Intake Manifold Replacement (Upper)

CAUTION: Composite type Intake gaskets are used in the engine assembly. These gaskets have a thin metal core. Use caution when removing or handling composite gaskets to help avoid personal Injury.


Upper Intake Removal












Remove or Disconnect
^ Drain coolant.
1. Plastic cover.
2. Air cleaner and air inlet duct.
3. Wire harnesses, including:
^ Throttle position sensor (TP Sensor).
^ Idle air control (IAC) motor.
^ Manifold absolute pressure (MAP) sensor.
^ Intake manifold tuning valve (IMTV).
4. Throttle linkage from upper intake manifold.
5. Ignition coil.
6. PCV hose at rear of upper intake manifold.
7. Vacuum hose at front and rear of upper intake manifold.
8. Upper intake manifold bolts and studs.
^ Mark the location of all studs for proper reassembly.
9. Upper Intake manifold.


Upper Intake Installation












Install or Connect
1. Upper Intake manifold gasket with green sealing lines facing up.
2. Upper Intake manifold.

NOTE:Use care not to pinch the Injector wires between the upper and lower intake manifolds.

3. Upper intake manifold bolts. Note the marks made at disassembly for proper stud location.
^ Tighten Bolts to 14 N.m (124 lbs. In.) using the sequence shown
4. PCV hose to rear of upper intake manifold.
5. Vacuum hoses to front and rear of upper intake manifold.
6. Throttle linkage to upper Intake manifold.
7. Ignition coil.
8. Wire harnesses, including:
^ Throttle position sensor (TP Sensor).
^ Idle air control (IAC) motor.
^ Manifold absolute pressure (MAP) sensor.
^ Intake manifold tuning valve (IMTV).
9. Plastic cover.
10. Air cleaner and air inlet duct.
11. Cooling system with the proper grade and quantity of coolant