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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 520 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Heater Hose Replacement - Inlet (4.3L) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain the engine coolant. Refer to DRAINING AND FILLING COOLING SYSTEM in Engine Cooling.
  2. Release the heater inlet hose clamp using the J 38185  at the heater core.
  3. Remove the heater inlet hose from the heater core.
    Fig 1: Removing Heater Inlet Hose From Heater Core
    G01466940Courtesy of GENERAL MOTORS CORP.
  4. Release the heater inlet hose clamp using the J 38185  at the intake manifold fitting.
  5. Remove the heater inlet hose from the intake manifold fitting.
    Fig 2: Removing Heater Inlet Hose From Intake Manifold Fitting
    G01466941Courtesy of GENERAL MOTORS CORP.
  6. Open the heater inlet hose retaining clip above the right side valve cover. Use a flat bladed tool to open the clip from the bottom.
  7. Remove the heater inlet hose from the vehicle.
    Fig 3: Open Heater Inlet Hose Retaining Clip
    G01466942Courtesy of GENERAL MOTORS CORP.
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