Timing Chain Replacement
- Remove timing chain as outlined previously. Remove camshaft sprocket and timing chain. All other parts can now be inspected for wear, replace as necessary. If crankshaft sprocket needs replacement, remove with suitable gear puller (J-25031).
- Install timing sprocket and pinion gear, groove side toward front cover. Align key grooves with key on crankshaft, then drive into position with suitable installing tool (J-26587). Turn crankshaft so that key is turned toward cylinder head side and No. 1 and 4 cylinders are at top dead center.NOTE: Keep timing chain engaged with camshaft sprocket until sprocket is installed on camshaft.
- Align mark plate on timing chain with mark on crankshaft timing sprocket. Side of chain with mark plate is on front side, and side of chain with most links between mark plates is on chain guide side. Camshaft timing sprocket marked side, faces forward and marks align with timing chain mark plate. Install front cover.