Cleaning Procedure

WARNING: This page is about a different variant/trim than selected.

Clean the crankshaft with solvent.

Fig 1: View Of Camshaft
Courtesy of GENERAL MOTORS COMPANY

NOTE: Use care when handling the crankshaft. Avoid damage to the bearing surfaces or the lobes of the crankshaft position reluctor ring. Damage to the teeth of the crankshaft position reluctor ring may affect on-board diagnostic (OBD) II system performance.
Thoroughly clean all oil passages and inspect for restrictions or burrs.
Dry the crankshaft with compressed air.
WARNING: Refer to Safety Glasses and Compressed Air Warning .

NOTE: Reluctor ring teeth should not have imperfections on the rising or falling edges. Imperfections of the reluctor ring teeth may effect OBD II system performance.