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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 >> Heater Hose Replacement - Inlet (3.8L) >> 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. Drain the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM .
  2. Remove the fuel injector sight shield. Refer to FUEL INJECTOR SIGHT SHIELD REPLACEMENT (L36) or FUEL INJECTOR SIGHT SHIELD REPLACEMENT (L67) .
  3. Use J 38185  in order to position aside the heater hose inlet clamp at the pipe adapter.
  4. Disconnect the heater inlet hose from the pipe adapter.
    Fig 1: Disconnecting Heater Inlet Hose From Pipe Adapter
    G01482066Courtesy of GENERAL MOTORS CORP.
  5. Remove the heater hose support bracket nut (1).
    Fig 2: Removing Heater Hose Support Bracket Nut
    G01482067Courtesy of GENERAL MOTORS CORP.
  6. Use J 38185  in order to position aside the heater core inlet hose clamp.
  7. Disconnect the heater inlet hose from the heater core.
  8. Separate the support bracket and remove the heater inlet hose.
Fig 3: Disconnecting Heater Inlet Hose From Heater Core
G01482068Courtesy of GENERAL MOTORS CORP.
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