZ-3575-AA
$132.49 MSRP: $183.29
You Save: $50.80 (28%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Shaft - Steering Gear Sector; Steering Gear Sector Shaft, Front; Pitman Shaft; Shaft & Sector
- Position: Front
- Replaces: EOAZ-3575-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1984-2002 Mercury Grand Marquis | Base, Colony Park, GS, LS | 8 Cyl 4.6 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.8 L GAS
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Mercury Grand Marquis Steering Gear Part Number: F7AZ-3504-FDRM
Product Specifications
- Other Name: Remanufactured Gear Assembly - Steering; Steering Gearbox; Gear Assembly; Steering Gear Assembly; Gear Assembly - Steering
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-2002 Mercury Grand Marquis | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Steering Gear Part Number: 7W1Z-3504-ARM
$390.02 MSRP: $616.36
You Save: $226.34 (37%)
Product Specifications
- Other Name: Remanufactured Gear Assembly - Steering; Steering Gearbox; Gear Assembly; Steering Gear Assembly; Gear Assembly - Steering
- Replaces: 6W1Z-3504-A, 7W1Z-3504-A, STG-246
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006 Mercury Grand Marquis | GS, LS | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Steering Gear Part Number: F8AZ-3504-BCRM
Product Specifications
- Other Name: Gear Assembly - Steering; Steering Gearbox; Gear Assembly
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1984-1991 Mercury Grand Marquis | Base, Colony Park, GS, LS | 8 Cyl 5.0 L GAS, 8 Cyl 5.8 L GAS
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Mercury Grand Marquis Steering Gear Part Number: F7AZ-3504-ECRM
Product Specifications
- Other Name: Remanufactured Gear Assembly - Steering; Steering Gearbox; Gear Assembly; Steering Gear Assembly; Gear Assembly - Steering
- Manufacturer Note: without handling package, base model
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-2002 Mercury Grand Marquis | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Steering Gear Part Number: F8AZ-3504-ACRM
$256.69 MSRP: $406.15
You Save: $149.46 (37%)
Product Specifications
- Other Name: Remanufactured Gear Assembly - Steering; Steering Gearbox; Gear Assembly; Steering Gear Assembly; Gear Assembly - Steering
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1992-1996 Mercury Grand Marquis | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Idle Speed Control Part Number: EOAZ-3575-A
Product Specifications
- Other Name: Shaft - Steering Gear Sector; Idle Air Control Valve; Idle Control Motor; Sector Shaft; Pitman Shaft; Pressure Metering Valve; Shaft & Sector; Shaft
- Replaced by: F6AZ-3575-AA
- 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
View related parts
Mercury Grand Marquis Steering Gear Part Number: 8W7Z-3504-BRM
$460.39 MSRP: $729.09
You Save: $268.70 (37%)
Product Specifications
- Other Name: Remanufactured Gear Assembly - Steering; Rack and Pinion Assembly; Steering Gearbox; Gear Assembly; Steering Gear Assembly; Gear Assembly - Steering
- Replaces: STG-352, 8W7Z-3504-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008-2011 Mercury Grand Marquis | GS, LS | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS

Mercury Grand Marquis Rack And Pinion

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Mercury Grand Marquis Rack And Pinion Parts and Q&A

Steering Gear
7W1Z-3504-ARM
Q: What Precautions Should Be Taken Before Beginning Service on the Rack and Pinion Steering Gear on Mercury Grand Marquis?
A: Deactivate the power of the Air Suspension system before servicing, so as to avoid unexpected inflation. Put the vehicle in a neutral position and the steering straight. Disassemble an intermediate shaft, Tie Rods and rack and pinion, changing O-rings and tightening all parts according to the directives. Lastly, check and refill.
Steering Gear
3W1Z-3504-FARM
Q: How to service and repair the front rack and pinion steering gear on Mercury Grand Marquis?
A: Service rack-and-pinion: replace new O-rings whenever lines are not connected. Shut off Air Suspension, lock wheel straight and do not rotate the intermediate shaft (recenter Clock Spring rotated). Disassemble intermediate shaft, wheels / tires, tie-rods, lines (drain fluid) and electrical; dismount rack. Installation Re-Install, reverse, new high/return hose O-rings; fill and leak seal.