Dodge

Dodge Repair Questions? Ask a Mechanic for Answers ASAP

Ask an Expert,
Get an Answer ASAP!

Dodge

HELP... I am replacing a heater core in 2005 Dodge Neon.

Customer Question
HELP... I am replacing a heater core in 2005 Dodge Neon.
Submitted: 8 years ago.Category: Dodge
Ask Your Own Dodge Question
Answered in 13 minutes by:
5/5/2009
Dodge Mechanic: Eric, Automotive Repair Shop Manager replied 8 years ago
Eric
Eric, Automotive Repair Shop Manager
Category: Dodge
Satisfied Customers: 32,786
Experience: 20+ yrs. experience as repair shop manager and technician.
Verified

Hi,

 

The dash has to come out in order to replace the heater core:

 

  1. Before servicing the vehicle, refer to the Precautions section.
  2. Disconnect the negative battery cable.
  3. Discharge and recover the air conditioning system refrigerant.
  4. Remove the instrument panel from the vehicle by removing or disconnecting the following:
    WARNING Lock the steering wheel in the straight-ahead position; this will prevent damage to the clockspring


    Push the seats back all the way Pry out the left and right A-pillar trim moldings and remove (using a trim stick tool) Upper instrument panel cover Pull up on the cluster bezel (carefully), and remove it from the vehicle Pull the instrument panel cover rearward (carefully), and remove it from the vehicle


    Steering column as an assembly Left and right instrument panel end caps Center console Depress the Data Link Connector (DLC) sides and remove the DLC from the instrument panel reinforcement 4 bulkhead instrument panel screws 2 brake pedal support bracket bolts 2 center support mounting bolts Left and right A-pillar bolts; there are 2 on each side Antenna connector from the right side Left and right A-pillar door harness connectors 2 HVAC wiring harness connectors from the top right of the instrument panel

    Click image to see an enlarged view

Fig. Remove the right side upper instrument panel bezel



Click image to see an enlarged view

Fig. You must remove the instrument panel center vent duct



Click image to see an enlarged view

Fig. The upper defrost duct is secured with retaining tabs



Click image to see an enlarged view

Fig. Remove the inner defrost duct

Left side wiring harness connector from the top left of the instrument panel for the vanity and rear view mirrors Pull off the HVAC control head knobs

Click image to see an enlarged view

Fig. Exploded view of the control panel retainer locations

2 top front center bezel screws Using a trim stick, carefully pry out the instrument panel center bezel and remove it 2 HVAC control head screws Instrument panel wiring harness connector Vacuum harness connector

  1. Pull the HVAC control head out of the instrument panel, twist it 90 degrees and push it back through the opening; do not disconnect the control cables.
  2. Remove or disconnect the following:

    Air bag Control Module (ACM) from the center console Parking Brake Warning Lamp Switch from the center console Transmission Range Indicator Lamp from the center console
  3. Using an assistant, pull the instrument panel rearward and remove it from the vehicle.
  4. Drain the cooling system and remove the heater hoses at the firewall. Place plugs in the heater core outlets to prevent coolant spillage during the unit housing removal.
  5. Remove the suction line at the expansion valve. Place a piece of tape over the open refrigerant line to prevent moisture and/or dirt from entering the line.
  6. Remove the expansion valve from the evaporator fitting to prevent moisture and/or dirt from entering the evaporator.
  7. Remove or disconnect the following:

    Rubber drain tube extension from the condensation drain tube Vacuum harness from the power brake booster (if equipped) Defroster duct 3 retaining nuts located in the engine compartment, on the firewall

    Click image to see an enlarged view

    Fig. Location of the 3 firewall retaining studs

    Right side retaining screw

    Click image to see an enlarged view

    Fig. Unit housing retaining screw location

    Remaining nut located on the firewall stud

    Click image to see an enlarged view

    Fig. You must remove the retainers, then separate the air distribution module from the evaporator/blower module

    Blue 5-way wiring harness connector from the plenum Heater/air conditioning assembly from the vehicle Separate the air distribution outlet-to-parting case line foam seals

    Click image to see an enlarged view

    Fig. Remove the upper-to-lower housing retaining clips and screws



    Click image to see an enlarged view

    Fig. Then separate the 2 halves of the module



    Click image to see an enlarged view

    Fig. Remove the heater core from the case

    Evaporator lines and heater core tubes foam seals Clips and screws that hold the unit to the housing 4 retaining screws from the inlet air duct on the module Air inlet and recirc door assembly from the module Sensing switch from its harness Upper-to-lower case retaining clips and screws Separate the case halves, and remove the evaporator Heater core

    Click image to see an enlarged view

    Fig. The blower motor assembly is located under the passenger-s side dash panel



    Click image to see an enlarged view

    Fig. Blower motor mounting and location of the retaining screws and wiring vehicles with air conditioning



    Click image to see an enlarged view

    Fig. Exploded view of the instrument panel



    Click image to see an enlarged view

    Fig. Sectional view of the heater/air conditioning assembly



    Click image to see an enlarged view

    Fig. Exploded view of the expansion valve



    Click image to see an enlarged view

    Fig. View of the heater hoses and clamps


 

To install:

  1. Install or connect the following:

    Heater core into the heater/air conditioning unit. Evaporator and the upper-to-lower case retaining clips and screws Sensing switch to its harness Recirc door assembly to the module and the air inlet Clips and screws that hold the unit to the housing Evaporator lines and heater core tubes foam seals. Air distribution outlet-to-parting case line foam seals Assembly into the vehicle Blue 5-way wiring harness connector to the plenum Nut on the dash panel stud Right side retaining screw 3 retaining nuts located in the engine compartment, on the dash panel Defroster duct If equipped, the vacuum harness to the power brake booster Rubber drain tube extension to the condensation drain tube Expansion valve to the evaporator fitting Suction line at the expansion valve
  2. Evacuate, charge and leak-test the air conditioning system, if equipped.
  3. Install the heater hoses.
  4. Refill the cooling system.
  5. Install the instrument panel to the vehicle by performing the following procedure:

    Air bag Control Module (ACM) Parking Brake Warning Lamp Switch Transmission Range Indicator Lamp HVAC control head into the instrument panel Vacuum harness connector Instrument panel wiring harness connector 2 HVAC control head screws Instrument panel center bezel 2 top front center bezel screws HVAC control head knobs Left side wiring harness connector to the top left of the instrument panel for the vanity and rear view mirrors 2 HVAC wiring harness connectors to the top right of the instrument panel Left and right A-pillar door harness connectors Antenna connector to the right side Left and right A-pillar bolts; there are 2 on each side 2 center support mounting bolts 2 brake pedal support bracket bolts 4 bulkhead instrument panel screws Data Link Connector (DLC) to the instrument panel reinforcement Center console Left and right instrument panel end caps Steering column as an assembly Instrument panel cover Cluster bezel Upper instrument panel cover Left and right A-pillar trim moldings Move seats forward Negative battery cable
  6. Operate the engine to normal operating temperatures; then, check the climate control operation and check for leaks.
Ask Your Own Dodge Question
Ask Eric Your Own Question
Eric
Eric
Eric, Automotive Repair Shop Manager
Category: Dodge
Satisfied Customers: 32,786
32,786 Satisfied Customers
Experience: 20+ yrs. experience as repair shop manager and technician.

Eric is online now

A new question is answered every 9 seconds

How JustAnswer works:

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

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:

I AM VERY GLAD THAT I TOOK A CHANCE ON YOUR PROBLEM SOLVING SKILLS. I WAS SUCCESSFUL IN REPLACING THE FUEL PUMP. MY TRUCK RUNS LIKE A CLOCK. IT RUNS LIKE THE DAY I BOUGHT IT. NO LUNGING FORWARD, THE TURBO REACTS THE SECOND I STOMP ON THE GAS, AND IT HAS A LOT MORE POWER AND EVEN SOUNDS BETTER TO ME. IT SAVED ABOUT $500.00 BY DOING THE WORK MYSELF. I GIVE YOU ALL THE CREDIT FOR YOUR DIAGNOSING THE PROBLEM, JUST FROM THE SYMPTONS I GAVE YOU OVER THE e MAIL. I WILL USE YOUR WEB SITE AGAIN AND REFER MY FRIENDS. THANKS SO MUCH FOR THE HELP.

TOM WHITTAKERUSA

Just a quick line to tell you how pleased I am to have my brakes working properly after all this time. Your answer was what I needed. I would certainly recommend you highly. God bless!

Rev. Jerry BaysingerHolts Summit, Mo

I recently asked a question about my 2005 dodge ram, and I just wanted to let my Expert know that he hit the nail squarely on the head with his answer. I wanted to thank him again.

GregPittsburgh, PA

Just a quick line to tell you how pleased I am to have my brakes working properly after all this time. Your answer was what I needed. I would certainly recommend you highly. God bless!

JerryHolts Summit, MO

I was skeptical at first but thought I'd give it a try. I was pleasantly surprised. Your site actually is a quality service that I would recommend to others in a heartbeat.

StanSayre, PA

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!!!!

AlexLos Angeles, CA

< Previous | Next >

Meet the Experts:

Jerry

Jerry

Master Mechanic

1,754 satisfied customers

ASE Master tech, 30 years exp. troubleshooter, driveability tech

Chris

Chris

Shop Foreman

6,613 satisfied customers

Dodge/Cummins and Chrysler Certified Master Tech

Mopar Certified

Mopar Certified

Dodge Technician

5,931 satisfied customers

24 Year Chrysler/Dodge Certified Specialist

moparfl

moparfl

ASE Certified Technician

3,292 satisfied customers

ASE Master Tech Gold level Chrysler Status 30 years dealership exp

Dodgerench

Dodgerench

ASE Certified Technician

2,809 satisfied customers

30+ years Dodge/Chrysler exp., ASE Master with L1 certification. Driveability/ combustion specialist

Tim Mohr

Tim Mohr

ASE MASTER TECH

2,298 satisfied customers

30 YRS EXPERIENCE, FOREIGN AND DOMESTIC, GAS AND DEISEL

Don - Mo Lurch

Don - Mo Lurch

Aftermarket & Factory Electronics

1,562 satisfied customers

Cert. Dodge & Chrysler Warnty, Heavy Line Mech, Mobile Electronics. Sales, Installation & Repair for 30 years

< Previous | Next >

Related Dodge Questions
I bought a 2006 Ram 1500 4x4, 4.7L, auto trans, 130xxx miles
I bought a 2006 Ram 1500 4x4, 4.7L, auto trans, 130xxx miles at an auction. No start/crank. no battery, installed new battery and wipers go crazy, horn blows continuous, lights on continuous. Found th… read more
Robert R
Robert R
Auto Technician
Vocational, Technical or Trade Scho
879 satisfied customers
2007 DODGE DAKOTA NO START. NOTHING. HAS POWER TO STARTER
2007 DODGE DAKOTA NO START JA: Will the headlights turn on? Is the battery fully charged? Customer: YES JA: Are you fixing your Dakota yourself? What have you tried so far? Customer: NOTHING JA: Anyth… read more
Edward Clayton
Edward Clayton
Associate Degree
1,033 satisfied customers
09 Journey has poor heater. Both cores have been replaced,
09 Journey has poor heater. Both cores have been replaced, supposedly. Actuators working and calibrated. Little heat on drivers side and cool on passengers side, no rear heat. It gets better on the hi… read more
Dan
Dan
Dealership Technician
182 satisfied customers
Thanks for the info, I had to take the control arm off along
Cameron thanks for the info, I had to take the control arm off along with the torsion bar. I have friend that has a big press. We had to press the ball joint out. It took some psi to push the ball out… read more
camerontech
camerontech
20 year experience diagnostic technician
class a
544 satisfied customers
I can´t get the stuck CD out with Dodge Journey 2014, the
I can´t get the stuck CD out with Dodge Journey 2014, the system reports CD error - doesn´t eject it out, what can I do please ? … read more
Robert R
Robert R
Auto Technician
Vocational, Technical or Trade Scho
879 satisfied customers
I was rearended at 35 miles per hour while i was stopped in
I was rearended at 35 miles per hour while i was stopped in traffic. That pushed me into the car infront of me doing signifigant damage to my front end as well. The mechanic says that my stearing gear… read more
Edward Clayton
Edward Clayton
Associate Degree
1,033 satisfied customers
Driving down the interstate in my 97 Dodge Ram 1500 and
Driving down the interstate in my 97 Dodge Ram 1500 and suddenly, it is revving but power is dropping. Wouldn't go over 20 mph or so after that. What's possibly wrong?suddenly… read more
AMEDEE
AMEDEE
AUTOMOTIVE TECHNICIAN
Vocational, Technical or Trade Scho
9,105 satisfied customers
I am trying to replace the serpentine belt on my 2007 Dodge
Hi, I am trying to replace the serpentine belt on my 2007 Dodge 2500 with a 5.9. I am having a hard time getting it back on. I had cut the old one off. I am having a hard time trying to get the new on… read more
David Craig
David Craig
OWNER/MECHANIC
Associates
3,927 satisfied customers
I have a hemi jeer commander 06 5.7 L. I keep getting random
I keep getting random misfire. I have had the brain changed, spark plugs coils a sensors, still getting random misfires. Now the jeep is literally stopping/dieing while driving … read more
HDGENE
HDGENE
Master Technician/Lead Technician
Associate Degree
2,835 satisfied customers
What would cause the harmonic balancer to go out, twice on
What would cause the harmonic balancer to go out, twice on my dodge 1500? We bought the truck from a guy that rebuilt the motor, and found that a number of things went wrong after about 6 months, lots… read more
fordguy4u
fordguy4u
Automotive Tech
Vocational, Technical or Trade Scho
70 satisfied customers
Replaced spark plugs still misses under load. 114,000 plugs
dealer. said mybe cam shaft runs great normal driving … read more
Pete
Pete
Independent Auto Technician
Vocational, Technical or Trade Scho
138 satisfied customers
I have a 2001 dodge Dakota 3.9 quad cab 4x4 5 speed manual
I have a 2001 dodge Dakota 3.9 quad cab 4x4 5 speed manual and I ended up changing the crank sensor and it started once again drove it to the store and back no problems went the next morning to start … read more
eauto
eauto
self employed
High School or GED
74 satisfied customers
My uconnect radio just keeps saying "uConnect Phone Not
My uconnect radio just keeps saying "uConnect Phone Not Available" … read more
Todd M
Todd M
Owner
ASE Certification
1,286 satisfied customers
My 2002 Durango blower motor will not work. Testing the
my 2002 Durango blower motor will not work. Testing the resistor & switch, all ok. If I run 12 volt + to the green wire from the battery all the speeds work. I don't know where the hot lead get power.… read more
David Craig
David Craig
OWNER/MECHANIC
Associates
3,927 satisfied customers
Using a lot of oil in my 6.7 Cummins, but the truck runs
Using a lot of oil in my 6.7 Cummins, but the truck runs great and I don't notice much smoke coming out of the exhaust. I will notice some black smoke when I get on it but nothing at normal driving. … read more
Chris (aka - Moose)
Chris (aka - Moose)
Vocational, Technical or Trade Scho
108 satisfied customers
1995 Dodge Ram 1500 with the 5.9 L engine and automatic
1995 Dodge Ram 1500 with the 5.9 L engine and automatic transmission, 97,000 miles. The engine stalls after running 15 seconds or 45 seconds at engine speed above 1500 RPM. … read more
Chris
Chris
Shop Foreman
6,613 satisfied customers
2002 dodge derango replace shoes and wheel cyl can not get
2002 dodge derango replace shoes and wheel cyl can not get drum back on to tight … read more
kwiggins29059
kwiggins29059
Associate Degree
219 satisfied customers
My break lights are not operable, my speedometer is out the
My break lights are not operable, my speedometer is out the whole dash board is off. … read more
Mechanic01
Mechanic01
1,138 satisfied customers
Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Show MoreShow Less

Ask Your Question

x