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

I also have an AC question

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Old Jun 16, 2003 | 11:45 AM
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1994corvette's Avatar
1994corvette
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From: Columbus Ohio
Default I also have an AC question

My AC won't come throught the vents, it comes through were the defrost would come through. I here the fan running and it eventully cools the car but it takes longer. What could be the problem. No matter what botton I push it won't change where the air is coming from. Same with the heat too, but I don't care as much about that.
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Old Jun 16, 2003 | 12:02 PM
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Default Re: I also have an AC question (1994corvette)

Electronic or manual AC?
Electronic,... you will prolly wind up buying a new "programmer" module. Seals in the solenoids dry up.
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Old Jun 16, 2003 | 12:09 PM
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Default Re: I also have an AC question (ZylaRace)

What kind of price range am I looking at.
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Old Jun 16, 2003 | 12:13 PM
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Default Re: I also have an AC question (ZylaRace)

could be a vacuume leak. check under the hood for any cracked or other suspect lines. there are 2 parts to the AC, a dash mounted unit called C68 (electronic) and an under dash mounted unit called the programmer (vacuume operated). the programmer operates the vents.
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Old Jun 16, 2003 | 05:22 PM
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Default Re: I also have an AC question (Rich_01659)

dont forget about the vacuum T under the passenger side fuel injection cover on the engine..its just a $3 part and solves that vent problem most of the time
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Old Jun 17, 2003 | 12:20 AM
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Default Re: I also have an AC question (Trey96LT1)

dont forget about the vacuum T under the passenger side fuel injection cover on the engine..its just a $3 part and solves that vent problem most of the time
:iagree:

I've heard this solves the problem most of the time. This also would affect your cruise control, so if it doesn't work properly as well, I'd check here first.
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