Durango 2WD V8-4.7L Flex Fuel (2009)
13. Remove Special Tool 8429, then attach both sprockets to camshafts. Remove excess oil from bolts, then Install sprocket bolts, but do not tighten at
this time.
14. Verify that all plated links are aligned with the marks on all sprockets and the "V8" marks on camshaft sprockets are at the 12 o'clock position.
CAUTION: Ensure the plate between the left secondary chain tensioner and block is correctly installed.
NOTE: Left and right secondary chain tensioners are not common.
15. Install both secondary chain tensioners. Tighten bolts to 28 Nm (250 in. lbs.).
16. Before installing idler sprocket bolt, lubricate washer with oil, and tighten idler sprocket assembly retaining bolt to 34 Nm (25 ft. lbs.).
CAUTION: After pulling locking pins out of each tensioner, DO NOT manually extend the tensioner(s) ratchet. Doing so will over tension the
chains, resulting in noise and/or high timing chain loads.
17. Remove all locking pins from tensioners.
18. Using Special Tool 6958, Spanner with Adaptor Pins 8346, tighten left (3) and right (4), camshaft sprocket bolts to 122 Nm (90 ft. lbs.).
19. Rotate engine two full revolutions. Verify timing marks are at the follow locations:
-
primary chain idler sprocket dot is at 12 o'clock
-
primary chain crankshaft sprocket dot is at 6 o'clock
-
secondary chain camshaft sprockets "V8" marks are at 12 o'clock
20. Lubricate all three chains with engine oil.
