GM Service Manual Online
For 1990-2009 cars only

Object Number: 1620265  Size: MF

Callout

Component Name

Preliminary Procedure

  1. Remove the heater inlet hose from the heater core. Refer to Heater Inlet Hose Replacement .
  2. Remove the heater outlet hose from the heater core. Refer to Heater Outlet Hose Replacement .
  3. Remove the instrument panel tie bar. Refer to Instrument Panel Tie Bar Replacement .
  4. Remove the center floor air outlet duct. Refer to Floor Air Outlet Duct Replacement - Center .

1

HVAC Module to Dash Panel Nut (Qty: 2)

Notice: Refer to Fastener Notice in the Preface section.

Tighten
10 N·m (88 lb in)

2

Cover Assembly Screw - Heater (Qty: 12)

Tighten
1.5 N·m (13 lb in)

3

Heater Cover Assembly

4

Heater Core Assembly