Question about 1998 GMC Jimmy

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Heater fan motor

How to remove it

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Cut the line around blower motor then replace motor and use black silicone to replace the cut out

Posted on Feb 01, 2009


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Want to change fan on blower heater


  1. Remove wiper arms.
  2. Remove cowl panel.
  3. Disconnect blower motor electrical connector and vent tube.
  4. Remove blower motor retaining screws.

  1. Remove fan retaining nut from blower shaft through plenum opening while holding the fan from the engine compartment.
  2. Remove fan from blower motor while removing blower motor from vehicle.

  1. Hold fan through plenum opening.
  2. Install blower motor to vehicle while installing fan to blower motor.
  3. Install fan retaining nut to blower motor shaft through plenum opening.
  4. Install blower motor retaining screws.
  5. Connect electrical connector and vent tube.
  6. Install cowl panel.
  7. Install wiper arms.

Aug 13, 2013 | 1991 Oldsmobile Cutlass Ciera

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Heater fan does not work

check all fuses if good replace heater fan.there r bolts that hold it in under your hood you must remove a metal braket that comes up off motor then unplug the fan unbolt it on some you may need to unbolt fan from motor to get all the way out removing the motor fist then the fan some have no bolt and r just press on reverse to install

Jan 20, 2013 | 1990 Buick LeSabre

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No fan operation on867819221 ac

It can be issue with relay or wiring of the fan causing the problem.
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Jul 17, 2012 | Cars & Trucks

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Heater, and air conditioning not working. All fuses and relay switches are functional, but no power to heater.

  • Disconnect the ground cable from the negative battery terminal by loosening the retaining bolt and pulling the clamp off the terminal.
  • Locate the heater motor access panel. It will be a flat piece of black plastic underneath the dash on the passenger side of the Caravan, just behind the glove box. Use a socket to remove the five screws that secure the access panel to the dash.
  • Disconnect the plastic electrical connector from the heater motor by prying the retaining tab away from the connector with a flat-head screwdriver and pulling the connector off the motor.
  • Use a socket to remove the four screws that secure the heater motor to the dash. Pull out the heater motor and fan blades as an assembly.
  • Remove the nut in the center of the fan blades that secure the fan blades to the motor's shaft.

  • Dec 06, 2010 | 1992 Plymouth Acclaim

    1 Answer

    How to remove the heater blower fan on 92 chevy 1500

    1991-92 R/V and 1991-98 C/K Series
    1. Disconnect the negative battery cable.
    2. Drain the cooling system.
    3. Remove the instrument panel glove compartment.
    4. Tag and unplug all electrical leads as necessary.
    5. Remove the center air distribution duct from the floor.
    6. If necessary, remove the ECM and mounting tray.
    7. Remove the hinge pillar trim panels.
    8. Remove the blower motor cover and then remove the motor.
    9. Remove the steering wheel and tilt back the instrument panel slightly.
    10. Remove the coolant overflow tank. Disengage the heater hoses at the core connections.
    11. Unfasten the attaching screws and nut and then remove the heater case.
    12. Remove the seven screws and lift off the heater case cover.
    13. Remove the fasteners and brackets that hold the heater core to the case and lift the core from the case.
    To install:
    1. Install the heater core in the case.
    2. Install the heater case bottom plate. Make sure there is a good seal.
    3. Install the heater case into the truck. Tighten the 4 lower screws to 17 inch lbs. (2 Nm); the upper screw to 97 inch lbs. (11 Nm); and the nuts to 25 inch lbs. (2.8 Nm).
    4. Connect the heater hoses at the core tubes.
    5. Install the coolant overflow tank.
    6. Install the instrument panel and the steering wheel.
    7. Install the blower motor and cover.
    8. Install the trim panels and if removed, the ECM. Install the air distribution duct and reconnect all electrical leads.
    9. Install the glove compartment. Fill the cooling system and connect the battery cable.

    1992-98 Models
    (see Figure 4)
    1. Disconnect the negative battery cable.
    2. Remove the right rear quarter panel trim.
    3. Disconnect the electrical lead at the fan.
    4. Remove the screws and if equipped, the cooling tube.
    5. If necessary, remove the fan retaining nut and lift out the blower fan.
    6. Remove the blower motor.
    To install:
    1. Install the blower motor and then position the fan.
    2. Install the retaining nut and then tighten the mounting screws to 12 inch lbs. (2 Nm).
    3. If removed, install the cooling tube.
    4. Connect the electrical lead. Install the quarter panel trim cover.
    5. Connect the battery cable.

    Fig. 4: Auxiliary heating and A/C system

    Hope this helps (remember to rate this answer).

    Nov 09, 2010 | 1992 Chevrolet C1500

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    98 Saturn SL2, AC/Heater Clicking

    You need to replace the heater/AC blower motor the motor shaft bearing is defective..

    Jun 18, 2017 | Saturn SL2 Cars & Trucks

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    Safari 92 how can I get TO that heater fan?

    you have to remove cowl vent grille.disconnect the transmission link from the crank arm on the motor by prying it toward the rear of the vechicle.remove the motor mounting bolts and remove the motor.then put new fan motor back in visa versa.

    Nov 26, 2009 | GMC Safari Cars & Trucks

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    1999 heater fan

    The Blower motor (heater fan) is under the dash on the passenger side of the car. there is a panel that has to be removed to get at the fan and can be removed with a small pry bar and patience. before the fan gets removed, check the fuses first, also check the motor by disconnecting the wires going to it and putting power directly to it (this will take some small wires to do). By doing all of this, you will determine if the blower motor is actually the problem. if the fan works when it has direct power, then the problem is someplace else.

    Jan 17, 2009 | 1999 Pontiac Grand Am GT

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    Heater Blower Motor

    Remove the glovebox door, and the under dash cover/trim panel.

    Look behind where the glove box was, you will see the heater box

    At the bottom of this box, there is a round plate with a wiring connector and 3 screws holding this plate to the heater box.

    This plate is the bottom of the heater fan assembly; remove the connector, and the 3 screws. The fan motor will drop staright down. Real easy to do.

    Oct 20, 2008 | 1996 Toyota Avalon

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