Question about Mazda Protege

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I am having a hard time removing the dash from a 94 protege. I am replacing the heater core and cant get to the bolts on top of the housing.

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Okay so you didn't remove the dash board? it has to come out because it will be impossible to get the two 10mm nuts on the top of that housing. did you remove the hiden bolts on top of the dash panel? they are under trim plates and small covers. let me know what exactly you have off and i can help more. but i have tried it also and almost damaged the dash so i had to stop because it was a customers car. it is really tight. please refresh my memeory to where you are at with it and i will help you get it done.

Posted on Dec 12, 2009

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Tyrone, Check the attached links,instruction and guides, the last link has some very good info. and pics. on S10 heater core replacement. Good luck.
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1990blazer fullsize heatercore replacement


Heater core replacing is not very difficult.
If you view procedure to any vehicles heater core removal,you will definitely get better idea to replace heater core on yours.
Check the similar help links with proper solutions with diagram to replace heater core:-----
Click the link below:------------

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

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Nov 23, 2012 | Cars & Trucks

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I need an advice on how to replace the heater coil on my 1990 honda accord


( heater core) disconnect the cable from negative battery terminal, from engine compartment disconnect the temperature control cable from the temperature blend door and the mounting bracket from the top of the heater case. Disconnect wires from blower motor resistor and the blower motor. Drain the coolant from the radiator into some type of container. Disconnect the heater hoses from the heater core tubes on the engine side of the firewall. Now working in the passenger compartment, remove the nuts retaining the left end of the heater case and the right end of the plenum to the dash panel. Working in the engine compartment, remove the screw retaining the top center of the heater case to the dash panel. Remove the screws retaining the right end of the heater case to the dash panel and remove the heater case assembly from the car. Remove the screws, nuts and bolts retaining the heater housing plate to the heater case, then remove the heater housing plate. If so equipped, remove the screws attaching the heater core frame to the heater case and remove the frame. Remove the heater core and seal from the heater case.

Dec 25, 2011 | Cars & Trucks

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

Im replacing the heater core in 2001 jeep cherokee...i have the dash off down to fire wall...all screws are out of bottom heater box but I cant remove the bottom of box to get to heater core...what am I...


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 19, 2010 | 2001 Jeep Grand Cherokee

1 Answer

How do i replace a heater core in a 1994 vw passat


remove dashboard.  and knee panel.  center console.  remove bolt holding tip stereing wheel. disconnect all wiring. leave heater controls connected to heater housing, but remove from dash. seperate heater housing from blower housing by removing 6 clips.  remove two nuts from under hood on firewall and disconnect heater hoses.  pull heater housing from firewall and seperate from blower housing.  remove heater core from heater housing.  took me an hour and a half to remove.  two clips are between firewall and heater housing, and was able to pop them off when i tugged on heater housing.

Nov 05, 2009 | 1994 Volkswagen Passat

1 Answer

Heater core replacement


You do not have to do anything with the air conditioning, its all inside car under right side of dash. 1. go under hood and unhook heater hoses and bracket( if equiped) from core tubes. 2. go under dash right side remove 13mm bolt far right under dash thats so you can pull dash out a little ways to get cover off heater where heater core is.3. 1/4 in. socket set and 1/4 in. socket take screws out holding cover on look close there is one hidden top far right can't remember how maney 5 or 6 i think, screws all out use a little finess and remove cover and there will be your heater core. Good luck.

Apr 13, 2009 | 1995 GMC Jimmy

1 Answer

Dodge ram 2500 1999 heter core need to be reaplace


I have a 2000 1500, but from what I can see it is the same fix. You need to pull dash forward. 2 bolts behind kick panels one on either side. Screws along top windshield I believe there are 6. Detach steering shaft. (lay down on drivers side facing up. 2 bolts hold in place) This should allow entire dash to tilt towards seats. Heater core is passenger side. You will see 2 metal lines going through firewall. This is your heater core lines. Detach these from rubber hoses inside engine compartment.

Here's where you can follow the book, or do it the easy way... The book says you need to remove the ENTIRE dash and discharge A/C unit before removing.... I have a way better fix.

With a hacksaw cut the metal lines off the top of the heater core (its already junk so don't worry). Pull up on heater core to remove. Now the tricky part. With the hacksaw, cut through the plastic housing. Start far right and cut down until you meet the natural break in the 2 pieces of plastic. Now start another cut on the far left of the housing and again cut straight down. You are creating a door for the new heater core to install. ***Save this piece of plastic housing as you will need it***.

Install new heater core and then use JB Weld to fasten "door" back into place. This should save you about $300 and hours of time. Have fun...

Oct 18, 2008 | 1988 Dodge D-Series Pickups

1 Answer

Heater Core


1) disconnectnegative battery cable
2) remove coolant reservoir
3) dis-connect heater hoses from heater core and plug holes in heater core, some coolant will drain out
4) remove mounting bolts and nuts on fire wall
5) remove glove box liner and door
6) lable and dis-connectheater controls
7) dis-connectand remove computer and mounting bracket
8) move radio antenna wire
9) remove kick pannel and un-bolt lower corner of dash
10) remove screws and nuts holding the housing inside the cab
11)remove the heater housing from the vehicle
12) detatch the core retaining straps and remove the heater core
13) installation is this procedure in reverse
I hope that this fixes your problem good luck and please take the time to rate this response.

Oct 17, 2008 | Chevrolet Suburban 1500 Cars & Trucks

2 Answers

1993 taurus heater core replacement guide


This is a big job which involves discharging and removing parts of the A/C system as well as removing parts of the dash. I had the core done on a 94 Sable years ago and it was a very labor intensive and expensive job. Here are some instructions I found for a 94 Taurus which should be the same thing or similiar, but I don't guarantee that. Please note that these instructions were not tested by me and may contain errors or be incomplete in some way. For example "remove instrument panel" sounds simple but in reality is a process in itself requiring the removal of many screws. Naturally you would have to recharge the A/C and refill the coolant when done.
__________________________________________
Removal

1. Remove instrument panel and lay it on front seat.
2. Remove A/C evaporator housing as outlined.
3. Remove vacuum source line from heater dash panel seal (18529).
4. Remove heater dash panel seal from heater core tubes (refer to Heater Case Assembly).
5. Remove four heater core access cover retaining screws and remove heater core cover (18B300) from A/C evaporator housing.
6. Lift heater core and seals from A/C evaporator housing.
________________________________________________
Installation

1. Transfer three foam core seals to new heater core.
2. Install heater core and seals into A/C evaporator housing.
3. Position heater core cover on A/C evaporator housing. Install four retaining screws.
4. Install heater dash panel seal on heater core tubes.
5. Install vacuum source line through heater dash panel seal.
6. Install A/C evaporator housing into vehicle as outlined.
7. Reinstall dashboard components.

Best of Luck!

SC442299




Aug 19, 2008 | Ford Taurus Cars & Trucks

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