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2003 mazda heater core removal help - Protege Mazda Cars & Trucks

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  • Ronnie Wilson May 11, 2010

    Email Address and I can send it that way THEY Dont Exept the Large files and Pictures the Heater Core Procedure Requires so Email is the way I have had Success with sending these VERY LARGE FILES W/Pictures Isnt That What you Want ? Would Love to Help you on this IT IS A MONSTER.

  • Ronnie Wilson May 11, 2010

    2003 mazda heater core removal help<<< 626- 323 rx7 ? need Model & Engine Displacment Please

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If you are mechanically enclined to due to budget going to do this yourself, the best advice anyone will ever give you is to pick up and hayes or chilton manual from your local autoparts store. they are less than 20 dollars and a mechanic will refer to these as the bible for your vehicle. they basically break down each car and make an easy to follow repair manual for the everyday person to go by.

Posted on Jan 27, 2009

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After I bleed the system still I do ant have head in the rarer I have new heater core rear and new pipes sill I don't have heat , 2003 mpv mazda tk


Your first step is to make sure coolant is getting to the rear heater core. Pipes to core should be felt or measured with a thermometer to ensure hot coolant is even getting back there. Inlet and outlet pipes should be very hot and very close to same temperature. If they are then coolant flow is good and you have a problem with air temperature blend door not routing the airflow thru the hot heater core.

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Heater core replacement on a 2003 ford sport trac


the complete climate control assembly unit is required to be removed in order to remove the heater core. The climate control assembly is attached by studs & nuts which are accessible at the firewall in the engine compartment. The R134 refrigerant will need to be evacuated and the a/c lines at the expansion valve removed in order to remove the climate unit. Hope this helps. :)

Jan 21, 2014 | 2003 Ford Explorer Sport Trac

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Mazda mpv instrument panel removal


to remove the dash to get to the heater core is a ***** if you dont have mechanical experience dont try it. It will take about 4 hours to do the job and the dealer charges 600 dollars. go to a mazda repair site and check it out

Jan 10, 2012 | 2001 Mazda MPV

1 Answer

How to remove/replace heater core 2003 R50 MINI Cooper


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.

Jan 08, 2011 | 2003 Mini Cooper

2 Answers

Need instructions for replacing 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 28, 2010 | 1997 Mazda Protege

1 Answer

2003 madza protege5 hear does not work replace and flush out the system and changed out therostat heater core does not leak nor fogg the windshild still no heat from the vents only slightly warm air out...


What is the coolant temperature after it has been running?. If the temperature is normal and you still have no heat there may be a blockage in the heater core. I would recommend reverse flushing out the heater core to try and dis-lodge whatever may be clogging it and see if that helps.

To reverse flush it just dis-connect the hoses to and from the heater core, hook a garden hose up to the oultet side, and turn on the water.

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1 Answer

How do i remove the heater core in a 2001 mazda b2500?


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.

Nov 27, 2010 | 2001 Mazda Pickup Regular Cab

1 Answer

When I turn on heater or defrost, the vehicle does not heat. I think I need to locate and replace thermostat in 2003 Mazda Tribute


if the operating temperature for the engine is normal, i would check to see if the valve that directs hot coolant to the heater core is moving. good luck.

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1 Answer

Heater core replacement


Heater Core Removal & Installation To Remove:
Heater core removal gm-10-00-651.gif

  1. Remove the heater/vent module.
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  3. Remove the heater core access cover.
  4. Remove the heater core from the heater/vent module
To Install:
  1. Install the heater core to the heater/vent module.
  2. Install the heater core access cover and screws to the heater/vent module.
  3. Install the heater/vent module assembly to the vehicle.
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1 Answer

Replacing the heater core in 2000 mazda b3000


From Haynes Repair Manual #36071, Ford Ranger Pickups 1993 - 2005 and Mazda Pickups 1994-2005 B2300, B2500, B3000, B4000: (1)Disarm the airbag system; (2)allow the cooling system to completely cool down; (3)using a thick cloth for protection, turn the radiator filler cap to the first stop; (4)step back and let the pressure release; (5)once the pressure has been released, completely drain the cooling system; (6) working within the engine compartment, loosen the ****,ps on the heater hoses at the engine compartment side of the firewall, twist the hoses and carefully sepseparate them from the heater core tubes; (7)plug or cap the heater core tubes to prevent coolant from spilling into the passenger compartment when the heater core is removed; (8)place a plastic sheet on the floor of the vehicle to prevent stains if the coolant spills; (9)remove the instrument panel; (10)remove the PCM heat sink and ground strap; (11)remove the heater plenum chamber; (12)separate the heater core from the heater plenum chamber; (13)installation is the reverse of the removal with the following additions; (a)fill the cooling system; (b)run the engine, check for leaks and test the heater

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