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 Tim's Auto Repair Your Own Question

Tim's Auto Repair
Tim's Auto Repair, mechanic
Category: Honda
Satisfied Customers: 12799
Experience:  Have owned a repair shop for 25 yrs.
Type Your Honda Question Here...
Tim's Auto Repair is online now
A new question is answered every 9 seconds

how do you remove a heater core in a 1992 Honda Accord XL

Resolved Question:

how do you remove a heater core in a 1992 Honda Accord XL?
Submitted: 4 years ago.
Category: Honda
Expert:  Tim's Auto Repair replied 4 years ago.

hi

please print this so you can get it to your brother

thanks

Please ACCEPT my answer so I can get credit for my work.i don't receive commission unless you do ..I'm not always going to be giving you good news,so please don't let this stand in the way of you accepting my answer.it does not cost you more money.we will still be able to communicate.. Bonuses and positive feedback are appreciated!if you are not satisfied with my answer,please do not leave bad feed back,i will gladly opt out and let another expert handle the question.PLEASE ASK IF YOU NEED MORE HELP

 

Honda Accord/Prelude 1984-1995

Heater Core

  • REMOVAL & INSTALLATION

 

REMOVAL & INSTALLATION

 

See Figures 1 and 2



Click image to see an enlarged view

Fig. Fig. 1: The heater core is secured to the unit by clamps



Click image to see an enlarged view

Fig. Fig. 2: After the clamps are removed, the core can be extracted from the unit

1984-85 Accord and 1984-87 Prelude

See Figures 3 and 4

  1. Disconnect the negative battery cable.
  2. Drain the coolant from the radiator.
  3. From under the dash, remove the heater pipe cover and clamp.
  4. Remove the heater core retaining plate.
  5. Place a drip pan under the heater pipe connections.

 

 

FIG : Fig. 3: Heater assembly used on 1984-85 Accords. Note the heater valve is located on the side of the assembly

image

 

 

  1. Pull out the cotter pin of the joint hose clamp and separate the heater pipes. Some coolant will run out, be sure to have the drip pan in place.

 

 

FIG : Fig. 4: Heater assembly found on 1984-87 Preludes

image

  1. Pull the heater core from the heater housing.


To install:

  1. Slide the heater core into the housing.
  2. Connect the heater pipes. Use new clamps if necessary.
  3. Install the heater core retaining plate. Tighten the screws until snug.
  4. Install the heater pipe cover and clamp.
  5. Fill the cooling system.
  6. Start the engine. Turn the heater on and check for leaks.


1986-89 Accord

See Figures 5 and 6

  1. Disconnect the negative battery cable.
  2. Drain coolant from the radiator. Put a drain pan underneath the hose connections at the firewall. Note the hose locations, then disconnect the two hoses.
  3. Disconnect the heater valve cable from the valve. Remove the two lower heater mounting nuts.

FIG : Fig. 5: Heater mounting on models with pushbutton controls

image

On push button type heaters, disconnect the cool vent cable at the heater. On lever type heaters, disconnect the function cable and the air mix cable from the heater.

FIG : Fig. 6: Heater mounting on models with lever controls

image

  1. Remove the dashboard.
  2. Remove the heater ducts.
  3. On pushbutton type heaters, disconnect the air mix cable from the heater and the wiring harness from the connector.
  4. Remove the bolts, then pull the heater assembly away from its mounts.
  5. Remove the screws securing the heater core, then slide the core out of the heater assembly.


To install:

  1. Install the heater core into the heater assembly. Tighten the screws securing the heater core until snug.
  2. Position the heater assembly on its mounts, then tighten the retaining bolts.
  3. On pushbutton type heaters, connect the air mix cable and engage the wiring harness connector.
  4. Install the heater ducts.
  5. Install the dashboard.
  6. On push button type heaters, connect the cool vent cable at the heater. On lever type heaters, connect the function cable and the air mix cable to the heater.
  7. Install the two lower heater mounting nuts.
  8. Connect the heater valve cable to the valve. Connect the hoses to the heater core; use new clamps as necessary.
  9. Refill the cooling system. Start the engine and check for leaks.


1990-93 Accord

See Figure 7

  1. Disconnect the negative battery cable. If so equipped, disable the Supplemental Restraint System (SRS).
  2. Drain the engine coolant.
  3. Label and disconnect the heater hoses at the firewall. Be prepared to contain spilled coolant from the hoses and fittings.
  4. Disconnect the heater valve control cable from the valve.
  5. Remove the dashboard.

FIG : Fig. 7: Heater assembly used on 1990-93 Accords

image

  1. Remove the dashboard support pipe.
  2. Remove the 4 mounting bolts, then remove the heater assembly.
  3. Remove the heater core cover and the clamp securing the heater core.
  4. Remove the core from the heater assembly.


To install:

  1. Slide the core into the heater assembly.
  2. Install the heater core clamp and cover.
  3. Position the heater assembly in the vehicle and secure it with the mounting bolts.
  4. Install the dashboard support pipe.
  5. Install the dashboard.
  6. Connect the heater control valve cable to the valve.
  7. Connect the heater hoses at the firewall.
  8. Refill the engine coolant.
  9. If applicable, enable the SRS.
  10. Connect the negative battery cable. Start the engine and check for leaks.

Tim's Auto Repair, mechanic
Category: Honda
Satisfied Customers: 12799
Experience: Have owned a repair shop for 25 yrs.
Tim's Auto Repair and 2 other Honda Specialists are ready to help you
Customer: replied 4 years ago.
My Brother is a Machanic and has been for many many years and he say this has bafled him ? He has done everything till he got to the box of a thing and he just can't get it open ? I copied this page for him and I hope that it helps him when he see the image? Is their anymore advise that you could give to to me so that I can pass it along to him?
Expert:  Tim's Auto Repair replied 4 years ago.

hi

this is all the pictures i have for this..he will get it when he has seen the pictures..the box just unscrews

thanks

Tim's Auto Repair, mechanic
Category: Honda
Satisfied Customers: 12799
Experience: Have owned a repair shop for 25 yrs.
Tim's Auto Repair and 2 other Honda Specialists are ready to help 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... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...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:

 
 
 
  • Thank you very much for saving my daughter and her family a lot of money on her Honda. You are definitely on my list for future help. Thanks, again. Fred USA
< Last | Next >
  • Thank you very much for saving my daughter and her family a lot of money on her Honda. You are definitely on my list for future help. Thanks, again. Fred USA
  • I just heard from my mechanic. You were right...a $45.00 job. THANK YOU!! Your response was received in less than 10 minutes!! Linda B. USA
  • Your answers were clear and the diagrams were perfect. Dealer wanted $87 for an hour of labor and even I did it in 15 minutes. Ed USA
  • HONDA PLATINUM was great. I really appreciate his help. I was ready to trade my new Honda until he told me to wait until I got 3,000 miles on it and my gas mileage would get much better. Summer USA
  • I took the Power Steering O-Ring service bulletin linked from JustAnswer to my Acura dealer, and not only did they no-charge the o-ring, they also replaced the power steering pump at no cost. Gary R Stevenson Ranch, CA
  • Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help. Mary C. Freshfield, Liverpool, UK
  • This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!! Alex Los Angeles, CA
 
 
 

Meet The Experts:

 
 
 
  • Kyle N.

    Honda Master Tech

    Satisfied Customers:

    3627
    Honda Dealer Tech, ASE Master Auto Tech
< Last | Next >
  • http://ww2.justanswer.com/uploads/hondatech/2010-05-03_025935_resized_work_pic.jpg Kyle N.'s Avatar

    Kyle N.

    Honda Master Tech

    Satisfied Customers:

    3627
    Honda Dealer Tech, ASE Master Auto Tech
  • http://ww2.justanswer.com/uploads/hondacb77/2008-10-27_165606_me3.jpg John G.'s Avatar

    John G.

    Honda Technician

    Satisfied Customers:

    2643
    Dealership tech since 1982. ASE and Honda Master Technician.
  • http://ww2.justanswer.com/uploads/MU/muddyford/2012-6-13_1204_1.64x64.png Chris (aka-Moose)'s Avatar

    Chris (aka-Moose)

    Technician

    Satisfied Customers:

    204
    16 years of experience
  • http://ww2.justanswer.com/uploads/FO/fordguy4u/2011-12-17_222940_HPIM1257.64x64.JPG Ron's Avatar

    Ron

    ASE Certified Technician

    Satisfied Customers:

    175
    ASE Certified Tech 34 years.
  • http://ww2.justanswer.com/uploads/EU/eurotec/2012-6-11_13153_mpjaphoto.64x64.JPG Marty's Avatar

    Marty

    Bosch Master Tech

    Satisfied Customers:

    113
    Bosch Certified Master Technician
  • http://ww2.justanswer.com/uploads/AM/amedee/2013-10-24_23656_Amedee1.64x64.jpg Amedee's Avatar

    Amedee

    ASE Master Technician

    Satisfied Customers:

    1112
    ASE Master Technician advanced level specialist. Wisconsin certified emissions state inspector
  • http://ww2.justanswer.com/uploads/TH/thebesthonda/2011-1-15_04510_Photo022009005.64x64.jpg thebesthonda's Avatar

    thebesthonda

    ASE MasterTechnician

    Satisfied Customers:

    2299
    26 years experience