Upper
Removal1. Disconnect the battery ground cable.
2. Remove the engine air cleaner outlet tube.
3. Disconnect the vacuum tube and the idle air control (1AQ solenoid.
4. Disconnect the Throttle Position (TP) sensor and the Evaporative Emissions (EVAP) return tube.
5. Position the accelerator cable aside.
1 Disconnect the accelerator cable from the throttle body.
2 Disconnect the accelerator cable from the bracket.
6. Remove the solenoid bracket bolts.
7. Disconnect the Positive Crankcase Ventilation (PCV) tube.
8. Disconnect the vacuum tubes.
9. Position the ignition coil aside.
1 Remove the four bolts.
2 Position the coil aside.
10. Disconnect the vacuum hose.
11. Note: For ease in installation, record the location of the long bolts and the short bolts.
Remove the upper intake manifold.
1 Remove the 12 bolts.
2 Remove the upper intake manifold.
12. Remove and discard the upper intake manifold gasket.
Installation
1. Install a new intake manifold upper gasket.
2. Note: Refer to the location note made during removal and make sure the bolts are installed in the correct location.
Install the upper intake manifold. Tighten the bolts in the sequence shown in three stages:
- Stage 1: tighten to 6 Nm (53 inch lbs.).
- Stage 2: tighten to 8 Nm (71 inch lbs.).
- Stage 3: rotate an additional 90 degrees.
3. Connect the vacuum hose.
4. Install the ignition coil.
5. Connect the vacuum tubes.
6. Connect the PCV tube.
7. Install the solenoid bracket bolts.
8. Connect the accelerator cable.
9. Connect the TP sensor and the EVAP return tub
10. Connect the vacuum tube and the Idle Air Control (IAC) solenoid.
11. Install the engine air cleaner outlet tube.
12. Note: When the battery is disconnected and reconnected, some abnormal driving symptoms may occur while the vehicle relearns its adaptive strategy. The vehicle may need to be driven 16 km (10 miles) or more to relearn the strategy.
Connect the battery negative cable.