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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 194 (Heater Systems) >> Removal & Installation >> Auxiliary Hot Water By-Pass Valve >> Removal

Auxiliary Hot Water By-Pass Valve: Removal

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, 2002 Chevrolet RV Cutaway, and 2002 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the air cleaner. Remove the upper fan shroud. Drain the engine coolant. Disconnect the electrical connector from the valve.
  2. Disconnect the vacuum hose from the valve. See Figure. Remove the hose clamps from the outlet pipe and from the inlet pipe.
  3. Remove the bolt that retains the valve to the heater assembly. Remove the bypass valve from the heater assembly. Remove the heater hoses from the engine to the hot water bypass valve.
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