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HOMESERVICE MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 132 (HEATER SYSTEMS)REMOVAL & INSTALLATIONAUXILIARY HVAC CONTROL ASSEMBLY (REAR)REMOVAL
1999 GMC Forward Control 5.7 R, Automatic

Auxiliary HVAC Control Assembly (Rear): Removal

1999 GMC Forward Control 5.7 R, AutomaticSECTION Removal
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, 2002 Chevrolet RV Cutaway, and 2002 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

Remove the HVAC control assembly bezel from the headliner. Lower the front headliner to access the rear of the HVAC control assembly. Disconnect the electrical connectors. Remove the HVAC control assembly from the front headliner. See Figure.

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.