HelloThe engine and automatic transmission in this vehicles drive train are fully electronically controlled by a computer called the PCM (Power Train Control Module). Whenever a problem like this occurs the computer stores a record of the problem (there are of course some exceptions to this, like the fuel pump, engine coolant temperature sensor and MAF sensor for instance) in the form of a fault code in its memory, to read these fault codes you must have the systems memory scanned with a special tool. Once the fault code(s) are read you then must perform the appropriate diagnostic testing to find and resolve the problem(s) DO NOT REPLACE ANY PARTS UNTIL A TRAINED TECHNICAIN HAS DIAGNOSED THE PROBLEM TO AVOID SPEDING YOUR HARD EARNED MONEY ON PARTS THAT MAY NOT CORRECT THE PROBLEM
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
-------------- How to Flush Heater Core?
http://schematicsdiagram.blogspot.com/2011/12/how-to-flush-heater-core.html
--------------- How to Remove Heater Core ?
http://howtobyme.blogspot.com/2011/12/how-to-remove-heater-core-on-2008-honda.html Heater Core Replacement?
http://howtobyme.blogspot.com/2011/12/honda-heater-core-replacement.html
------------ To replace heater core?http://technoanswers.blogspot.in/2012/02/how-to-replace-heater-core-on.html------
How to replace heater core?http://technoanswers.blogspot.in/2012/02/how-to-replace-heater-core-on_10.html How to replace heater core on car models?
http://howtobyme.blogspot.in/2012/02/how-to-replace-heater-core-on-buick.html ----------This will help.Thanks.
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