Functional Test - HVAC System - Manual

1997 Oldsmobile LSS V6-3.8L VIN KSECTION Functional Test - HVAC System - Manual

Functional Test:






The following procedures check the Manual Air Conditioning System. All the steps in each procedure can he completed without using tools. Detailed diagnostic procedures follow the system check and are referenced in each step.

Complete this check with the temperature outside the vehicle at 16°C (60°F) or higher, and with the engine running.
RENDER: 1.0x

NO RELATED

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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.