LEMON Manuals: Even more car manuals for everyone
Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 186 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Auxiliary Heater Core Replacement (Suburban XL)

Auxiliary Heater Core Replacement (Suburban XL)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Auxiliary Heater Core (Suburban XL)
GM1699939Courtesy of GENERAL MOTORS CORP.
Callout Component Name

Preliminary Procedure

  1. Remove the HVAC module - auxiliary. Refer to Auxiliary HVAC Module Replacement (Tahoe/Yukon/Escalade)  or Auxiliary HVAC Module Replacement (Suburban XL) .
  2. Disconnect any wiring connectors or harnesses from HVAC module.
1 Auxiliary HVAC Module Lower Cover Bolt (Qty: 4)
NOTE: Refer to Fastener Notice .

Tip:  Remove any fastener clips that secure cover to module.

Tighten:  9 N.m (80 lb in)
2 Auxiliary HVAC Module Lower Cover
3 Auxiliary HVAC Heater Core
Tip:  Ensure all seals and gaskets are in place upon installation.
scientia non olet · About LEMON Manuals