HVAC Control Knob Replacement (04-01-37-001)

Publication date: 2004-01-01
Reference number: 04-01-37-001

HVAC Control Knob Replacement

TECHNICAL SERVICE BULLETIN

Reference Number(s): 04-01-37-001, Date of Issue: January 06, 2004

Affected Model(s):

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:

Warranty Information

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