Throttle Body Spacer: Service and Repair

THROTTLE BODY - SPACER

REMOVAL

WARNING: Do not smoke or carry lighted tobacco or open flame of any type when working on or near any fuel-related components. Highly flammable mixtures are always present and can be ignited, resulting in possible personal injury.

1. Disconnect the battery ground cable.
2. Remove the air cleaner outlet tube and the accelerator cable splash shield.
3. Drain the engine cooling system.







4. Disconnect the accelerator cable.
1 Disconnect the speed control actuator.
2 Disconnect the accelerator cable.
3 Remove the acceleration control return spring.







5. Remove the accelerator cable bracket.
1 Remove the bolts.
2 Remove the accelerator cable bracket.







6. Disconnect the positive crankcase ventilation (PCV) tube and the vacuum hoses.







7. Disconnect the heated PCV coolant hoses.







8. Disconnect the vacuum hose from the throttle body (TB).







9. Disconnect the hose and electrical connector from the idle air control (IAC) valve.







10. Disconnect the throttle position (TP) sensor electrical connector.







11. Remove the four bolts and the TB spacer.
- Discard the TB spacer gasket.

INSTALLATION







1. Install the TB spacer.
1 Install a new TB spacer gasket.
2 Position the TB spacer.
3 Install the four bolts in two stages.
- Stage 1: Tighten the bolts to 9 Nm (80 lb-in).
- Stage 2: Tighten an additional 90 degrees.







2. Connect the TP sensor electrical connector.







3. Connect the hose and electrical connector to IAC valve.







4. Connect the vacuum hose to the throttle body (TB).







5. Connect the heated PCV coolant hoses.







6. Connect the positive crankcase ventilation (PCV) tube and the vacuum hoses.







7. Install the accelerator cable bracket.
1 Position the accelerator cable bracket.
2 Install the bolts.







8. Connect the accelerator cable.
1 Connect the speed control actuator.
2 Connect the accelerator cable.
3 Install the acceleration control return spring.

9. Fill and bleed the engine cooling system.
10. Install the air cleaner outlet tube and the accelerator cable splash shield.
11. Connect the battery ground cable.