Removal Procedure
- Tilt the cab. Refer to
Cab Tilting
.
- Remove the charge air cooler pipe from the intake pipe.
- Disconnect the negative battery cable. Refer to
Battery Negative Cable Disconnection and Connection
.
- Disconnect the manifold absolute pressure (MAP) sensor electrical connector.
- Disconnect the air temperature sensor connector.
- Remove the exhaust gas recirculation (EGR) valve. Refer
Exhaust Gas Recirculation Valve Replacement
.
Important: Do not bend the fuel injector lines in any shape or form to ease the removal of the intake manifold.
- Remove the fuel lines from the common rail to the fuel injector.
- Remove the fuel lines from the supply pump to the common rail.
- Remove the fuel injector return line from the fuel injector, fuel common rail and the fuel supply pump.
- Remove the fuel filter and bracket from the intake manifold. Refer to
Fuel Filter Replacement
.
- Remove the intake manifold bolts.
- Remove the intake manifold and gasket.
Installation Procedure
Important: Inspect the intake manifold for cracks or damage to the gasket mating surface.
- Install the intake manifold and gasket.
- Install the intake manifold bolts.
Notice: Refer to Fastener Notice in the Preface section.
- Install the common fuel rail.
Tighten
Tighten the intake manifold bolts to 15 N·m (11 lb ft).
- Install the fuel lines from the supply pump to the common rail.
- Install the fuel lines from the common rail to the fuel injector.
- Install the fuel injector return line from the fuel injector, fuel common rail and the fuel supply pump.
- Install the fuel filter and the bracket to the intake manifold. Refer to
Fuel Filter Replacement
.
- Connect the MAP sensor.
- Connect the air temperature sensor.
- Install the EGR valve . Refer
Exhaust Gas Recirculation Valve Replacement
.
- Connect the negative battery cable. Refer to
Battery Negative Cable Disconnection and Connection
.
- Install the charge air cooler pipe.
- Lower the cab.