Cylinder Head: Removal: Removal
WARNING: This page is about a different car, the 2011 RAM Pickup and 2011 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
| 1 - Mount |
| 2 - Insulator |
| 3 - Bolt |
- Disconnect both negative battery cables.
- Drain engine coolant. Refer to Standard Procedure .
- Disconnect exhaust pipe from turbocharger elbow.
- Remove the right engine mount. Refer to INSULATOR, Engine Mount, Front, Removal, 6.7L or INSULATOR, Engine Mount, Rear, Removal, 6.7L .
- Remove turbocharger drain tube bolts at turbocharger. Cap off ports to prevent dirt or foreign material from entering.
- Disconnect air inlet temperature/pressure sensor.
- Remove air cleaner housing and snorkel from the vehicle. Cap off turbocharger air inlet to prevent intrusion of dirt or foreign material.
- Disconnect cab heater core supply and return hoses from the cylinder head and heater pipe.
- Disconnect turbocharger oil supply line at the turbocharger end. Cap off open ports to prevent intrusion of dirt or foreign material.
- Remove the turbocharger coolant lines.
- Remove EGR cooler and associated hardware. Refer to COOLER, EGR, Removal
.
1 - Retention Strap 2 - Manifold 3 - Gasket 4 - Manifold 5 - Manifold Heat Shield - Remove exhaust manifold-to-cylinder head bolts, spacers, heat shield, retention straps, and cab heater plumbing. Remove exhaust manifold and turbocharger from the vehicle as an assembly.
- Remove cooling fan/drive/shroud assembly. Refer to FAN, Cooling, Electric, Removal .
- Remove accessory drive belt. Refer to BELT, Serpentine, Removal .
- Remove cooling fan support from cylinder block.
1 - GENERATOR 2 - MOUNTING BOLTS - Remove upper generator bolt, loosen lower generator bolt, and rotate generator away from cylinder head.
- Disconnect radiator upper hose from the thermostat housing.
- Disconnect the Intake Air Temperature/Manifold Air Pressure, and Coolant Temperature sensor connectors.
- Remove the engine harness to cylinder head attaching bolts and P-clips at front of head.
- Remove the intake air grid heater wire from the grid heater.
- Remove engine oil level indicator tube attaching bolt at fuel filter housing bracket and inlet air connection.
- Remove the charge air cooler-to-air inlet housing pipe.
- Remove the engine wire harness attaching bolt and wire harness push-in fastener from air inlet housing.
- Remove the air inlet housing.
- Remove the two grid heater harness-to-cylinder head attaching bolts at front of cylinder head.NOTE:
Extreme care should be used to keep dirt/debris from entering the fuel lines. Plastic caps should be used on the ends of the fuel lines.
- Remove the high pressure pump to fuel rail fuel line as follows:
- Loosen fuel line nuts at fuel pump and at fuel rail.
- Use a back-up wrench on the fitting at the fuel pump to keep it from loosening.
- Remove the fuel rail to cylinder head fuel lines as follows:
- Loosen No. 6 high pressure fuel line shield and position out of way.
- Loosen the fuel line nuts at the fuel rail and at the cylinder head. Use a back-up wrench on HPC nut.
- Remove the engine lift bracket from the rear of the cylinder head.
- Remove the fuel rail as follows:
- Remove fuel rail pressure sensor connector.
- Remove banjo fitting at pressure limiting valve.
- Remove the banjo fitting at fuel rail.
- Remove fuel rail bolts and fuel rail.
- Remove P-clip from cylinder head.
- Remove the breather cover and cylinder head cover. Refer to COVER(S), Cylinder Head, Removal, 6.7L .
- Remove injector harness nuts from injectors.
1 - ROCKER ARM 2 - PEDESTAL - Remove the rocker levers (1), cross heads and push rods. Mark each component so they can be installed in their original positions.
NOTE:
The No. 5 cylinder exhaust and the No. 6 cylinder intake and exhaust push rods are removed by lifting them up and through the provided cowl panel access holes. Remove the rubber plugs to expose these relief holes.
- Remove the fuel return line and banjo bolt at the rear of the cylinder head. Be careful not to drop the two (2) sealing washers.
- Remove the fuel injectors. Refer to INJECTOR(S), Fuel, Removal .
- Remove rocker housing bolts and rocker housing and gasket.
- Reinstall the engine lift bracket at the rear of cylinder head. Tighten to 77 N.m (57 ft. lbs.).
- Starting on the outside and working towards the center, remove twenty six (26) cylinder head bolts.
- Attach an engine lift crane to engine lift brackets and lift cylinder head off engine and out of vehicle.
- Remove the head gasket and inspect.