Throttle Body: Service and Repair

Throttle Body

Air Cleaner (ACL) Outlet Pipe-to-Throttle Body (TB) Adapter and Air Intake Resonator









Throttle Body (TB)









Removal

1. Remove the Air Cleaner (ACL) outlet pipe. For additional information, refer to Intake Air Distribution and Filtering Air Cleaner Outlet Pipe.

2. Disconnect the crankcase ventilation tube quick connect coupling from the ACL outlet pipe-to-Throttle Body (TB) adapter. For additional information, refer to Fuel System - General Information Quick Connect Coupling.

3. Release the clamp and remove the bolt and the air intake resonator assembly.

4. Remove the 3 ACL outlet pipe-to- TB adapter bolts.

5. Remove the ACL outlet pipe-to- TB adapter.

6. Disconnect the Electronic Throttle Control (ETC) electrical connector.

7. Disconnect the Throttle Position (TP) sensor electrical connector.

8. Remove the 4 bolts, the vibration damper and the TB assembly.
- Discard the TB O-ring seal.

Installation

1. Using a new O-ring seal, position the TB, the vibration damper and tighten the 4 bolts in 2 stages.
- Stage 1: Tighten to 9 Nm (80 lb-in).

- Stage 2: Tighten an additional 90 degrees (one-fourth turn).

2. Connect the TP sensor electrical connector.

3. Connect the ETC electrical connector.

4. Position the ACL outlet pipe-to- TB adapter.

5. Install the 3 ACL outlet pipe-to-TB adapter bolts.
- Tighten to 10 Nm (89 lb-in).

6. Position the air intake resonator assembly, install the bolt and the clamp.
- Tighten to 10 Nm (89 lb-in).

7. Connect the crankcase ventilation tube quick connect coupling to the ACL outlet pipe-to-TB adapter. For additional information, refer to Fuel System - General Information Quick Connect Coupling.

8. Install the ACL outlet pipe. For additional information, refer to Intake Air Distribution and Filtering Air Cleaner Outlet Pipe.