How to remove and install a control arm on a Mercury Mariner?

Loosen wheel lug nuts, raise vehicle, support securely on jackstands, remove wheel. Remove pinch bolt securing ball joint to control arm. Use pry bar to disconnect control arm from steering knuckle. Remove nut and pry ball joint out of steering knuckle. Remove control arm front pivot bolt and rear mounting bolt. Check for distortion and wear, replace parts as needed. Do not straighten bent control arm. Installation is reverse of removal. Tighten all fasteners to torque values. Before tightening pivot bolt and rear bolt, raise control arm with floor jack to simulate normal ride height. Install wheel, lower vehicle, tighten lug nuts. Check and adjust front wheel alignment if necessary.

Genuine Mercury Mariner Control Arm

Suspension Arm

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4 Control Arms found

View related parts
Mercury Mariner Arm Assembly - Front Suspension
Part Number: 6L8Z-3078-AA
$93.27 MSRP: $151.09
You Save: $57.82 (39%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Lower Control Arm
- Position: Passenger Side
- Replaces: 5L8Z-3078-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2011 Mercury Mariner | 4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 4 Cyl 2.5L Duratec (110kW/150PS), 4 Cyl 2.5L PFI Gas/Electric, 6 Cyl 3.0L DOHC EFI Modular, 6 Cyl 3.0L OHC Duratec | 4AT CD4E, 5-Speed Manual Transmission, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Right Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive), Two-Wheel Drive (Right Hand Drive)
View related parts
Mercury Mariner Arm Assembly - Front Suspension
Part Number: 6L8Z-3079-AA
$88.11 MSRP: $142.73
You Save: $54.62 (39%)
ADD TO CART
Product Specifications
- Other Name: Lower Control Arm
- Position: Driver Side
- Replaces: 5L8Z-3079-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2011 Mercury Mariner | 4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 4 Cyl 2.5L Duratec (110kW/150PS), 4 Cyl 2.5L PFI Gas/Electric, 6 Cyl 3.0L DOHC EFI Modular, 6 Cyl 3.0L OHC Duratec | 4AT CD4E, 5-Speed Manual Transmission, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Right Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive), Two-Wheel Drive (Right Hand Drive)
View related parts
Mercury Mariner Arm Assembly - Front Suspension
Part Number: 5L8Z-3079-AA
$86.35 MSRP: $142.73
You Save: $56.38 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Arm Assy - Front Suspension
- Position: Driver Side
- Replaced by: 6L8Z-3079-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2006 Mercury Mariner | 4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 6 Cyl 3.0L DOHC EFI Modular | 4AT CD4E, 5-Speed Manual Transmission, 5-Speed Manual Transmission - AK, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Right Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive), Two-Wheel Drive (Right Hand Drive)
View related parts
Mercury Mariner Arm Assembly - Front Suspension
Part Number: 5L8Z-3078-AA
$91.41 MSRP: $151.09
You Save: $59.68 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Arm Assy - Front Suspension
- Position: Passenger Side
- Replaced by: 6L8Z-3078-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2006 Mercury Mariner | 4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 6 Cyl 3.0L DOHC EFI Modular | 4AT CD4E, 5-Speed Manual Transmission, 5-Speed Manual Transmission - AK, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Right Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive), Two-Wheel Drive (Right Hand Drive)

Mercury Mariner Control Arm Parts Questions & Experts Answers

Arm Assembly - Front Suspension
5L8Z-3079-AA
Q: How to remove and install a control arm on a Mercury Mariner?
A: Loosen wheel lug nuts, raise vehicle, support securely on jackstands, remove wheel. Remove pinch bolt securing ball joint to control arm. Use pry bar to disconnect control arm from Steering Knuckle. Remove nut and pry ball joint out of steering knuckle. Remove control arm front pivot bolt and rear mounting bolt. Check for distortion and wear, replace parts as needed. Do not straighten bent control arm. Installation is reverse of removal. Tighten all fasteners to torque values. Before tightening pivot bolt and rear bolt, raise control arm with floor jack to simulate normal ride height. Install wheel, lower vehicle, tighten lug nuts. Check and adjust front wheel alignment if necessary.