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

Blower issues

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Old Jun 22, 2019 | 06:54 PM
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Default Blower issues

A/C on Max cool air blows down what could be issue ? This an 84 coup

Last edited by Rcajun; Jun 22, 2019 at 06:55 PM.
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Old Jun 22, 2019 | 07:35 PM
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Ask the C4 folks.

https://www.corvetteforum.com/forums...discussion-34/

Last edited by Vette_DD; Jun 22, 2019 at 07:36 PM.
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Old Jun 22, 2019 | 09:17 PM
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I agree with Vette DD. Check in with the C4 forum. A lot of knowledgeable folks there. Welcome to Corvette Forum!

Last edited by Sabre34; Jun 22, 2019 at 09:18 PM.
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Old Jun 22, 2019 | 09:59 PM
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Moved to C4 Tech.
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Old Jun 23, 2019 | 01:10 AM
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Originally Posted by Rcajun
A/C on Max cool air blows down what could be issue ? This an 84 coupe.
Are you saying that the NORM position works properly, that you get cool air thru the dashboard vents when you select NORM? But when you select MAX, the cool air blows onto the floor?

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Old Jun 23, 2019 | 04:02 PM
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Originally Posted by Hot Rod Roy
Are you saying that the NORM position works properly, that you get cool air thru the dashboard vents when you select NORM? But when you select MAX, the cool air blows onto the floor?

Yes air doesn’t come out the top vent floor only
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Old Jun 23, 2019 | 07:27 PM
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Your answer confuses me.
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Old Jun 23, 2019 | 07:49 PM
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The FSM describes in quite a lot of detail what colour vacuum line operates what flap/door for your heating, cooling and vent arrangement. Pretty good bet that there is a problem in one of those vacuum circuits.
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Old Jun 23, 2019 | 09:06 PM
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Originally Posted by Hot Rod Roy
Your answer confuses me.
sorry for the confusion / at first air was only coming out at the bottom vent on fan high, max cool / now air comes out middle grilles and bottom grille on passenger side at same time , trying to only have air come out top vents only . is it suppose to operate like that ?
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