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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 846 (HVAC SYSTEM - MANUAL)DESCRIPTION AND OPERATIONAIR TEMPERATURE DESCRIPTION AND OPERATIONHVAC CONTROL COMPONENTSHVAC CONTROL MODULELAT/2.4L HYBRID
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2

LAT/2.4L Hybrid

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION LAT/2.4L Hybrid
WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

The HVAC provides two levels of A/C, Normal A/C Mode and Economy A/C Mode. When in normal A/C Mode, the A/C LED indicator will be YELLOW. In Normal A/C Mode, the vehicle and A/C system will function like a standard vehicle. The engine will not AutoStop. A/C should be set to Normal A/C Mode when diagnosing the Standard A/C system features. When in Economy A/C Mode, the A/C LED indicator will be GREEN. Economy A/C uses different calibrations and controls to provide the opportunity for the engine to AutoStop while cabin cooling is active.

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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.