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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 642 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Heater Pipes Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the cap or plug from the heater core.
  2. Using a lint-free clean, dry cloth, carefully clean the sealing surfaces of the heater pipe assembly and the heater core.
  3. Lightly coat the new seal washers with coolant.
  4. Carefully slide the new sealing washers onto the heater pipe assembly until seated.
  5. Install the heater pipe assembly into position in the vehicle.
    6. Fig 1: Installing Heater Pipe Assembly
    G01418761Courtesy of GENERAL MOTORS CORP.
  6. Install the heater pipe assembly to the heater core.
    NOTE: Refer to FASTENER NOTICE .
  7. Install the heater pipe assembly retaining bolt.

    Tighten 

    Tighten the bolt to 16 N.m (12 lb ft).

  8. Install the RH air injection pipe.
  9. Install the RH air injection pipe to RH cylinder head bolts.

    Tighten 

    Tighten the bolts to 20 N.m (15 lb ft).

  10. Install the RH air injection check valve to LH cylinder head bolt.

    Tighten 

    Tighten the bolt to 20 N.m (15 lb ft).

    Fig 2: Installing RH Air Injection Check Valve
    G01418762Courtesy of GENERAL MOTORS CORP.
  11. Connect the hose and hose clamp to the RH air injection check valve.
  12. Install the heater pipe bracket into position.
  13. Install the heater pipe bracket retaining nut.

    Tighten 

    Tighten the nut to 10 N.m (89 lb in).

    Fig 3: Installing Heater Pipe Bracket
    G01418763Courtesy of GENERAL MOTORS CORP.
  14. Install the heater inlet and outlet hoses to the heater pipes.
    Fig 4: Installing Heater Inlet And Outlet Hoses
    G01418764Courtesy of GENERAL MOTORS CORP.
  15. Using the J 38185,  install the heater hose clamps. Align the heater hose clamps as shown.
  16. Install the intake manifold. Refer to INTAKE MANIFOLD REPLACEMENT in Engine Mechanical.
  17. Install the battery heat shield. Refer to BATTERY HEAT SHIELD REPLACEMENT in Engine Electrical.
  18. Refill the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM in Engine Cooling.
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