Question about 1999 Chevrolet Venture

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1999 Chev Venture Heater core do I need to remove Dash to replace?

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The blower motor location can change from year-to-year. It can also change with the trim level of the vehicle. A vehicle that has front and rear climate controls may be configured differently than a vehicle that has front controls only. The following are two different repair procedures. One is for blower motors located and accessed in the engine compartment, the other is for blower motors mounted inside the vehicle.

REMOVAL AND INSTALLATION

Engine Compartment Mounted

  1. Disconnect the negative battery cable.
  2. Remove the engine air cleaner assembly.
  3. If necessary for clearance, remove the left hand wiper arm linkage.
  4. Detach the wire harness connector from the blower motor.
  5. Disconnect the motor cooling hose.
  6. Remove the blower motor assembly retaining screws
  7. Carefully pull the blower motor assembly out from the firewall.

Posted on Oct 08, 2009

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  • Greg Bernett
    Greg Bernett Oct 08, 2009





    REMOVAL AND INSTALLATION




    1. Disconnect the negative battery cable.

    2. Remove the air cleaner and duct assembly.

    3. Drain and recycle the engine coolant.

    4. Disconnect the wiper linkage from the wiper motor.

    5. Detach both heater hoses at the heater core.

    6. Remove the lower center console.

    7. Remove both instrument panel insulators.

    8. Remove the heater outlet module screws, and the heater cover.

    9. Remove the heater core mounting clip screw, and the heater core line clamp screw.

    10. Carefully pull the heater core from the case.

    11. If necessary, remove the foam seals on the heater core module for transfer to the replacement core.

    12. If necessary, remove the heater core line clamp for transfer to the replacement core.

  • Greg Bernett
    Greg Bernett Oct 08, 2009




    Fig. 1: You must disconnect the wiper linkage to allow clearance for removing the heater core coolant hoses






    Fig. 2: View of the HVAC module-1 is the A/C module, two is the front blower motor (interior mount style)






    Fig. 3: View of the heater core cover and related components

  • Greg Bernett
    Greg Bernett Oct 08, 2009




    Fig. 4: Exploded view of the heater core case assembly






    Fig. 5: Schematic of the HVAC Module air flow controls and air path diverter doors



    To install:




    1. Installation is the reversal of the removal process. Tighten the mounting screws to 27 inch lbs. (3 Nm).

  • Greg Bernett
    Greg Bernett Oct 08, 2009

    Hope this helps!!!

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Which push rod is for the intake i notice that one is longer than the other

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Cooling line, coming off of heater core; cannot figure out where it goes. iIf you need a picture via cell phone or email. Here is my number: Mike @ 276-722-2788 Thanks

Posted on Jul 25, 2010

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Winding noise at rear of engine tours the trans already checked fly wheel for lose bolts and ok. I was hopping for a bad bearing in that area to be replaced, it sounds like my torque converted is the problem.Any idea how much will a shop charge? Can I do the job my self?

Posted on Nov 06, 2009

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