Timing Chain & Sprockets: Removal
WARNING: This page is about a different variant/trim than selected.
- Position No. 1 piston at TDC of compression stroke. Remove timing chain cover. See TIMING CHAIN COVER . Remove oil pan. See OIL PAN .
- Ensure all timing marks are aligned. See Figure. Check camshaft end play. If end play is not within specification, replace camshaft thrust plate. See CAMSHAFT table under ENGINE SPECIFICATIONS.
- Retract timing chain tensioner and install packaging clip from new tensioner or one that you have fabricated. Remove camshaft sprocket retaining bolt and crankshaft sprocket Woodruff key. Remove tensioner and guide rail; replace worn parts as necessary. Remove crankshaft, camshaft sprockets and timing chain as an assembly.
- If crankshaft sprocket is difficult to remove, carefully pry off with a pair of screwdrivers positioned evenly on sprocket.