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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 910 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Heater Hose Replacement - Outlet (2.2L) >> Installation Procedure

Installation 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. Apply lubricant, GM P/N 9985662, to each end of the outlet heater hose.

    Important:  When installing new outlet heater hose, place the clamp on the hose before installing the hose to the vehicle.

  2. Install the outlet heater hose to the vehicle.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  3. Install the heater outlet hose bracket bolt.

    Tighten 

    Tighten the bolt to 25 N.m (18 Ib. ft).

    Fig 1: Heater Outlet Hose Bracket Bolt
    G01466948Courtesy of GENERAL MOTORS CORP.
  4. Install the heater outlet hose to the water pump.
  5. Install the heater outlet hose clamp using the J 38185  at the water pump.
    Fig 2: Installing Heater Outlet Hose To Water Pump
    G01466949Courtesy of GENERAL MOTORS CORP.
  6. Install the heater inlet hose to the engine water outlet adapter pipe.
  7. Install the heater inlet hose clamp using the J 38185  at the engine water outlet adapter pipe.
    Fig 3: Installing Heater Inlet Hose To Engine Water Outlet Adapter Pipe
    G01466950Courtesy of GENERAL MOTORS CORP.
  8. Install the outlet heater hose to the heater core.
  9. Install the outlet heater hose clamp using the J 38185  at the heater core.
  10. Fill the engine cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM in Engine Cooling.
    Fig 4: Installing Outlet Heater Hose To Heater Core
    G01466951Courtesy of GENERAL MOTORS CORP.
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