gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Drivetrain - Booming Noise at Highway Speeds|Page 4461 > < Drivetrain - Booming Noise at Highway Speeds
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1.

Place the template (1), P/N 15005879, on the bottom surface of the triangular flanged portion of the rear axle.

2.

Mark the hole locations.

3.

Using a pin punch (1), mark the center location of the holes.

4.

Drill a 11 mm (0.44 in) diameter hole in two places.

5.

Clean out the holes, including the top and bottom surface of the axle.

Drivetrain - Booming Noise at Highway Speeds|Page 4461 > < Drivetrain - Booming Noise at Highway Speeds