Engine Front Cover Cleaning and Inspection for GMC Truck GMC Suburban - 2WD 1998

Important: Perform TDC Offset Recovery procedure if the timing chain, timing gears, engine front cover, crankshaft position sensor, crankshaft or other components affecting the timing are replaced.

1. Clean the old sealer from the sealing surfaces.
2. Inspect the front cover for cracks and damage to the sealing surfaces.