Timing Chain: Installation
- Using Crankshaft Sprocket Installer (J-38612), install crankshaft sprocket. Install timing chain damper. Tighten damper bolts to specification. See TORQUE SPECIFICATIONS .
- Align crankshaft timing mark to timing mark on bottom of chain damper. Hold camshaft sprocket with chain hanging down, and install chain to crankshaft gear. Align timing mark on camshaft gear with timing mark on top of chain damper. See Fig 1.
- Install camshaft sprocket bolt. Lubricate chain with engine oil. Install timing chain front cover with NEW gasket. Tighten cover bolts to specification. See TORQUE SPECIFICATIONS . To install remaining components, reverse removal procedure.
Courtesy of GENERAL MOTORS CORP.