Heater Core Replacement December 14, 2008, 05:20:25 PM Has anyone replaced a heater core in an 87-88 v6/5.0? I think mine is leaking and am looking for tips on how to safe time and aggrivation. I noticed a previous thread where Micheal Pinto mentioned he can do one in about 3 hours. How is this possible? Is there some shortcut I am missing?I know the dashes in these cars are complicated, I removed a mint dash pad from my 87 sport parts car. Any help would be appreciated. I may start this project tomorow. I'll be replacing the thermostat in the car and testing it again, hopefully it was a fluke thing, but I kinda doubt it. Any input it greatly appreciated. Quote Selected
Heater Core Replacement Reply #1 – December 14, 2008, 05:24:34 PM http://www.coolcats.net/tech/troubleshooting/heatercore.htmlnut #7 is under the steering colum. You can get the new on in about 1 hour the first time. It'll take an hour or two to get all the bolts back in and figure out where they all go again. Quote Selected
Heater Core Replacement Reply #2 – December 14, 2008, 06:10:05 PM Thanks.Does the console really have to come out? I can't see why there wouldn't be enough room. Quote Selected
Heater Core Replacement Reply #3 – December 15, 2008, 12:19:34 AM you can cut three sides of a rectangle on the air box to expose the heater core. Make like a door so to speak.duct tap the door closed. Quote Selected
Heater Core Replacement Reply #4 – December 30, 2008, 09:53:28 PM somebody tried to make a "door" to my heater core. sawzall through the firewall with too long of a blade breaking the box behind it. I suggest not following that path, and instead trying the "door" idea from the inside. with the glove box out of the way and the entire assy. pen 15ed just right you can get a great picture of the mess.i pulled my p.s. seat being it isnt power and its much easier to get at the firewall without it. Quote Selected
Heater Core Replacement Reply #5 – December 30, 2008, 11:26:22 PM Sorry thats a little hard to follow. I dont have a power seat, but I have a console. Do they have to be removed? What "door" idea from the inside? How does the glove box out and affect anything if the dash assembly is already pen 15ed out of the way? Quote Selected
Heater Core Replacement Reply #6 – December 30, 2008, 11:33:38 PM im not sure how much more simple i could have explained it. This is just an option though, so you dont have to remove the dash / pull the dash away from the firewall.you would have to remove the glove box in order to expose the airbox assembly. There is only one person I know of who did this and she said it went pretty easy. I have not tried it yet but will one day on the white coug. Quote Selected
Heater Core Replacement Reply #7 – December 31, 2008, 12:38:22 AM He's saying crawl under the dash and locate the box where the heater core sits. Then get a utility knife and cut three sides out and bend it out till you can get the heater core out. Then duct tape it back in. That way you don't have to pull the dash out at all. Quote Selected
Heater Core Replacement Reply #8 – December 31, 2008, 01:31:07 AM Quote from: jcassity;247590you can cut three sides of a rectangle on the air box to expose the heater core. Make like a door so to speak.duct tap the door closed.Also with this method, if you have a working A/C, you won't have to dump your freon. Quote Selected
Heater Core Replacement Reply #9 – December 31, 2008, 03:07:46 AM crystal said she removed the glove box and was able to get to everything from there. Its her trick, not mine. Im just bringing it up because i remember her posting it back when we were on ezboard. Quote Selected
Heater Core Replacement Reply #10 – December 31, 2008, 08:51:00 AM don't forget the silicon on the cover when you put it back on, I didn't and it was noisy (sounded like air leaking through cover on max) Quote Selected
Heater Core Replacement Reply #11 – December 31, 2008, 02:22:24 PM I did mine about two weeks ago in about 3 and a half hours. Read the link to the the CoolCats site that was posted and try to visualize where everything is, that's how I did it. I think the thought of what I had to do was way worse then actually doing it, as I had no experiance in doing a heater core in something like this(used to my '72 F250).That write up is great, I read it several times to make sure I wouldn't forget anything. Aside from being time consuming, it went pretty simple. Some of the bolts are hard to find, but just feel around for them as you really can't see them all. Quote Selected
Heater Core Replacement Reply #12 – December 31, 2008, 04:40:42 PM Anyone have a pic of that method?Do you go in through the driver's side and cut it? Quote Selected
Heater Core Replacement Reply #13 – December 31, 2008, 05:03:17 PM Read the write up on the cool cats site. As stated before it sounds alot worse than it is. I did one in my sons 83(different dash but nearly the same directions) and it was done and together in about 3.5 hours. I had to remove his center console as to move the dash forward for clearance it was the only way to get the room needed. I have seen access holes cut but I myself would never do that to one of my cars, but thats just the way I am. Quote Selected
Heater Core Replacement Reply #14 – December 31, 2008, 06:06:29 PM Quote from: Dansbirds;249643 I had to remove his center console as to move the dash forward for clearance it was the only way to get the room needed. Do I need to remove the seats too? Or will they not be in the way? Quote Selected
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