Leaking anti-freeze... - TCCoA Forums
 
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post #1 of 12 (permalink) Old 07-13-2003, 03:22 PM Thread Starter
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Leaking anti-freeze...

I went on a trip to Maryland this weekend. Before I left I checked all of my fluids and filled the anti-freeze to the full (when cold) mark. On the way up, the people following me noticed that when I when I put my foot down that the car was billowing smoke. So I pulled over and there was smoke coming out from behind the rear tires. So I looked under the car and the exhaust manifolds were wet and dripping and the smoke smelled like antifreeze. It's dripping from the area where the hoses go into the firewall where the heater core is. Now, I did flush the coolant a little while back, and I used the prestone kit that requires you to cut the hose to the heater core. The only thing is that that hose isn't wet. Also, the smoking stops once the coolant level drops to below the edge of the battery. The car doesn't run hot either. Does anyone have any ideas?

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post #2 of 12 (permalink) Old 07-13-2003, 10:05 PM
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I have had that hose go bad before and also towards the end of my 94 motors life the steel nipple on the manifold coroded through. It never completely broke off but I had to double hose clamp it to get a good seal

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post #3 of 12 (permalink) Old 07-13-2003, 11:00 PM
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Did you check the passenger rear of the intake manifold? I know you have an aluminum one, but sometimes they crack where the hose connects.

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post #4 of 12 (permalink) Old 07-14-2003, 07:53 AM Thread Starter
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But if the hose went bad or the manifold cracked, why would it stop once it reached a certain level? It looks like the resevoir gets to the half full level and then it stops leaking.

Thanks for the reply's,
Preston

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post #5 of 12 (permalink) Old 07-14-2003, 08:48 AM
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The best way to find the leak would be to have the system pressurized. A local service station can do it for you, or get the pump and do it yourself.

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post #6 of 12 (permalink) Old 07-14-2003, 09:06 AM Thread Starter
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What type of pump would that be and where could I get it. That makes the most sense. Also, there is this rubber nippl/hole looking thing under the hoses for the heater core. It sticks out of the firewall and is about half way between the top and botom of the wall. I don't recall seeing it before, but I looked at it with a flashlight and it had a drop of water coming off of it. This is right above where the fluid hits the exhaust, could this be it? I don't see any loose hoses that could connect to it though...

Thanks alot,
Preston

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post #7 of 12 (permalink) Old 07-14-2003, 10:31 AM
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That's just the AC condensate drain.

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post #8 of 12 (permalink) Old 07-14-2003, 11:05 AM
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Quote:
Originally posted by SmallTownBird
What type of pump would that be and where could I get it. That makes the most sense.
Thanks alot,
Preston
I would think most major auto parts stores would have it. I know the local Autozone would even do it for me free! You need to know how much pressure the system holds normally, then attach the pump to the reservoir and pump it up to the desired pressure and wait. If the pressure holds, you're fine - in your case, you'd want to look for drips and listen for bubbles or squealing.

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post #9 of 12 (permalink) Old 07-14-2003, 01:28 PM
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Don't forget the hose in the valley under the intake manifold. Some times they go bad, and most people never realize its there.

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post #10 of 12 (permalink) Old 07-14-2003, 05:47 PM Thread Starter
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What about it being an overflow type of safe-guard? It doesn't lose anymore antifreeze once it reaches that point. That would be a lot easier than getting theystem pressurized.


Preston

98 Dodge Dakota CC R/T
Auto, 5.9L V8 Soon to be turboed!
2BBL Extruded M1 Intake, K&N FIPK Gen 2,1.7 Roller Rockers, ported throttle body, mopar PCM, ported heads with 3 angle valve job, custom cam, 3" drop, 3" dual-pre-tire Spintech side exhaust no cats, Mopar Headers, Dodge Viper Electric Fan, Martin Saine Valve body, Ratchet floor shifter, 2800 Stall Torque Convertor, 180* T-Stat, 3923 Autolites, Clear corners, billet grill, Cervini's Spoiler....
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post #11 of 12 (permalink) Old 07-14-2003, 08:00 PM
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Last time I saw white smoke from a bird, it was a dying head gasket.

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post #12 of 12 (permalink) Old 07-14-2003, 08:31 PM Thread Starter
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This wasn't smoke from the exhaust though. It was more like steam off of the exhaust pipes. I can see it dripping onto the pipes.

Preston

98 Dodge Dakota CC R/T
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2BBL Extruded M1 Intake, K&N FIPK Gen 2,1.7 Roller Rockers, ported throttle body, mopar PCM, ported heads with 3 angle valve job, custom cam, 3" drop, 3" dual-pre-tire Spintech side exhaust no cats, Mopar Headers, Dodge Viper Electric Fan, Martin Saine Valve body, Ratchet floor shifter, 2800 Stall Torque Convertor, 180* T-Stat, 3923 Autolites, Clear corners, billet grill, Cervini's Spoiler....
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