General Motors — Remove valve lifters. Refer to VALVE LIFTERS
A General Motors service procedure — check it applies to your exact model before use.
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Before you start
- Installation
- bearing and balance shaft as a set only. Replace balance
- shaft timing gears as a set only.
- Front bearing is removed with balance shaft. Replace front
Procedure
- Remove the timing chain and the camshaft sprocket. Refer to TIMING CHAIN &
- Remove intake manifold. See INTAKE MANIFOLD . Using a soft-faced hammer, tap
- Apply oil to balance shaft bearings. Using Installers (J-36996 and J-8092), install
Specs & torque values
- ft. lbs. (20 N.m). Then tighten bolt an additional 35 degrees. To complete installation,
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.