General Motors — remove crankshaft sprocket, use Sprocket Puller (J-5825-A).
A General Motors service procedure — check it applies to your exact model before use.
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Before you start
- On models equipped with CKP sensor, ensure CKP
- front cover upon installation.
- sensor is fully seated and held stationary in bore of
- 4 Qn models equinned with CKP sensor. install CKP sensor. Tighten CKP sensor hold
- models equipped with CKP sensor may result in
- dish. Dished side of CKP reluctor ring must face engine
- component damage and could affect system
- fully seated may result in erratic engine operation.
- marks align at TDC of cylinder No. 4.
- Failure to properly align CKP sensor reluctor ring on
- front cover.
- On 4.3L with balance shaft, the timing gear sprocket
- performance. CKP sensor reluctor ring is shaped like a
- A CKP sensor that is not
Procedure
- Install Woodruff key in crankshaft (if removed). Using Crankshaft Sprocket Installer
- Install and tighten camshaft sprocket bolts to specification. See TORQUE
- On models equipped with CKP sensor, install and align CKP sensor reluctor ring. See
- On all models, apply RTV sealant to Woodruff keyway in crankshaft balancer. Using
Tools required
- remove crankshaft sprocket, use Sprocket Puller (J-5825-A).
- 1. Install Woodruff key in crankshaft (if removed). Using Crankshaft Sprocket Installer
- Damper Puller/Installer (J-39046), install crankshaft balancer. Install crankshaft pulley.
- 5. On all models, apply RTV sealant to Woodruff keyway in crankshaft balancer. Using
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.