General Motors — Remove front cover bolts, front cover and gasket.

A General Motors service procedure — check it applies to your exact model before use.

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Procedure

1. On models equipped with CKP sensor, remove CKP sensor reluctor ring. See Fig. 6 .
2. On all models, rotate crankshaft until timing marks on camshaft and crankshaft
3. Remove camshaft sprocket and timing chain. To

Source: manual:1995 ENGINE 4.3L VIN W_text.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.