How JustAnswer Works:

  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.

Ask Rich Your Own Question

Rich, Technician
Category: Car
Satisfied Customers: 708
Experience:  ase certified, mitsubishi certified, kia certified and landrover certified technician
Type Your Car Question Here...
Rich is online now
A new question is answered every 9 seconds

R&R heater core kia rio 2003

Customer Question

R&R heater core kia rio 2003
Submitted: 7 years ago.
Category: Car
Expert:  Rich replied 7 years ago.

Hi J Beverding,

This repair requires a bit of work, removal of the dash board is required to access the heater box and replace the heater core. Here is the manuals instruction for this. Make sure you discharge the ac before disconnecting the lines for your safety.


Good Luck,




  1. Before servicing the vehicle, refer to the Precautions Section.
  2. Disconnect the negative battery cable. CAUTION After disconnecting the negative battery cable, wait for at least 10 minutes for the SRS module to deplete its stored energy.
  3. Recover the refrigerant.
  4. Drain the cooling system.
  5. Remove the expansion valve from the evaporator core and plug the lines.
  6. Disconnect the heater hoses from the heater unit.
  7. Remove the crash pad as follows:
    1. Remove the front seat.
    2. Tilt the steering column down and disconnect the trip sensor connector.
    3. Remove the gauge cluster facia panel.
    4. Disconnect the trim clips and remove the center facial panel.
    5. Remove the fuse box cover.
    6. Remove the lower crash pad panel mounting screws and remove the panel.
    7. Remove the center lower tray.
    8. Remove the lower center facia panel.
    9. Disconnect the heater control cables and remove the heater control unit.
    10. Disconnect the gauge cluster connector and remove the cluster.
    11. Remove the radio assembly mounting screws and disconnect the audio connectors.
    12. Remove the radio assembly.
    13. Disconnect the damper from the glove box and remove the glove box.
    14. Remove the left and right side crash pad side cover.
    15. Remove air vents using a suitable pry tool.
    16. Remove the A-pillar trim.
    17. Remove the cowl side trim.
    18. Remove the main crash pad assembly.
  8. Remove the cowl cross bar assembly.
  9. Disconnect the heater unit electrical connectors.
  10. Remove the heater unit.
  11. Remove the heater core cover.
  12. Remove the heater core. NOTE Take care not to bend the inlet and outlet pipes of the heater core during removal. Click image to see an enlarged viewCrash pad exploded view-Rio
  13. Installation is the reverse order of removal.
  14. Fill the cooling system to the correct level.
  15. Start the engine and check for leaks.

Here is a larger picture



Customer: replied 7 years ago.
excuse my tardiness, i've been busy.yes i accept pretty straight forward but boy what a mess -o-fun i have to look forward to, yahoo. thanks for the help. wish me luck.
Expert:  Rich replied 7 years ago.

Good luck,

It is a bit of work.




Don`t forget to click accept and leave feedback, thank you

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

  • I would (and have) recommend your site to others I was quite satisfied with the quality of the information received, the professional with whom I interacted, and the quick response time. Thanks, and be sure that I'll be back whenever I need a question answered in a hurry. Stephanie P Elm City, NC
< Previous | Next >
  • I would (and have) recommend your site to others I was quite satisfied with the quality of the information received, the professional with whom I interacted, and the quick response time. Thanks, and be sure that I'll be back whenever I need a question answered in a hurry. Stephanie P Elm City, NC
  • used your service this weekend with "Trecers" help. thank you ,thank you, thank you. replaced an A/C fan motor. Local Auto Zone had part. $15.00 "tracer" fee and $40.00 for parts, I saved several hundreds of dollers at a shop. i will recommend you and use you in the future. David L. Richmond, TX
  • 9 dollars, 2 hours of my time, and I drove away. Your diagnosis was right on the mark. Thank you so much. Phil Marysville, CA
  • Lurch. Thank you very much. I had real doubts about this website but your promptness of response, quick followup and to the point answer with picture was incredible. Charles Walnut Creek, CA
  • As a single woman, I really appreciate an excellent and affordable opinion.
    Thank you Geordie, I will not hesitate to contact justanswer in the future!
    Sue Charleston, WV
  • Another great insight to what may be the problem. I will have my mechanic take a look at it tomorrow. Thanks again, do indeed know your stuff. Jim Castleberry, FL
  • Excellent reply, and also very quick. Really sounds like the Expert knows what he is talking about. I will be back to use your service when I need more help with my RV. Dutch USA

Meet The Experts:

  • Chris (aka-Moose)

    Chris (aka-Moose)


    Satisfied Customers:

    16 years of experience
< Last | Next >
  • Chris (aka-Moose)'s Avatar

    Chris (aka-Moose)


    Satisfied Customers:

    16 years of experience
  • Ted G.'s Avatar

    Ted G.

    ASE Certified Technician

    Satisfied Customers:

    20 years auto repair experience, ASE Master Tech, Mechanical Failure consultant, Expert Witness
  • George H.'s Avatar

    George H.

    ASE Certified Technician

    Satisfied Customers:

    ASE Master Tech 15+ yrs, AAS Automotive Technology, Factory trained Asian specialist
  • GM Tech (Cam)'s Avatar

    GM Tech (Cam)

    Auto Service Tech

    Satisfied Customers:

    GM Grand Master Technician 2007. 14 years experience.
  • Amedee's Avatar


    ASE Master Tech

    Satisfied Customers:

    ASE Master Tech advanced level specialist. Wisconsin certified emissions state inspector
  • Jerry's Avatar


    Master Mechanic

    Satisfied Customers:

    ASE master, 30+ years. All makes and models. Trouble shooter, shop forman, service manager
  • Richard's Avatar


    ASE Certified Technician

    Satisfied Customers:

    12 years Ford Lincoln/Mercury Jaguar dealership as a technician and shop foreman reparing all makes