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Old 04-09-2011, 10:48 PM   #1
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Default Heater Core 05 Grand cherokee.... how to?!?

Does anyone have a link for instructions for a heater core replacement for a 2005 Jeep Grand cherokee with a Hemi 4wd?
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Old 04-10-2011, 10:51 AM   #2
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I know this may not seem like help, but do yourself a huge favor and go buy a Haynes Manual
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Old 04-27-2011, 02:23 PM   #3
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Just wanted to see if you had any luck on finding information about how to do this repair.
My 05 Grand Cherokee Limited 5.7 v8 also needs a new heater core and is leaking coolant into the front passenger floorboard.
Im waiting for a copy of the Haynes repair book to come in the mail but still unsure if I should attempt this myself. Autozone.com has an online instruction guide for this repair and makes it seem as though it isn't something I should do since I don't have the proper tools and equipment to drain and replace the AC refrigerant. If this isn't a necessary step I think I can do this on my own. Considering that the cheapest I've seen the part is $64 plus the cost of new coolant, it should be possible to do it for less than $150, but the few quotes I've gotten from repair places is between $400 and $1100.

So I'm really just curious as to the outcome of your repair. Did you have a repair shop do it or did you do it yourself and if so would you recommend others do it themselves also ? Any information would be extremely helpful, Thanks.

//Michael Moore
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Old 04-27-2011, 03:53 PM   #4
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I would have it done at the place that gave you the lowest quote. You're going to open up a huge can of worms when it comes to removing the dash, and you run a big risk of destroying the dash in the process. Are you sure there is not some sort of recall or warranty that will cover this?
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Old 04-27-2011, 07:26 PM   #5
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  1. Drain the engine cooling system.
  2. Disconnect and isolate the negative battery cable.
  3. If required, disconnect the heater hoses from the heater core tubes in the engine compartment.
  4. Remove the instrument panel. Refer to Instrument Panel, Gauges and Warning Indicators/ Instrument Cluster / Carrier/ Service and Repair/ Procedures. See: Instrument Panel, Gauges and Warning Indicators\Instrument Cluster / Carrier\Service and Repair
  5. Remove the five screws (1) that secure the heater core and tube cover (2) to the HVAC housing (3).
  6. Remove the heater core and tube cover from the HVAC housing.
  7. If equipped with dual zone heating-A/C, remove the blend door actuator (1) from the passenger side of the HVAC air distribution housing (2). See: Heating and Air Conditioning\Air Door\Air Door Actuator / Motor\Service and Repair
  8. Remove the screw (3) that secure the heater core tubes (4) and retaining bracket (5) to the HVAC housing (6).
NOTE: Take proper precautions to protect the carpeting from engine coolant. Have absorbent toweling readily available to clean up any spills.


  1. Remove the bolt (7) that secures the heater tubes to the heater core (8).
  2. Disconnect the heater core tubes from the heater core and remove and discard the O-ring seals.
  3. Install plugs in, or tape over the opened heater core ports.
  4. Carefully pull the heater core out of the HVAC air distribution housing.
  5. If required, remove the heater core tubes from the vehicle.
Part OEM Part Price Heater Core Heater Core 5143101AA $80.10
Warranty
Standard Heater Core Replace B Warranty Pays 2.3 hours
Customer pays 4.6
Does Not Include: Refrigerant Recovery Or Evacuate & Recharge AC System.
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Old 04-27-2011, 07:28 PM   #6
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Im not seeing any reason to mess with the AC Lines, The pictures dont show anything on the AC lines either.

Ron
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