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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1233 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Vent Door Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the vacuum tank. Refer to VACUUM TANK REPLACEMENT .
  2. Remove the floor carpet. Refer to CARPET REPLACEMENT - FRONT .
  3. Remove the rear floor air outlet duct (1) from the holes in the floor reinforcement.
  4. Disconnect the rear floor air outlet duct from the heater core outlet cover.
  5. Remove the bolts from the vacuum harness bracket and position bracket aside.
    Fig 1: Removing Rear Floor Air Outlet Duct
    G01482201Courtesy of GENERAL MOTORS CORP.
  6. Remove the heater outlet cover screws.
  7. Remove the heater outlet cover.
  8. Disconnect the defroster/vent door link at the vent door on the left side of the HVAC module assembly.
    Fig 2: Removing Heater Outlet Cover
    G01482202Courtesy of GENERAL MOTORS CORP.
  9. Remove the heater core cover screws.
  10. Remove the heater core cover.
    Fig 3: Removing Heater Core Cover
    G01482203Courtesy of GENERAL MOTORS CORP.
  11. Remove the vent door (1) from the HVAC module assembly.
    Fig 4: Removing Vent Door
    G01482204Courtesy of GENERAL MOTORS CORP.
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