Replacing Guide Rail
Removal and Installation:
1. Set piston of No. 1 cylinder to TDC (arrow).
2. Remove timing case cover, Removal and Installation of Timing Case Cover.
3. Mark camshaft sprocket relative to camshaft (arrows).
4. Remove camshaft sprocket.
5. Unclip retaining lugs in direction of arrow and remove guide rail (68a).
Install in reverse order.