3rd Gen / L98 Engine Tech 1982 - 1992 Engine Related

antifreeze in floorboard...possible causes?

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Old 07-02-2002, 09:42 AM
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Exclamation antifreeze in floorboard...possible causes?

Lately i've noticed antifreeze has been seeping into the floorboard somehow. From the looks of things, there are no clues of it dripping from inside the dash...could it be seeping in from below? I have to refill the engine coolant container at intervals (anywhere from once a week to once a month), but the radiator is always full. I also smell antifreeze when I use the A/C (and have stopped using it until this gets fixed). Any thoughts on WHERE the leak may possibly be, etc.? Will some stop-leak do the trick until i can afford to get this looked at and fixed properly?

Thanks for any input
Josh

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Old 07-02-2002, 09:51 AM
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Sounds like your heater core if the coolant is getting inside your car...
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Old 07-02-2002, 10:22 AM
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Yup. The one and only cause for coolant on the floor.

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Old 07-02-2002, 04:13 PM
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i second that call...heater core!!!
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Old 07-02-2002, 04:46 PM
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heater core it is just bypass it and youre good to roll.. if you want to replace it i have a new one i want to sell that i bought and lost the reciept for when i decided the hell with it
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Old 07-02-2002, 08:20 PM
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had to get in on it. heater core! i've never changed one on a third gen. before,how hard are they ??
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Old 07-02-2002, 09:16 PM
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how much are you selling your heater core for?
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Old 07-02-2002, 10:12 PM
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<font face="Verdana, Arial" size="2">Originally posted by ws6gta:
had to get in on it. heater core! i've never changed one on a third gen. before,how hard are they ??</font>
Bwahahahahah!

Sorry.

In my firebirds, I was able to do it without removing the whole dash like most manuals say you have to do. On the GTA I managed to break the heater-box cover in the process, but a little duct tape and she was as good as new.

Because of the shape of the camaro dash, it might be a little tighter in there, and if it is, the whole dash will have to come out. Thankfully, neither of my camaros has needed a heater core yet. :fingers_crossed:


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Old 07-02-2002, 11:38 PM
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the entire console has to come out as well as a big chunk of the dash.. so if you dont NEED heat i would recommend bypassing it..(its a bitch)
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Old 07-03-2002, 05:34 AM
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Some people claim that you can replace the heater core without pulling dash off of the cowl. In my experience, you have to drop the steering column, loosen the console and pull the dash off of the cowl. This will include disconnecting the computer.

Do yourself a favor. Start this project early in the day so you are not stuck finishing up in the driveway in the dark - like I did.

Get ready to swear.

[This message has been edited by KeithO (edited July 03, 2002).]
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Old 07-03-2002, 08:55 AM
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these guys are right its definatly your heater core and its the most annoying problem to happen to cars, it ruined my carpet! and replacing a heater core in a camaro is a PAIN!!!!! this is what i did, i put towels on my floor and took it to get fixed right away, its a big project if you wanna do it yourself. In my 91 blazer i cut the tube that brought the antifreeze into my heater core under the hood to stop the leak until i got it fixed, but i didnt mess with my camaro's heater core, get that done asap!
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Old 07-03-2002, 09:47 AM
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Not the "ONLY" way, it could be the hose connected to the heater core in the engine compartment is disconencted/broken,c ause that happened to me once ona brand new ehater core, it may solve a lot of ehadaches, but I'd have to agree, probably the heater core, not too bad of a job.
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Old 07-03-2002, 01:25 PM
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i did mine in about 1.5 hours
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Old 07-03-2002, 02:21 PM
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I did 2 heater core replacements, one on my 86 Trans Am and one an my friends 86 Z28.
Mine took 45 minutes. His took 3 hours since we had to pull the dash forward a little to get access to one of the top screws on the heater box. We left that one off when we put it back together.

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