For 1990-2009 cars

# Info - HVAC Control Knob Replacement

Subject: | HVAC Control Knob Replacement

Models: | 2000-2004 All Passenger Cars and Light Duty Trucks

| 2003-04 HUMMER H2

### HVAC Control Knob Availability

Important: If a knob becomes loose or broken, you MUST first check for availability of the control knob before attempting to replace the entire HVAC controller.

The various knobs used on the HVAC controls of most GM vehicles are available for purchase separately from the HVAC head units. If a knob becomes loose or broken, you MUST first check for availability of the control knob before attempting to replace the entire HVAC controller. Please use only the labor operation code listed below when replacing an HVAC control knob.

### Warranty Information

For vehicles repaired under warranty, use:

Labor Operation | Description | Labor Time
--- | --- | ---
C2990 | Knob, Control And/Or Shift - One And/Or All - Replace | 0.2 hr