LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1296 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Heater Core Replacement

Heater Core Replacement

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: View Of Heater Core & Components
GM1686236Courtesy of GENERAL MOTORS CORP.
Callout Component Name

Preliminary Procedure

  1. Remove the HVAC module. Refer to Air Conditioning and Heater Module Assembly Replacement .
  2. Disconnect the wiring harness retainer from the heater core cover.
1 Heater Core Cover Screw
CAUTION: Refer to Fastener Caution .

Tighten:  1.5 N.m (14 lb in)
2 Heater Core Cover

Tighten:  1.5 N.m (14 lb in)
3 Heater Core Pass Through Seal
4 Heater Core
scientia non olet · About LEMON Manuals