Question about 1993 Pontiac Sunbird

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What are the steps needed to remove and replace the heater core

What are the steps needed to remove and replace an heater core for an 1994 pontiac sunbird 4 clynder 2.2 liter with no air condition

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REMOVE OR DISCONNECT

  1. Negative battery cable and drain cooling system.
  2. Raise vehicle and remove drain tube from heater case.
  3. Heater hoses from heater core and lower vehicle.
  4. Right and left sound insulators and steering column opening filler.
  5. Floor air outlet duct and heater core cover.
  6. Heater core mounting clamps and remove heater core.
INSTALL OR CONNECT

  1. Heater core and heater core mounting clamps.
  2. Heater core cover and floor air outlet duct.
  3. Right and left sound insulators and steering column opening filler.
  4. Raise vehicle and connect heater hoses to heater core.
  5. Drain tube to heater case and lower vehicle.
  6. Negative battery cable and fill cooling system.
  7. Check for leaks.

Posted on Apr 03, 2009

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Posted on Jan 02, 2017

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How do you know if you need and heater core or a heater control valve


For heater core replacing procedure. I suggest you to go through this related help links.Its all complete step by step procedure: ----How to replace heater core for All car models?

Click the link below: ---

http://technoanswers.blogspot.com/2011/11/how-to-replace-heater-core-for-all-car.html

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1 Answer

I need to locate the heater core on my Moms 1992 sunbird and I also need tips on how to go about replacing it


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2 Answers

How to replace heater core 1994 buick lesabre


If it is necessary to remove the heater assembly, the cooling system must be drained before removing the heater core.
When a heater core leaks, a new heater core is installed or the old one repaired.
Heater Housing
  • The heater housing is usually under the dash and must be removed to gain access to the heater core.
  • Procedures for replacing the heater core vary with the year, make, and model of car. It threfore necessary to consult the manufacturer's repair manuals for the proper procedure for replacement.
f74-01.gif The heater housing is disassembled to get to the heater core. Heater Core
  • Remove the access panels(s) or the split heater/air conditioning case to gain acess to the heater core.
  • Remove the heater coolant hoses.
  • Remove the cable and/or vacuum control lines (if equipped).
  • Remove the heater core securing brackets and/or clamps.
  • Lift the core from the case. Do not use force. Take care not to damage the fins of the heater core when removing.
  • To reinstall the heater core, reverse the removal steps.
When the heater core leaks and must be repaired or replaced, it is a very difficult and time-consuming job primarily because of the core's location deep within the firewall of the car. For this reason always leak test a replacement heater core before installation.

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1 Answer

How to take the steering wheel off a 1995 2.2 liter pontiac sunfire to change the heater core


Replacing the heater core in a Pontiac Sunfire is a very difficult and complex process. The heater core is kept within the car's heating/air conditioning module behind the instrument panel. So many other parts have to be drained and removed from the car to reach the heating/air conditioning unit that you may be better off leaving this to a professional mechanic--especially one licensed to work on air conditioning units.
Things You'll Need:

  • Wrench
  • Container
  • Air conditioning reclaimer
  • Hose clamp pliers
  • Screwdrivers
  • Heater core
  • R134a refrigerant
  • Recharge service hose
  1. Removing the Core
    • Make sure the car is cool, the front wheels are facing forward and the ignition switch is off. Drain the engine coolant by removing the drain plug at the radiator and letting the coolant pour into a clean container, then do the same at the engine block's drain plug. Recover the refrigerant by connecting an air conditioning reclaimer to the system high and low side fittings as its instructions state.
    • Disconnect the evaporator lines to the evaporator by removing its bolt and disconnect the heater hoses from the core by loosening the hose clamps with clamp pliers. Remove the drain tube from the evaporator case. Disconnect the negative battery cable.
    • Remove all the trim covers and panels from the instrument panel; some of these are screwed on and some require a flat bladed tool. Remove all air distribution ducts from the panel, the air bags, the steering wheel, the radio, the tilt and washer levers and all electrical connectors, then unscrew and remove the instrument panel from the car. Unbolt the cross vehicle beam, remove its wiring harness and remove the beam.
    • Remove the air outlet in the floor. Disconnect the wiring harness for the heater/air conditioner and the electrical connectors at the blower's motor and resistor.
    • Remove the heater/air conditioning module by removing its attaching bolts and the assembly screw. Remove the heater cover case by removing its heat stakes and screws and remove the heater core.
    • Install the replacement core into the heater/air conditioner module, then re-connect the heater core cover case. Install the assembly in the vehicle, aligning the mounting bracket to the front of the dash slot and mounting bolt hole. Reconnect the electrical connectors and wiring harness and install the floor air outlet.
    • Reinstall the cross vehicle beam and every component of the instrument panel. Reconnect the negative battery cable.
    • Install the drain tube back on the evaporator case. Connect the hater hoses and the evaporator lines.
    • Recharge the air conditioner. Connect a can of R134a refrigerant to the air conditioner's low side service fitting with a recharge service hose and a high pressure gauge to the high side fitting. Open the service hose valve while the car runs with the A/C at the max and let the vapor flow until the gauge reads between 225 and 250 PSI.
    • Refill the cooling system at the radiator filler neck. Use fresh coolant if the old liquid is dirty in any way



Dec 11, 2010 | 2005 Pontiac Sunfire

2 Answers

Need to replace heater core


If it is necessary to remove the heater assembly, the cooling system must be drained before removing the heater core.
When a heater core leaks, a new heater core is installed or the old one repaired.
Heater Housing
  • The heater housing is usually under the dash and must be removed to gain access to the heater core.
  • Procedures for replacing the heater core vary with the year, make, and model of car. It threfore necessary to consult the manufacturer's repair manuals for the proper procedure for replacement.
f74-01.gif The heater housing is disassembled to get to the heater core. Heater Core
  • Remove the access panels(s) or the split heater/air conditioning case to gain acess to the heater core.
  • Remove the heater coolant hoses.
  • Remove the cable and/or vacuum control lines (if equipped).
  • Remove the heater core securing brackets and/or clamps.
  • Lift the core from the case. Do not use force. Take care not to damage the fins of the heater core when removing.
  • To reinstall the heater core, reverse the removal steps.
When the heater core leaks and must be repaired or replaced, it is a very difficult and time-consuming job primarily because of the core's location deep within the firewall of the car. For this reason always leak test a replacement heater core before installation.

Dec 11, 2010 | 2006 Pontiac Grand Prix

1 Answer

How to replace heater core in 1992 Pontiac Sunbird


You should get a Haynes manual. You have to go on the inside of the vehicle and remove the panels, to get to the heater core. Then you have to jack the vehicle up to remove the heater core from the hoses. This is a tedious job and takes time. But not to difficult. I'm not a mechanic, and it took me about 4 hours.

Jun 06, 2010 | 1992 Pontiac Sunbird

1 Answer

Timing belt instalation 92 sunbird


Click on the following free direct LinkS. These are for your 1992 Pontiac Sunbird. They have both: the 2.0L 4-Cylinder and 3.1L V6 Engine Diagrams with the various engine options (AC/No AC etc.)
This First Link has the Belt Diagram/Front Engine Diagrams you will need to remove in order to gain access to the Timing Belt Cover, which also has to be removed so you can remove the Timing Belt.
http://www.2carpros.com/car_repair_information/year/1992/make/pontiac/model/sunbird/1992_pontiac_sunbird_drive_belt_routing_diagram.htm
This Second Link are the Timing Belt Diagrams, complete with Instructional Diagrams.
http://www.2carpros.com/car_repair_information/year/1992/make/pontiac/model/sunbird/1992_pontiac_sunbird_timing_belt_diagram_marks.htm

As far as a Step-by-Step procedure: It would literally take dozens of Pages using this type of forum. I strongly suggest for your sake: to purchase a Haynes or Chilton Manual, available at most auto parts stores for around $20-$25. These have every step-by-step procedure you will need; including the Torques Specifications for each and every Bolt and/or Nut you are removing or loosening.

Let me know if this helped, or if you have additional information or questions. Feel Free to contact me at FixYa.com!

Apr 01, 2010 | 1992 Pontiac Sunbird

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