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General Motors — Service Procedure

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

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Before you start

  • Failure to properly align CKP sensor reluctor ring on
  • On 4.3L with balance shaft, the timing gear sprocket
  • On models equipped with CKP sensor, ensure CKP

Procedure

  1. Install Woodruff key in crankshaft (if removed). Using Crankshaft Sprocket Installer
  2. Install and tighten camshaft sprocket bolts to specification. See TORQUE
  3. On models equipped with CKP sensor, install and align CKP sensor reluctor ring. See

Tools required

  • to specification. See TORQUE SPECIFICATIONS
  • down bolt to specification. See TORQUE SPECIFICATIONS
  • 1. Install Woodruff key in crankshaft (if removed). Using Crankshaft Sprocket Installer
  • See TORQUE SPECIFICATIONS . To complete installation, reverse removal

Specs & torque values

  • Tighten to 35 ft. Ibs. (47 N.m).

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.