Intake Plenum Replacement
Intake Plenum ReplacementRemoval Procedure
1. Disconnect the negative battery cable.
2. Remove the air cleaner hose assembly from the throttle body.
3. Disconnect the throttle body electrical connection.
4. Remove the electrical connection and vacuum hoses from the intake plenum switch over the valve solenoid.
5. Remove the vacuum hose from the fuel pressure regulator.
6. Remove the front intake plenum hose clamps, pipe bolts, and plenum bolts.
7. Lift the plenum and remove the throttle body heater hoses.
8. Remove the intake plenum.
Important: It is not necessary to remove the rear intake runner.
9. Remove the front intake runner.
10. Remove the throttle body nut and throttle body assembly.
Installation Procedure
1. Install the throttle body gasket to the plenum.
2. Install the throttle body to the plenum.
Notice: Refer to Fastener Notice in Service Precautions.
3. Install the throttle body nuts.
^ Tighten the throttle body nut to 8 Nm (71 inch lbs.).
4. Attach the heater and vent hose to the throttle body.
5. Install the intake plenum and intake plenum bolts. Finger tighten the bolts.
6. Install the EGR pipe bolts.
^ Tighten the EGR pipe bolts to 25 Nm (18 ft. lbs.).
7. Install the intake plenum bolts.
^ Tighten the intake plenum bolts to 8 Nm (71 inch lbs.).
8. Install the front manifold runner and tighten the clamps.
9. Install the intake runner bolts.
^ Tighten the intake manifold runner bolts to 8 Nm (71 inch lbs.).
10. Connect the negative battery cable.
^ Tighten the battery terminal bolts to 17 Nm (13 ft. lbs.).