C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Fog machine??

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Old Nov 18, 2003 | 06:14 PM
  #1  
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Default Fog machine??

Okay, today i got on it a bit, about 4500 rpm. The outside temp is about mid 50's here. My a/c is on auto about 70 degrees. Right as I let off on the gas, i noticed a really strong antifreeze smell, then it started pouring fog out of the vents. It goes away at cooler temps but right now it is pumping pure fog. Anyone had this before? :confused: :confused:
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Old Nov 18, 2003 | 07:09 PM
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Default Re: Fog machine?? (Ras119)

my guess....heater core
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Old Nov 18, 2003 | 07:20 PM
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Default Re: Fog machine?? (Ras119)

Bypass the heater core by connecting the heater hoses together. When you have time to tear the entire dash apart you can replace it.
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Old Nov 18, 2003 | 07:23 PM
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Default Re: Fog machine?? (HapAFcop)

:iagree:
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Old Nov 18, 2003 | 07:25 PM
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Default Re: Fog machine?? (weekendwrench)

It has been running fine. I've had the heat on before with no probs. It was this one time it went a little haywire after i stomped on it. If i bypass the core do i still get heat, or should i just wear a sweater while driving this winter?
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Old Nov 18, 2003 | 08:17 PM
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Default Re: Fog machine?? (Ras119)

you wont have heat if you bypass the core. If you choose to have heat without replacing the core, add bars leaks... while I'm sure I'll get criticised for that additive, it works and it's a heck of a lot cheaper and faster than pulling that @!#$!@$% heater core out... trust me on that one... it took me 2 days to pull mine, and I ran bars leaks for about 18 months before I did it with no problems. :cheers:
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Old Nov 18, 2003 | 11:16 PM
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Default Re: Fog machine?? (Ras119)

Get the by-pass quick and wear a sweater.

Mark
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Old Nov 19, 2003 | 12:08 AM
  #8  
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Default Re: Fog machine?? (c4power)

are we talking about coolant bars leak or oil bars leak?
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Old Nov 19, 2003 | 07:00 PM
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Default Re: Fog machine?? (Ras119)

coolant.... and never put nuthin in yur ears.. except your elbows... :)
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Old Nov 19, 2003 | 07:34 PM
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Default Re: Fog machine?? (c4power)

I have had realy good luck with Bars Leak in my other vehicles. It is definately cheaper and easier than changing the heater core. :seeya
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Old Nov 20, 2003 | 12:00 AM
  #11  
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Default Re: Fog machine?? (Rich & Lisa_84)

I will try the bars leak. although i am quite worried about flooding the car with coolant... I am curious, that its only a week or so after i pulled the TB and cleaned it that this issue has popped up. I wonder if i didnt screw up some hoses somewhere. I'm awful new at all this. But it is definitely a fog machine when i turn on any kind of heat so the diagnosis seems rather apparent. Anyone have any suggestions on what manufacturer I should go with to buy a heater core? Ecklers has one for $50.
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Old Nov 20, 2003 | 12:08 AM
  #12  
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Default Re: Fog machine?? (Ras119)

Oh, and one more thing. Has anyone ever actually been witness to the demise of a heater core? I am quite sure a i heard a definite "POP" right before the fog rolled in. just trying to trouble shoot a bit..... thanks. :crazy:
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Old Nov 20, 2003 | 01:10 AM
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Default Re: Fog machine?? (Ras119)

Could you luck out & maybe find just a bad hose?? I hope.
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Old Dec 2, 2003 | 12:06 AM
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Default Re: Fog machine?? (froggy47)

ttt for ADL & Ras119
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