For 1990-2009 cars

### Removal Procedure

1. Open the hood.
2. Remove the Air Cleaner Assembly. Refer to Air Cleaner Assembly Replacement.
3. Disconnect the wiring harness plug (2).
4. Disconnect the positive crankcase ventilation pipe (1).
5. Place collecting basin underneath.
6. Disconnect the throttle body heater outlet pipe (4).
7. Disconnect the throttle body heater inlet pipe (3).
8. Remove the 4 throttle body bolts (2).
9. Remove the throttle body (1).

### Installation Procedure

1. Install the throttle body (1).

Caution: Refer to Fastener Caution in the Preface section.

2. Install the 4 throttle body bolts (2) and tighten to 8 N·m (71 lb in).
3. Connect the throttle body heater inlet pipe (3).
4. Connect the throttle body heater outlet pipe (4).
5. Connect the positive crankcase ventilation pipe (1).
6. Connect the wiring harness plug (2).
7. Install the Air Cleaner Assembly. Refer to Air Cleaner Assembly Replacement.
8. Close the hood.