HVAC Control Module Replacement

Fig 1: View Of HVAC Control Assembly & Screws

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedure Remove the instrument panel accessory trim plate. Refer to Instrument Panel Accessory Trim Plate Replacement (Except Cadillac) , Instrument Panel Accessory Trim Plate Replacement (Cadillac) . Remove the accessory switch assembly. Refer to Accessory Switch Replacement (Cadillac) , Accessory Switch Replacement (Except Cadillac) . Disconnect the electrical connectors.
1	Control Assembly - Heater and Air Conditioning Screw (Qty: 4) CAUTION: Refer to Fastener Caution . Tighten 1.5 N.m (13 lb in)
2	Heater and Air Conditioning Control Assembly TIP: The HVAC control module must be reprogrammed. Refer to Control Module References .

Callout

Component Name

Preliminary Procedure

Control Assembly - Heater and Air Conditioning Screw (Qty: 4)

CAUTION:

Tighten
1.5 N.m (13 lb in)

Heater and Air Conditioning Control Assembly
TIP: The HVAC control module must be reprogrammed. Refer to Control Module References .