Envoy 4WD V8-5.3L VIN M (2005)
Timing Component Alignment Marks: Locations
Important:
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Properly locate the camshaft sprocket locating pin with the camshaft sprocket alignment hole.
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The sprocket teeth and timing chain must mesh.
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The camshaft and the crankshaft sprocket alignment marks MUST be aligned properly. Locate the camshaft sprocket alignment mark in the 6
o'clock position.