Upper
Intake Manifold - Upper
Removal and Installation
1. Remove the air cleaner outlet pipe.
2. Remove the idle ail control (IAC) valve.
- Disconnect the IAC valve electrical connector.
- Remove the two bolts and the IAC valve.
Note: Cowl removed for clarity.
3. Remove the fuel line retaining clip and the wire harness pin-type retainers.
4. Remove the alternator wire harness retaining clips.
5. Position the spark plug wires aside.
- Lift the spark plug wire separators.
- Position the spark plug wires aside.
Note: Place a shop cloth on the upper intake manifold to prevent scratching the manifold.
6. Remove the upper intake manifold.
1. Remove the stud bolts.
2. Remove the bolts.
3. Remove the cover.
7. Disconnect the accelerator and speed control cables, then remove the throttle return spring.
8. Position the bracket aside.
- Remove the bolt.
- Remove the stud bolt.
- Position the bracket aside.
9. Disconnect the throttle position (TP) sensor electrical connector.
10. Disconnect the evaporative emissions return tube.
11. Disconnect the brake booster vacuum hose.
12. Disconnect the exhaust gas recirculation (EGR) vacuum regulator solenoid electrical and vacuum connectors.
13. Disconnect the vacuum hose.
14. Disconnect the fuel pressure regulator vacuum tube.
15. Disconnect the positive crankcase ventilation (PCV) hose.
16. Remove the upper intake manifold spacer.
- Remove the bolts.
- Remove the intake manifold spacer.
17. To install, reverse the removal procedure.
- Tighten the upper intake manifold spacer and the upper intake manifold in the sequences shown.