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Home >> Chevrolet >> 2002 >> Astro Van Passenger, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 802 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Heater Hose Replacement - Outlet >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Safari and 2003 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the air cleaner. Refer to AIR CLEANER ASSEMBLY in Removal & Installation.
  2. Drain the engine coolant. Refer to DRAINING AND FILLING COOLING SYSTEM in Engine Cooling.
  3. Remove the coolant recovery reservoir. Refer to COOLANT RECOVERY RESERVOIR REPLACEMENT in Engine Cooling.
  4. Remove the heater hose support clamp bolt (5).
  5. Using the J 38185,  reposition the outlet heater hose clamp from the heater core.
  6. Remove the outlet heater hose (3) from the heater core.
    Fig 1: Removing Heater Hose (Outlet)
    G01645603Courtesy of GENERAL MOTORS CORP.
  7. Using the J 38185,  reposition the outlet heater hose clamp from the water bypass valve.
  8. Remove the outlet heater hose (3) from the water bypass valve.
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