Rear shock replacement

  • 2WD
  • 70,350 MILES

How to replace rear shocks on 2002 Mercury Grand Marquis

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Friday, March 18th, 2011 AT 2:18 AM

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Special Tool(s)


WARNING: All vehicles are equipped with gas pressurized shock absorbers which will extend unassisted. Do not apply heat or flame to the shock absorbers during removal or component servicing. Failure to follow these instructions can result in personal injury.

CAUTION: Suspension fasteners are critical parts because they affect the performance of vital components and their failure can result in major service expense. They must be replaced with the same part number or an equivalent part if replacement is necessary. Do not use a replacement part of lesser quality or substitute design. Torque values must be used as specified during reassembly to ensure proper retention of these parts.

Vehicles equipped with air suspension

WARNING: The electrical power to the air suspension system must be turned off prior to hoisting, jacking or towing an air suspension vehicle. Failure to do so can result in unexpected inflation or deflation of the air springs, which can result in shifting of the vehicle during these operations.
Turn the air suspension service switch off

All vehicles

Raise and support the vehicle.

Use the special tool 014-00942or equivalent to support the rear axle.
Vehicles equipped with air suspension

WARNING: Do not remove an air spring under any circumstances when there is air pressure in the air springs Do not remove any components supporting an air spring without exhausting the air.
Release the air pressure from the air springs.

All vehicles

NOTE: Replace shock absorbers individually as required. It is not necessary to replace in pairs.
NOTE: To assist in removing the upper attachment on shock absorbers, use a plastic dust tube and place an open end wrench on the hex stamped into the dust tube's metal cap. For shock absorbers with a steel dust tube, simply grasp the tube to prevent stud rotation when loosening the retaining nut.

Remove the shock absorber upper retaining nut, washer and insulator from the stud on the upper side of the frame.

Remove and discard the nut. Disconnect the shock absorber lower stud from the mounting bracket on the rear axle assembly

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Friday, March 18th, 2011 AT 2:33 AM

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