Question about 2004 Pontiac Grand Prix

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How to remove heater core 2004 grand prix - 2004 Pontiac Grand Prix

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The entire dash does not need to be removed.
Disconnect the heater inlet and outlet hoses which enter the firewall directly under the 'hard lines' for the AC'. near the center/driver side of the fire wall. Note: A cable operated clamp removal tool helps access. They sell them at Autozone in the 'OEM' tool section)
Remove the lower kick panels on both sides.
Remove the seats and console and carpet (to access and remove the duct which goes from the bottom of the heater core outlet cover to the back seat area)
Remove the outer heater core cover.
(Note: First time through the outer heater core cover is held on only by heat stakes, no screws. You need to break the head of each of these heat stakes (look like donuts) to remove the case.
Remove the inner heater core cover (also heat stakes).
Remove the heater core.
Installation is reverse of removal.
You'll need to drill the marked dimples next to each of the now broken heat stakes. Drill 5.5mm holes in cover in these areas and replace cover with screws which should be available from GM dealer.

Posted on May 08, 2011

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You have to take out the whole dash board. the location of the unit is behind the radio near the windshield

Posted on Oct 12, 2009

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Posted on Jan 02, 2017

weekspena
  • 375 Answers

SOURCE: how to change heater core on 2007 grand prix

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 11, 2011

Ajkill
  • 2035 Answers

SOURCE: How do you remove the

Please click on this link:

http://www.autozone.com/shopping/repairGuide.htm?pageId=0900c15280090f6d


good luck....

Posted on Sep 10, 2008

  • 14036 Answers

SOURCE: 1999 grand prix, heater core went out. Need help

you are going to need a manual with a diagram.because you going have to remove parts under the hood.you going have to remove floor console.and lower instrument panel insulator. on both sides.

Posted on Jul 15, 2009

  • 1 Answer

SOURCE: can't remove dash to replace heater core in 2004 jeep grand chero

Need more info.
Where is your hang up? If I remember correctly the Jeep dash pad (all of the plastic) comes off first then if you need more access, the metal structure of the dash comes out. Make sure you un-bolt and un-plug the Passenger Air Bag because that comes with the dash pad. DISCONNECT THE BATTERY while the air bag is disconnected and make sure your body is grounded while you un-plug and plug in the air bag!!!

Posted on Apr 20, 2009

  • 3911 Answers

SOURCE: where is the heater core located on the 2005

almost all heater cores are located under the dashboard, just above the passenger's feet, encased in a black plastic box. It ain't easy to take the dash apart and change it. I would first make sure it is not under the GM warranty as 5 years is too short a life for the core. If it is out of warranty then I would get a new core at a parts store and pay an auto heating and air conditioning repair shop to put it in. That way you beat the high dealer parts and labor price.

Posted on Oct 07, 2010

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Hey Monica, I did look it up you can find it in full detail at autozone library (its all free) no spam ever , just log in and list your vehicle go to repair guide and then to heating and a/c , I hope this helped you , if it did please let me know by checking box below (helpful ) thanks.
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The heater core is under the dash. Go to autozone.com and register with them. Look up heater core in repairs. They will give you free instructions on how to remove and install.

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1 Answer

Where is the heater core located on a 2004 grand prix


behind the console kinde behind the radio only lower down, may even have to remove the glove box as well to get to it there in there prity good

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How do i get the heater core out of my 2004 grand prix


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

Leaking water from heater core 1999 gran prix


If leaking coolant under dash on passenger side floor broad it's your heater core. Call's for 2.8 labor flat time to remove heater core, in some case's you'll have to recover, evacuate and recharge your A/C system to remove your heater core.Sit under dash on passenger side.

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I need to replace my heater core


Bad news. You will have to remove the entire dash board to replace that heater core. Sorry

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