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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1666 (Heating, Ventilation And Air Conditioning) >> Repair Instruction >> Heater Hose Replacement - Outlet (3.8L) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Buick Regal and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM in Engine Cooling.
  2. Remove the fuel injector sight shield. Refer to FUEL INJECTOR SIGHT SHIELD REPLACEMENT (L36) or FUEL INJECTOR SIGHT SHIELD REPLACEMENT (L67) in Engine Mechanical-3.8L.
  3. Use J 38185  in order to position aside the heater hose outlet clamp at the pipe adapter.
  4. Disconnect the heater outlet hose from the pipe adapter.
    Fig 1: View Of Heater Outlet Hose From Pipe Adapter
    G01568691Courtesy of GENERAL MOTORS CORP.
  5. Remove the heater hose support bracket nut (1).
    Fig 2: Locating Heater Hose Support Bracket Nut
    G01568692Courtesy of GENERAL MOTORS CORP.
  6. Use J 38185  in order to position aside the heater core outlet hose clamp.
  7. Disconnect the heater outlet hose from the heater core.
  8. Separate the support bracket and remove the heater outlet hose.
    Fig 3: Aligning Heater Outlet Hose Clamps From Heater Core
    G01568693Courtesy of GENERAL MOTORS CORP.
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