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Visual/Physical Inspection Buick Century VI

HVAC Systems - Automatic ~153 words

Visual/Physical Inspection

  1. Inspect for aftermarket devices which could affect the operation of the HVAC System. Refer to CHECKING AFTERMARKET ACCESSORIES in Wiring Systems.
  2. Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.
  3. Verify the A/C compressor clutch turns freely and is not seized.
  4. Verify that the customer is using the correct key to enable personalization and is not inadvertently activating steering wheel or passenger HVAC controls.
  5. The A/C compressor will not operate in cold outside air temperatures. Refer to «AIR TEMPERATURE DESCRIPTION AND OPERATION»(/buick/century/vi-1997-2005/remont/automatic-hvac-system/#hvac-systems-automatic__air-temperature-description-and-operation) .
  6. The following conditions may cause window fogging: Wet carpet or mats High humidity Interior water tank Blocked A/C evaporator drain tube Maximum passenger capacity Blocked body pressure relief valves
  7. Inspect the air distribution system for causes of reduced air flow: Obstructed or dirty passenger compartment air filter, if equipped Blocked or damaged air inlet or outlet vents