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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 457 (Engine Mechanical - 6.6L V8 Diesel) >> Overhaul >> Valve Train >> Valve Lifters

Valve Lifters

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Push roller towards roller lifter body and measure distance between bottom of roller and roller lifter body. The production value is 0.0389-0.0394" (0.989-1.0 mm) and service limit is 0.0354" (0.9 mm). Replace valve lifter if measurement exceeds service limit. Inspect valve lifter body for scuffing and wear, valve lifter roller assembly for wear and valve lifter roller for smooth rotation.

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