How to Service and Repair the Front Rack and Pinion on 4x2 on Lincoln Navigator?

The procedure for 4x2 rack and pinion maintenance starts with setting front wheels to a straight-ahead position and turning off the ignition switch. A driver must switch off the air suspension control near the jack storage space in the passenger compartment rear section before any hoisting or jacking or towing of an air suspension vehicle because unexpected air spring inflation or deflation can shift the vehicle and pose safety risks. After setting neutral shift position, the vehicle should be positioned on a hoist. The hex holding feature should be used to stop the stud from rotating before removing two nuts to disconnect tie-rod ends from wheel knuckles. Begin by taking off the two bolts and the oil drip shield followed by disconnecting the lines from the frame rail retainers. It is crucial to avoid rotational movement of the intermediate shaft when it is separated from the rack and pinion since this motion could harm the clock spring; rotate the shaft if this occurs; the clock spring needs to be removed before recentering. The intermediate shaft-to-rack and pinion pinch bolt should be removed to disconnect the rack and pinion and intermediate shaft from each other with the power steering lines separated too. The O-ring seals will need replacement. The electrical connector disconnection for navigator vehicles requires rotating the actuator until it reveals the connector housing that faces the rack and pinion input shaft. Detach the two rack and pinion bracket-to-crossmember nuts and bolts before discarding them. Secure the steering lines outside the removal path of the rack and pinion before removing the two rack and pinion bracket-to-gear nuts and bolts and their accompanying brackets while discarding the nuts. In 4WD vehicles, keep the wheel end vacuum line away from the rack and pinion mounting fasteners prior to tightening the bolts for prevention of damage. Bolts attaching the bracket to the rack and pinion should be tightened first to prevent damage during subsequent bolts tightening between brackets and crossmembers (M12). The installation requires following the reversal of removal steps with new high-pressure line and return line O-ring seals and power steering system filling.

OEM Lincoln Navigator Rack And Pinion

Steering Rack And Pinion

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Lincoln Navigator Gear Assembly, Front Part Number: YL1Z-3504-BBRM
$304.71 MSRP: $500.73
You Save: $196.02 (40%)
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Product Specifications
- Other Name: Remanufactured Gear Assembly - Steering; Steering Gear Box, Front; Steering Gearbox
- Position: Front
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2002 Lincoln Navigator | Base | 8 Cyl 5.4 L GAS
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Lincoln Navigator Steering Gear, Front Part Number: EU2Z-3V504-BRM
$762.98 MSRP: $1225.45
You Save: $462.47 (38%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Remanufactured Gear Assembly - Steering; Rack And Pinion Rack Gear, Front; Rack and Pinion Assembly; Steering Gearbox; Gear Assembly
- Position: Front
- Replaces: BL1Z-3V504-ARM, STRV-89-RM, BL1Z-3504-A, STG-429
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2014 Lincoln Navigator | Base, L | 8 Cyl 5.4 L FLEX
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Lincoln Navigator Steering Gear Part Number: 6L7Z-3504-AARM
$603.36 MSRP: $994.00
You Save: $390.64 (40%)
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Product Specifications
- Other Name: Remanufactured Gear Assembly - Steering; Steering Gearbox; Gear Assembly
- Replaces: 6L7Z-3504-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2006 Lincoln Navigator | Base, Luxury, Ultimate | 8 Cyl 5.4 L GAS
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Lincoln Navigator Steering Gear, Front Part Number: FL1Z-3504-D
$1234.65 MSRP: $1981.82
You Save: $747.17 (38%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Gear Assembly - Steering; Rack And Pinion Rack Gear, Front; Steering Gearbox; Gear Assembly
- Position: Front
- Replaces: FL1Z-3504-A, FL1Z-3504-B, STE-147
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2014-2017 Lincoln Navigator | Base, L, L Reserve, L Select, Reserve, Select | 6 Cyl 3.5 L GAS, 8 Cyl 5.4 L FLEX
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Lincoln Navigator Sector Shaft, Front Part Number: F6AZ-3575-AA
$132.49 MSRP: $183.29
You Save: $50.80 (28%)
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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:
- 1998-2002 Lincoln Navigator | Base | 8 Cyl 5.4 L GAS
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Lincoln Navigator Steering Gear Part Number: NL1Z-3504-D
$674.40 MSRP: $986.67
You Save: $312.27 (32%)
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Product Specifications
- Other Name: Gear - Rack And Pinion Steering; Gear Assembly
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2022-2024 Lincoln Navigator | Base, Black Label, L Base, L Black Label, L Livery, L Reserve, Reserve | 6 Cyl 3.5 L GAS
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Lincoln Navigator Steering Gear Part Number: ML1Z-3504-A
$745.28 MSRP: $1190.91
You Save: $445.63 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Gear Assembly - Steering; Rack and Pinion Assembly; Steering Gearbox; Gear Assembly
- Replaced by: ML1Z-3504-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2018-2021 Lincoln Navigator | Base, Black Label, L Black Label, L Livery, L Reserve, L Select, Premiere, Reserve, Select | 6 Cyl 3.5 L GAS
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Lincoln Navigator Steering Gear Part Number: F7TZ-3504-ABRM
Product Specifications
- Other Name: Remanufactured Gear Assembly - Steering; Steering Gear Box; Steering Gearbox; Gear Box; Gear Assembly
- Manufacturer Note: Parts List No. 29 #SPA-KA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998-2002 Lincoln Navigator | Base | 8 Cyl 5.4 L GAS
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Lincoln Navigator Steering Gear, Front Part Number: AL1Z-3504-BRM
Product Specifications
- Other Name: Remanufactured Gear Assembly - Steering; Rack And Pinion Rack Gear, Front; Steering Gearbox; Gear Assembly; Gear Assembly - Steering
- Manufacturer Note: Remanufactured
- Position: Front
- Replaces: AL1Z-3504-B, 9L1Z-3504-A, STG-414
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2010 Lincoln Navigator | Base, L, L Luxury, L Ultimate, Luxury, Ultimate | 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L GAS

Lincoln Navigator Rack And Pinion

OEM Rack And Pinion boasts unmatched quality. Each part goes through full quality checks. They adhere to Lincoln's official factory standards. These steps remove flaws and inconsistencies. So you can get Rack And Pinion with long life and a perfect fit. Come to our website and find genuine Lincoln Navigator parts. We keep a wide inventory of OEM Navigator parts at the highly affordable prices. It's easy to search, compare, and pick what you need. You'll love the clear info and simple checkout. We offer top-rated customer service, and we reply fast. We also ship promptly to ensure your order arrives on time.

The Lincoln Navigator Rack And Pinion is an important link between the phenomenon of rotation of the steering with the wheels required at the front. This is called a rack and pinion system where gears are located in a metallic casing fixed on the car frame, while the shaft forms the Rack of the system. Present day vehicles, like the Lincoln Navigator, use power assisted; rack and pinion steering system where pressurized fluid helps in moving the rack side-ways within the steel tube to rotate the front wheels. Problems with Lincoln Navigator steering rack can occur due to a damaged or eroded sealing, leakage, or wear of the gears which manifest in forms such as stickiness in the wheel, grinding sound, or the tendency of the car to swerve. If there is too much play in the steering wheel or if the car has a tendency to pull to one side then it could be signal that indicates that one will need to replace the rack and pinion assembly. Nonetheless, some issues may be seen in the rack and pinion configuration, this system is considered to be one of the crucial parts of the vehicles' steering mechanism providing the driver with the necessary feedback and responsiveness.

Lincoln Navigator Rack And Pinion Parts and Q&A

Steering Gear
6L7Z-3504-AARM
Q: How to Service and Repair the Front Rack and Pinion on 4x2 on Lincoln Navigator?
A:
The procedure for 4x2 rack and pinion maintenance starts with setting front wheels to a straight-ahead position and turning off the ignition switch. A driver must switch off the Air Suspension control near the jack storage space in the passenger compartment rear section before any hoisting or jacking or towing of an air suspension vehicle because unexpected air spring inflation or deflation can shift the vehicle and pose safety risks. After setting neutral shift position, the vehicle should be positioned on a hoist. The hex holding feature should be used to stop the stud from rotating before removing two nuts to disconnect tie-rod ends from wheel knuckles. Begin by taking off the two bolts and the oil drip shield followed by disconnecting the lines from the frame rail retainers. It is crucial to avoid rotational movement of the intermediate shaft when it is separated from the rack and pinion since this motion could harm the Clock Spring; rotate the shaft if this occurs; the clock spring needs to be removed before recentering. The intermediate shaft-to-rack and pinion pinch bolt should be removed to disconnect the rack and pinion and intermediate shaft from each other with the power steering lines separated too. The O-ring seals will need replacement. The electrical connector disconnection for navigator vehicles requires rotating the actuator until it reveals the connector housing that faces the rack and pinion input shaft. Detach the two rack and pinion bracket-to-crossmember nuts and bolts before discarding them. Secure the steering lines outside the removal path of the rack and pinion before removing the two rack and pinion bracket-to-gear nuts and bolts and their accompanying brackets while discarding the nuts. In 4WD vehicles, keep the wheel end vacuum line away from the rack and pinion mounting fasteners prior to tightening the bolts for prevention of damage. Bolts attaching the bracket to the rack and pinion should be tightened first to prevent damage during subsequent bolts tightening between brackets and crossmembers (M12). The installation requires following the reversal of removal steps with new high-pressure line and return line O-ring seals and power steering system filling.