5.7 Hemi – TENSIONER – TIMING CHAIN – INSTALLATION
1. Install timing chain tensioner (2). 2. Install timing chain (Refer to 9 – ENGINENALVE TIMINGITIMING BELT/CHAIN AND SPROCKETS – INSTALLATION).
1. Install timing chain tensioner (2). 2. Install timing chain (Refer to 9 – ENGINENALVE TIMINGITIMING BELT/CHAIN AND SPROCKETS – INSTALLATION).
1. Remove timing chain (Refer to 9 – ENGINENALVE TIMING/TIMING BELT/CHAIN AND SPROCKETS- REMOVAL). 2. Remove timing chain tensioner (2).
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… Read More »
1. If tensioner (1) assembly is being replaced. install tensioner and mounting bolts. Tighten bolts to 28 N·m (250 in. Ibs.). 2. Retract tensioner (2) if required. 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… Read More »
1. Disconnect battery negative cable. 2. Drain cooling system. 3. Remove liming Chain Cover (1). 4. Re-install the vibration damper bolt finger tight. Using a suitable socket and breaker bar, rotate the crankshaft to align timing chain sprockets and keyways as shown. CAUTION: The camshaft pin and the… Read More »
1. Clean timing chain cover and block surface. NOTE: Always install a new gasket on timing cover. 2. Verify that the slide bushings (1) are installed in timing cover. 3. Install cover and new gasket. Tighten fasteners to 28 N·m (250 in. Ibs.). NOTE: The large lifting stud is tightened to 55 N·m (40 ft.… Read More »
1. Disconnect the battery negative cable. 2. Remove the engine cover. 3. Remove air cleaner assembly. 4. Drain cooling system. 5. Remove accessory drive belt. 6. Remove fan and fan drive assembly. 7. Remove coolant bottle and washer bottle. 8. Remove fan shroud. NOTE: It is not necessary to disconnect Ale lines or discharge refrigerant.… Read More »
1. Install manifold gasket and manifold. 2. Install manifold bolts and tighten using sequence provided to 25 N·m (18 ft. Ibs.). 3. Install heat shield and tighten nuts to 15 N·m (11 ft. Ibs.). 4. Lower engine. CAUTION: Do not damage engine harness while lowering the engine. 5. Remove engine support fixture from engine. 6.… Read More »
Inspect manifold for cracks. Inspect mating surfaces of manifold for flatness with a straight edge. Gasket surfaces must be flat within 0.2 mm per 300 mm (0.008 inch per foot).
1. Disconnect negative battery cable. 2. Raise vehicle. 3. Remove exhaust pipe to manifold bolts. 4. Lower vehicle. 5. Install engine support fixture special tool #8534. 6. Raise engine enough to remove manifolds. CAUTION: Do not damage engine harness while raising the engine. 7. Remove heat shield. 8. Remove manifold bolts using sequence provided. 9.… Read More »