gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Drum Brake System > < Burnishing Pads and Rotors|Page 9789
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3. After applying a non-directional finish, clean each friction surface of the brake rotor with denatured alcohol, or an equivalent approved brake

cleaner

13. Remove the brake rotor from the brake lathe.
14. Measure the assembled Lateral Runout (LRO) of the brake rotor to ensure optimum performance of the disc brakes.
15. If the brake rotor assembled LRO measurement exceeds the specification, bring the LRO to within specifications.

Drum Brake System > < Burnishing Pads and Rotors|Page 9789