Question about 1991 Chevrolet K1500

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Hi, would like to be shown how to install a heater fan in a 1992 pickup 1500 350 motor with an air condition is it possiable to be emailed a diagram of how to do this... thanks bonnie

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Have a look here:
hope this helps!

Posted on Jan 11, 2009


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How to remove heater core on a 1994 isuzu pickup

Removal & Installation

Fig. 1: When installing the new heater core take great care not to bend or damage the fins or tubing
Click here if image doesn't display.
  1. Disconnect the negative battery cable.
  2. Drain the engine coolant into a suitable container. CAUTION
    When draining engine coolant, keep in mind that cats and dogs are attracted to ethylene glycol antifreeze and could drink any that is left in an uncovered container or in puddles on the ground. This will prove fatal in sufficient quantity. Always drain coolant into a sealable container. Coolant should be reused unless it is contaminated or is several years old.
  3. Disconnect the heater hoses. Be careful not to damage the core by pulling on the hose to remove. Cut the hoses if they will not come off easily.
  4. Remove the instrument panel.
  5. Disconnect the resistor assembly.
  6. If possible, disconnect and move the duct (non air conditioning) or the evaporator housing (air conditioning) to the right to gain clearance for the heater unit. If equipped with air conditioning, do not disconnect air conditioning system until absolutely necessary. Refer to Section 1 for discharging, evacuating and recharging the system.
  7. Remove the instrument panel stay and heater unit.
  8. Disassemble the heater unit by removing the duct, mode control case, core assembly and heater core. To install:
  9. Assemble the heater unit by installing the duct, mode control case, core assembly and heater core.
  10. Install the heater unit and instrument panel stay.
  11. Connect the duct (non air conditioning) or the evaporator housing (air conditioning) to the heater unit. Evacuate and recharge the air conditioning system if the system was discharged to remove the evaporator assembly.
  12. Connect the resistor assembly.
  13. Install the instrument panel as outlined in this section.
  14. Connect the heater hoses. Be careful not to damage the core by pulling on the hose.
  15. Refill the engine coolant into a suitable container.
  16. Connect the negative battery cable and check for leaks.

Jan 30, 2011 | 1994 Isuzu Pickup

2 Answers

I cant find the blower motor

If you mean the climate control blower motor, it's usually under the dash on the passenger side on Hondas.

1990-93 Accord
  1. Disconnect the negative battery cable. If so equipped, disable the Supplemental Restraint System (SRS).
  2. Remove the glove box.
  3. Remove the glove box frame (lower support) Fig. 2: Remove the glove box and frame 86806004.gif

  4. If not equipped with air conditioning:
    1. Remove the three screws and remove the heater duct.
    2. Remove the blower mounting nuts. Unplug the wiring from the blower motor, resistor and recirculation control motor, then remove the blower assembly.
  5. If equipped with air conditioning:
    1. Lift the carpet in the passenger compartment. Remove the side cover (kick panel).
    2. Remove the control unit bracket nuts; unplug the five connectors and remove the control unit bracket.
    3. Remove the retaining band, then remove the blower lower covers. Do not break the tabs on the lower covers.
    4. Remove the retaining nuts and remove the blower assembly. Fig. 3: Air conditioned models require the removal of the control unit. Handle it carefully 86806005.gif
      Fig. 4: Remove the lower covers from the blower unit 86806006.gif
      To install:
  6. Install the blower unit and tighten the retaining nuts.
  7. On air conditioned vehicles:
    1. Install the lower covers and the retaining band.
    2. Install the control unit bracket and carefully engage the wiring connectors to their proper location.
    3. Install the kick panel and reposition the carpet.
  8. Connect the wiring to the blower assembly. For non-air conditioned vehicles, install the air duct and tighten the screws.
  9. Install the glove box frame and install the glove box. Note that some of trim on the frame is held with 2-sided tape; replace the tape when reassembling as necessary.
  10. If applicable, enable the SRS.
  11. Connect the negative battery cable.
1988-91 Prelude
  1. Disconnect the negative battery cable.
  2. Remove the glove box and frame (lower support).
  3. Remove the 4 screws and remove the heater duct. Fig. 5: The glove box and frame are secured by several small screws 86806007.gif

  4. Remove the 3 mounting bolts.
  5. Unplug the wiring connectors from the blower motor, resistor and recirculation controller. Remove the blower motor assembly.
  6. Reinstall in reverse order. Make certain the blower mating surfaces are tightly sealed.

Jan 08, 2011 | 1992 Honda Accord

1 Answer

The low/med/high fan switch on my 1985 Toyota pickup is no longer working, How do I replace the heater fan blower switch?

Don't go there just yet ! Most heater motor speed problems relate to the heater resistor ! It's located in the ducting close to the motor assy and usually has 4/5 wires on to it and a 2 screw fixing. This componant must be cooled (hence air duct location) and is solely responsible for motor speeds ! You can check motor fan by test lamp/meter ! Good Luck

Dec 13, 2010 | 1985 Toyota Pickup

1 Answer

AC or heater fan does not work?

The most common problem with these fans are the fan itself wears out, or the relay becomes burnt at the contacts inside, or both.

  1. Disconnect the negative battery cable.
  2. If necessary on 1992 and 1993 Typhoons, remove the charge air cooler. For details, please refer to Section 3 of this manual. Fig. 1: Example of a common blower motor installation - vehicles without A/C shown 85386001.gif

  3. Disconnect the blower motor cooling tube.
  4. Disengage the electrical connector(s) from the blower motor, as necessary. NOTE: On some earlier models equipped with A/C, it may be necessary to disconnect the A/C vacuum tank and move it aside.
  5. Remove the blower motor-to-case screws, then carefully withdraw the blower motor from the case. To install:
  6. Install the blower motor to the case and secure using the retaining screws.
  7. Engage the electrical connector(s) to the motor, as necessary.
  8. If moved on early model vehicles, reposition and secure the A/C vacuum tank.
  9. Connect the blower motor cooling tube.
  10. If removed on 1992 and 1993 Typhoons, install the charge air cooler.
  11. Connect the negative battery cable. Fig. 2: Disconnect the blower motor cooling tube 86616001.jpg
    Fig. 3: Disengage the necessary electrical connector(s) from the blower motor 86616002.jpg
    Fig. 4: Loosen and remove the blower motor retaining screws 86616003.jpg
    Fig. 5: Withdraw the blower motor from the case 86616004.jpg
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Nov 19, 2010 | 1991 Oldsmobile Bravada

2 Answers

I need to replace the heater fan. How do I do it and where is the fuse located?

Chevrolet pickup trucks utilize an electric heaterfan to push hot air into the cab. Hot engine coolant leaves the engine andflows through a heater hose to the heater core, a small copper brass oraluminum radiator mounted in the vehicle's firewall. The heater fan blows airducted either from the passenger compartment or outside the vehicle, over theheater core's fins, drawing heat off the core. Electric or vacuum-controlleddoors in the interior heating system's ducting controls whether the hot air isblown at the floor, dashboard vents or against the windshield.

? On a Chevy pickup, the heater fan is locatedalong the firewall inside the passenger side fender. Stand in front of thevehicle and look at the air-conditioning condenser mounted on the engine.Follow the hoses that lead back toward the air-conditioning coil. The hoseswill connect to a large fiberglass box bolted to the firewall---this is theheater case. If your vehicle was not originally equipped with air conditioning,follow the heater hoses back to the fiberglass box. The heater fan will bemounted on the left side of the heater case (your left not the vehicle's) justbehind the fender well. Removal
Beginby disconnecting the ground cable from the negative battery terminal. Loosenthe bolt on the clamp and pull the ground cable off the negative batteryterminal. Locate the heater fan and disconnect the positive and negativeelectrical leads. Take notice of which terminal on the electrical motor theblack wire is connected to. Black wiring in automotive applications representnegative or ground. The wires must be installed on the new motor in the sameposition as they were on the old. They will be attached with plastic connectorsthat can simply be pulled off the contacts. The heater fan is bolted to the heatercase with three or four hex head screws. Remove these screws and pull theelectric motor straight out. With the motor removed, you will be able to seethe plastic fan blades mounted on the back side of the motor. Remove theretaining nut that connects the fan blades to the electric motor and pull theblades off. Installation
? Installation is the reverse of removal. Beginby reattaching the fan blade to the electric motor and reinstalling theretaining nut. Then slide the heater fan assembly back into position in theheater case. Reinstall the three to four hex head screws that secure the case.Then reconnect the positive and negative electrical leads, making sure toconnect the black wire to the negative terminal. Finally, reconnect the groundcable to the negative battery terminal.

Read more: Replacing a Chevy Pickup Heater Fan '

Nov 09, 2010 | Chevrolet Blazer Cars & Trucks

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Where can find a fuse panel diagram for a 1986

You should be able to find a fuse panel diagram in the back of any repair manual(Haynes) which you can get at any auto parts store. The fuse panel in the glove box is for your fan and air conditioning. The other fuse panels are general. Your truck should be a 22r carborated motor unless altered.

May 01, 2009 | 1986 Toyota Pickup 4WD

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A diagram of how to install a heater fan in a 1992 pickup

well its an easy replacment unhook the power and ground wires on the motor remove the bolts and remove the motor install the new one

Jan 11, 2009 | 1991 Chevrolet K1500

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