Assembly Procedure

Prior to reassembling the strut components, apply a small amount of lubricant to the strut rod and the inside of the jounce bumper. Refer to Adhesives, Fluids, Lubricants and Sealers .
Install the coil spring and upper strut mount to the J 45400 Strut Spring Compressor.
Turn the spring compressor forcing screw (1) until the coil spring is compressed.

Fig 1: View Of Compressor Forcing Screw & Coil Spring
Courtesy of GENERAL MOTORS COMPANY
Install the strut to the coil spring and upper strut mount.
Loosely install the strut retaining nut.
Using a socket or a wrench hold the strut rod.
With the wrench or socket holding the strut rod, use the J 42991 Strut Rod Nut Socket and a torque to install the upper strut mount nut. Tighten the strut mount nut to 85 N.m (63 lb ft).
CAUTION: Refer to Fastener Caution .
Remove the strut from the J 45400 Strut Spring Compressor.
Install the strut to the vehicle. Refer to Strut Assembly Removal and Installation .