Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 1480
9. Install primary timing chain (7), guides (2,5,10) and sprockets (9) (Refer to 9 - ENGINE/VALVE TIMING/TIMING
CHAIN AND SPROCKETS - INSTALLATION).
10. Install coolant outlet (3) (Refer to 7 - COOLING/
ENGINE/COOLANT
OUTLET
HOUSING
-
INSTALLATION).
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ENGINE - 2.7L DOHC - SERVICE INFORMATION
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11. Install lower intake manifold (Refer to 9 - ENGINE/
MANIFOLDS/INTAKE MANIFOLD - INSTALLA-
TION).
12. Install cylinder head covers (Refer to 9 - ENGINE/
CYLINDER HEAD/CYLINDER HEAD COVER(S) -
INSTALLATION).
13. Connect camshaft position sensor (2) and coolant
temperature sensor (1) connectors.
14. Install timing chain cover (Refer to 9 - ENGINE/
VALVE
TIMING/TIMING
CHAIN
COVER(S)
-
INSTALLATION).
15. Install crankshaft vibration damper (Refer to 9 -
ENGINE/ENGINE BLOCK/VIBRATION DAMPER -
INSTALLATION).
16. Install
upper
intake
manifold
(Refer
to
9
-
ENGINE/MANIFOLDS/INTAKE
MANIFOLD
-
INSTALLATION).
17. Connect oil pressure sensor (1) connector.
18. Install accessory drive belt (5) (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
INSTALLATION).
19. Fill cooling system (Refer to 7 - COOLING/EN-
GINE - STANDARD PROCEDURE).
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ENGINE - 2.7L DOHC - SERVICE INFORMATION
9 - 1945
20. Connect negative battery (1) cable.
21. Start engine and check for leaks.
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ENGINE - 2.7L DOHC - SERVICE INFORMATION
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CAMSHAFT(S)
DESCRIPTION
The assembled fabricated camshafts are composed of five bearing journals machined onto a hollow steel tube. The
camshafts are secured in the cylinder head (6) by the camshaft bearing caps (1)&(2). Six steel lobes, a secondary
timing drive sprocket, and a primary sprocket/thrust flange are pressed onto the camshaft tube using a unique
assembly process. Camshaft end play is controlled by the primary camshaft sprocket attachment flange on the
intake camshafts (7) and by a thrust flange on the exhaust camshafts (3). The intake camshafts are driven by the
primary chain. The exhaust camshafts (3) are driven by the intake camshafts (10) through a secondary chain (11).
The secondary chain tensioner (7) keeps tension on the secondary chain (11).
OPERATION
The camshaft has precisely machined (egg shaped) lobes to provide accurate valve timing and duration. The cam-
shaft is driven by the crankshaft via drive sprockets and chains.
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ENGINE - 2.7L DOHC - SERVICE INFORMATION
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