Cylinder Head: Installation
- If replacing the cylinder head, transfer the valves, valve seals and valve springs to the new cylinder head, if valve re-facing is necessary. Refer to VALVES, INTAKE AND EXHAUST, INSTALLATION . .
- If replacing the cylinder head, transfer the spark plugs to the new cylinder head. Refer to SPARK PLUG, INSTALLATION, 5.7L/6.4L
.
- Using a new gasket, Install the exhaust manifold. Using the sequence shown, tighten bolts/studs to 25 N.m (18 ft. lbs.).
-
CAUTION:
The cylinder head gaskets are not interchangeable between the left and right sides. They are marked with an "L" and "R" to indicate the left or right side and they are marked "TOP" to indicate which side goes up.
- Clean all gasket sealing surfaces of the cylinder block and cylinder heads using a suitable solvent.
- Install the new cylinder head gaskets (1).
- Install the cylinder heads (2).
- Using the sequence shown, tighten the cylinder head bolts 1 through 10 to 34 N.m (25 ft. lbs.).
- Using the sequence shown, tighten the cylinder head bolts 11 through 15 to 20 N.m (177 in. lbs.).
- Using the sequence shown, tighten the cylinder head bolts 1 through 10 to 61 N.m (45 ft. lbs.).
- Using the sequence shown, tighten the cylinder head bolts 11 through 15 to 28 N.m (21 ft. lbs.).
- Using the sequence shown, rotate the cylinder head bolts 1 through 10 an additional 90° turn.
- Install the push rods and rocker arm assemblies in their original position, using Pushrod Retainer (special tool #9070, Retainer, Push Rod) (1)
Refer to ROCKER ARM, VALVE, INSTALLATION .
- If Installing the right cylinder head, install the engine oil dip stick tube and nut.
- Install the cylinder head covers. Refer to COVER(S), CYLINDER HEAD, INSTALLATION .
- Install the serpentine belt. Refer to BELT, SERPENTINE, INSTALLATION
.
- Raise and support the vehicle. Refer to HOISTING, STANDARD PROCEDURE .
- Install the catalytic converters (4) Tighten nuts (3) to the proper specification. Refer to TECHNICAL SPECIFICATIONS .
- Connect the oxygen sensor wire harness connectors (2).
- Install the belly pan and retainers (1).
- Remove support and lower the vehicle.
- Install the intake manifold. Refer to MANIFOLD, INTAKE, INSTALLATION .
- Change the engine oil and oil filter. Refer to OIL .
- Fill the cooling system with the specified type and amount of engine coolant. Refer to STANDARD PROCEDURE
.
- Install the engine cover (2).
- Connect the negative battery cable.
- Start the engine and check for leaks.








