Dodge Durango (HB). Manual — part 1112
CAUTION: The timing chain must be installed with
the single plated link aligned with the dot and or
paint marking on the camshaft sprocket. The
crankshaft sprocket is aligned with the dot and or
paint marking on the sprocket between two plated
timing chain links.
CAUTION: The camshaft pin and the slot in the
cam sprocket must be clocked at 12:00. The
crankshaft keyway must be clocked at 2:00. The
crankshaft sprocket must be installed so that the
dots and or paint marking is at 6:00.
3. Place
both
camshaft
sprocket
and
crankshaft
sprocket on the bench with timing marks on exact
imaginary center line through both camshaft and
crankshaft bores.
4. Place timing chain around both sprockets.
5. Lift sprockets and chain (keep sprockets tight
against the chain in position as shown).
6. Slide both sprockets (2,3) evenly over their respec-
tive shafts and check alignment of timing marks.
7. Install the camshaft bolt. Tighten the bolt to 122 N·m (90 ft. lbs.) torque.
8. Remove tensioner pin. (1) Again, verify alignment
of timing marks.
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ENGINE - 5.7L SERVICE INFORMATION
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9. Install the oil pump (Refer to 9 - ENGINE/LUBRICATION/OIL PUMP - INSTALLATION).
10. Install the oil pan and pick up (Refer to 9 - ENGINE/LUBRICATION/OIL PAN - INSTALLATION).
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ENGINE - 5.7L SERVICE INFORMATION
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11. Install the timing chain cover (Refer to 9 - ENGINE/VALVE TIMING/TIMING BELT / CHAIN COVER(S) -
INSTALLATION).
12. Refill engine oil.
13. Fill cooling system (Refer to 7 - COOLING - STANDARD PROCEDURE).
14. Connect battery negative cable.
15. Start engine and check for oil and coolant leaks.
TENSIONER - TIMING CHAIN
DESCRIPTION
The timing chain tensioner is a stamped steel constant tension mechanical design. It is mounted to the front of the
engine, behind the timing chain drive.
OPERATION
The timing chain tension is maintained by routing the timing chain through the tensioner assembly. A nylon covered
spring steel arm presses on the timing chain maintaining the correct chain tension.
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ENGINE - 5.7L SERVICE INFORMATION
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