Envoy 2WD L6-4.2L (2008)
18. Remove the tee in the timing chain tensioner to regain tension on the timing chain.
19. Remove the J 44221 .
20. The dark lines (1) on the chain should be aligned with the marks on the sprockets as shown.
21. Install the engine front cover. Refer to Engine Front Cover Replacement (See: Timing Cover/Service and Repair) .
22. Install the camshaft cover. Refer to Camshaft Cover Replacement (See: Cylinder Head Assembly/Valve Cover/Service and Repair) .
