Installation Procedure
- Clean the frame insulator opening.
- Apply a thin coat of rubber lubricant GM P/N 1051717 (Canadian P/N 5728223), or equivalent to the inside of the frame insulator opening.
- Apply a thin coat of rubber lubricant GM P/N 1051717 (Canadian P/N 5728223), or equivalent to the frame insulator.
- Install clamp J 45725 Installer onto the insulator about 1/8 inch from the top of the insulator.
- Align the split of the insulator to the front of the frame.
- Install J 45725 Installer to the insulator and the frame.
- Using J 45725 Installer install the insulator until the insulator is halfway recessed in the frame.
- Remove only the clamp J 45725 Installer.
- Using J 45725 Installer continue installing the insulator until the flange lip of the insulator is fully seated to the bottom of the frame.
- Remove J 45725 Installer from the insulator and the frame.
- Install the upper insulator.
- Raise the front of the frame.
- Install the front crossmember brace (1).
- Install the front frame to body bolts (2).
Tighten
Tighten the bolts to 110 N.m (81 lb ft) plus 90 degrees.
- Install the front crossmember brace bolts (3).
Tighten
Tighten the bolt to 50 N.m (37 lb ft).
- Remove the jackstand.
- Connect the intermediate shaft to the steering gear stub shaft. Refer to Intermediate Steering Shaft Replacement .
- Lower the vehicle.
CAUTION:
Refer to Fastener Caution .
NOTE:
If the frame insulator bolt does not screw in smoothly, run a tap through the frame nut in the body in order to remove foreign material. Ensure the tap does not punch through the underbody.
Do not over tighten the insulator. Over tightening may collapse a spacer or strip a bolt.