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Home >> GMC >> 1983 >> Forward Control 5.7 M, Automatic, 400/M40 >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> 4.1L 6-CYL - VIN [D] >> Removal & Installation >> Camshaft >> Installation

Removal & Installation: Camshaft: Installation

Coat camshaft lobes with Lubriplate (or equivalent). Reverse procedure to install camshaft, ensuring timing marks on gears are aligned. Take care to avoid damage to camshaft lobes or bearings. Install new valve lifters. Reassemble and install engine in vehicle. Change oil and oil filter. See Fig 1.

Fig 1: Timing Gear Mark Alignment
G91191
NOTE: Remove camshaft thrust plate bolts through access holes in camshaft gear.