Question about 2004 Chevrolet Monte Carlo

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Replacing heater core on 2004 monte carlo - 2004 Chevrolet Monte Carlo

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  • Anonymous Mar 16, 2014

    Labor cost for replacing heater core on a 2004 Monte Carlo 3800

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REMOVAL PROCEDURE 1. Remove the fuel injector sight shield. 2. Drain the cooling system. Refer to Draining and Filling Cooling System in Cooling System. 3. Use J 38185 in order to position aside the heater hose inlet and outlet clamps at the heater core. 4. Disconnect the inlet and outlet heater hose from the heater core. 5. Remove the RH Instrument Panel Closeout/Insulator panel. 6. Remove the LH Instrument Panel Closeout/Insulator panel 7. Remove the floor carpet. 8. Remove the rear floor air outlet duct from the holes in the floor reinforcement. 9. Disconnect the rear floor air outlet duct from the heater air outlet cover. 10. Remove the rear floor air outlet duct. 11. Remove the heater air outlet cover screws (2). 12. Remove the heater air outlet cover heat stakes (1) with a small chisel. 13. Remove the heater air outlet cover from the HVAC module assembly. 14. Remove the heater core cover screws (2). 15. Remove the heater core cover heat stakes (1) with a small chisel. 16. Remove the heater core cover from the HVAC module assembly. 17. Remove the heater core from the HVAC module assembly. 18. Remove the heater core foam seal (1) from the HVAC module assembly

Posted on Nov 08, 2009

  • INDIRA KUMAR
    INDIRA KUMAR Nov 08, 2009

    INSTALLATION PROCEDURE



    1. Install a new heater core foam seal (1) to the HVAC module assembly.
    2. Install the heater core to the HVAC module assembly.

    3. From the inside of the heater core cover, drill the dimples adjacent to the heat stakes using a 5.5 mm (7/32 in) drill bit.
    4. Install the heater core cover to the HVAC module assembly. NOTE: Refer to Fastener Notice in Service Precautions.
    5. Install the heater core cover screws (2). Tighten Tighten all screws to 1.5 N.m (13 lb in) .

    6. From the inside of the heater air outlet cover, drill the dimples adjacent to the heat stakes using a 5.5 mm (7/32 in) drill bit.
    7. Install the heater air outlet cover.
    8. Install the heater air outlet cover screws (2). Tighten Tighten the screws to 1.5 N.m (13 lb in) .
    9. Connect the rear floor air outlet duct to the heater air outlet cover.
    10. Install the rear floor air outlet duct to the holes in the floor reinforcement.
    11. Install the floor carpet.
    12. Install the RH Instrument Panel Closeout/Insulator panel.

    13. Install the LH Instrument Panel Closeout/Insulator panel.
    14. Connect the inlet and outlet heater hose to the heater core.
    15. Use J 38185 in order to reposition the heater hose inlet and outlet clamps to the heater core.
    16. Install the fuel injector sight shield.
    17. Fill the cooling system. Refer to Draining and Filling Cooling System in Cooling System.


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6 Suggested Answers

6ya6ya
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SOURCE:

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Posted on Jan 02, 2017

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GM Elec
  • 1000 Answers

SOURCE: I need to know how to change a heater core in a 81

A good place to find such information is at WWW.AutoZone.com.
You can select your make and model of vehicle, go to the "how to" section and in many cases it will give you the instructions for replacing various parts and it is free.
AllData.com is another resource that you will pay less than $30 a year for your first vehicle, it is an on-line service manual web site, very good.
Below is the procedure for replacing your heater from the Auto Zone site.
Good luck, let me know.
Regards,

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.

Posted on Sep 15, 2009

weekspena
  • 375 Answers

SOURCE: where is the heater core

behind the glove box maby this will help!
Inspect/Replace 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.

Posted on Jan 13, 2011

  • 1 Answer

SOURCE: not hot air from heater

it could be a low coolant level or stuck thermostat or maybe even a clogged line you can try changing the thermostat or getting your radiator flushed out at like jiffylube or a place like that

Posted on Mar 12, 2009

  • 98 Answers

SOURCE: how long will it take to replace a heater core in

the book time shows 2.3 hours that is if you have experience. there is no secret. just patience and dont get frustrated its up under the dash behind the center console. dont forget to take off the two heater hoses going to the heater core.

Posted on Nov 01, 2009

wracefans24
  • 1985 Answers

SOURCE: heater takes forever to heat up

it may be time to put a new thermostat in,that will bring the engine up to operating temp quicker,and your vehicle computer and sensors are designed to be at 195degrees

Posted on Dec 09, 2009

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1 Answer

How long does it take to install heater coil in 2001 chevy monte carlo


book time to replace the heater core.

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I have a 2004 Monte Carlo LS and I have a leak on the drivers side floor only... any ideas?


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if it helps please leave positive feed back 4 thumbs

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1 Answer

Where is the heater core located on a 2005 Monte Carlo?


behind the glove box maby this will help!
Inspect/Replace 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

Hi. my 2003 monte carlo ss is blowing cold air when I put the heater on? I did notice I need a anti freeze flush. Could this be the problem?


a system flush is a good idea this time of the year.make sure the system is full.water may not be getting to the heater core.also check heater control valve if apply.

I’m happy to help further over the phone at https://www.6ya.com/expert/kenneth_3efc1f8510674f04

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