GM Service Manual Online
For 1990-2009 cars only

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