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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 678 (HVAC Systems - Automatic) >> Repair Instructions >> Mode Actuator Replacement (W/O D07) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the mode actuator as an assembly with the actuator cam.
    • Line up the heater/defroster lever with the mode actuator cam slot.
    • Line up the A/C lever with the mode actuator cam.
  2. Install the mode actuator mounting screw to the HVAC module. Tighten the screw to 1.6 N.m (14 lb in).
  3. Connect the electrical connection at the mode actuator (10).
  4. Install the floor air outlet duct extension (1) to the floor air duct (2).
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