How to service and repair the steering knuckle on 2009 Mercury Mountaineer?

Remove wheel/tire. Replace halfshaft nut (250 Nm). Separate CV joint.Support caliper/ anchor plate; change bolts (165 Nm).Take off disc and sensor bracket; take off sensor.Replace tie-rod nut (103 Nm).Use lower (150 Nm) and upper (55 Nm) ball-joint nuts; part joints with pullers, no hammer; cut knuckle.Reinstall; check alignment.

OEM 2009 Mercury Mountaineer Steering Knuckle

Front Steering Knuckle

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2 Steering Knuckles found

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2009 Mercury Mountaineer Knuckle, Front Driver Side Part Number: 7L2Z-3K186-A
Product Specifications
- Other Name: Knuckle - Front Wheel; Steering Knuckle, Front Left
- Position: Front Driver Side
- Replaces: 6L2Z-3K186-A
- Base No.: 3K185
- Item Weight: 24.70 Pounds
- Item Dimensions: 20.8 x 18.2 x 6.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 7L2Z-3K186-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2009 Mercury Mountaineer Submodels:
- Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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2009 Mercury Mountaineer Knuckle, Front Passenger Side Part Number: 7L2Z-3K185-A
Product Specifications
- Other Name: Knuckle - Front Wheel; Steering Knuckle, Front Right
- Position: Front Passenger Side
- Replaces: 6L2Z-3K185-A
- Base No.: 3K185
- Item Weight: 25.80 Pounds
- Item Dimensions: 9.6 x 21.1 x 13.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 7L2Z-3K185-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2009 Mercury Mountaineer Submodels:
- Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS

2009 Mercury Mountaineer Steering Knuckle

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2009 Mercury Mountaineer Steering Knuckle Parts Q&A

Q: How to service and repair the steering knuckle on 2009 Mercury Mountaineer?
A: Remove wheel/tire. Replace halfshaft nut (250 Nm). Separate CV joint.Support caliper/ anchor plate; change bolts (165 Nm).Take off disc and sensor bracket; take off sensor.Replace tie-rod nut (103 Nm).Use lower (150 Nm) and upper (55 Nm) ball-joint nuts; part joints with pullers, no hammer; cut knuckle.Reinstall; check alignment.