For 1990-2009 cars

### Removal Procedure

1. Remove the instrument panel (I/P). Refer to Instrument Panel Assembly Replacement.
2. Remove the steering column. Refer to Steering Column Replacement.
3. Remove the 2 bolts (1) retaining the I/P carrier to the brake pedal/steering column support bracket.
4. Remove the right 2 carrier retaining bolts (1).
5. Remove the 2 lower center carrier retaining bolts.
6. Remove the left 2 I/P carrier retaining bolts (1).
7. Located near the radio, remove the I/P harness retainer (1) from the I/P carrier.
8. Located near the HVAC blower motor, remove the I/P harness retainer (1) from the I/P carrier.
9. Located near the OnStar® module, remove the I/P harness retainer (1) from the I/P carrier.
10. Remove the left courtesy lamp (1) from the I/P carrier.
11. Partially remove the I/P carrier from the bulkhead.
12. Remove the right courtesy lamp (1) from the I/P carrier.
13. Located near the steering column electrical connector, remove the I/P harness retainer (1) from the I/P carrier.
14. If equipped with OnStar®, disconnect the connectors from the module.
15. If replacing the I/P carrier, remove the OnStar® module. Refer to Communication Interface Module Replacement.
16. Remove the steering column (1) and SIR connector (2) from the I/P carrier.
17. Position the I/P wire harness in order to remove the I/P carrier.
18. Position the HVAC control assembly cables in order to remove the I/P carrier.
19. Remove the I/P carrier from the vehicle.

### Installation Procedure

1. Position the I/P carrier to the bulkhead.
2. Position the HVAC control assembly cables through the I/P carrier.
3. Position the I/P wire harness on the I/P carrier.
4. Install the steering column (1) and SIR connector (2) to the I/P carrier.
5. If equipped with OnStar®, connect the connectors to the module.
6. If replacing the I/P carrier, install the OnStar® module. Refer to Communication Interface Module Replacement.
7. Located near the steering column electrical connector, install the I/P harness retainer (1) to the I/P carrier.
8. Install the right courtesy lamp (1) to the I/P carrier.
9. Install the I/P carrier to the bulkhead.
10. Install the left courtesy lamp (1) to the I/P carrier.
11. Located near the OnStar® module, install the I/P harness retainer (1) to the I/P carrier.
12. Located near the HVAC blower motor, install the I/P harness retainer (1) to the I/P carrier.
13. Located near the radio, install the I/P harness retainer (1) to the I/P carrier.
14. Partially install the 2 lower center carrier retaining bolts.
15. Partially install the left 2 I/P carrier retaining bolts (1).
16. Partially install the right 2 carrier retaining bolts (1).
17. Partially install the 2 bolts (1) retaining the I/P carrier to the brake pedal/steering column support bracket.

Caution: Refer to Fastener Caution in the Preface section.

18. Install the 2 center carrier retaining bolts. Tighten the bolts to 9 N·m (80 lb in).
19. Install the remaining carrier retaining bolts. Tighten the bolts to 20 N·m (177 lb in).
20. Install the steering column. Refer to Steering Column Replacement.
21. Install the I/P. Refer to Instrument Panel Assembly Replacement.