AC not blowing Hot

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01-06-2010, 02:49 PM

MeanRedStang

Thread Starter

Join Date: Dec 2009

Location: Sunny South Florida

Posts: 13

AC not blowing Hot

Can someone help me out real quick my 98 GT isn't blowing hot air. AC works and blows fine on all speeds and cold but when switched to hot nothing happens just cold air.

01-06-2010, 03:16 PM

kugzgt

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Join Date: Jul 2009

Location: Lehigh Valley, PA

Posts: 2,472

thermostat

01-06-2010, 03:24 PM

MeanRedStang

Thread Starter

Join Date: Dec 2009

Location: Sunny South Florida

Posts: 13

Disregard I found it, both Coolant lines were not connected to the core but rather in a loop.
I just got the car not to long ago so I wasn't aware of it until the weather got cold.

01-06-2010, 05:08 PM

PROMETHEUS PRIME

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Join Date: Nov 2006

Location: Southern Cali

Posts: 2,789

Make sure the heater core isn't leaking. That might be why it was bypassed

01-06-2010, 05:49 PM

kugzgt

5th Gear Member

Join Date: Jul 2009

Location: Lehigh Valley, PA

Posts: 2,472

i didnt think u would need heat down in florida anyway????

01-06-2010, 08:11 PM

cbbass123

1st Gear Member

Join Date: Feb 2009

Location: Texas

Posts: 138

True that...most time they are bypassed because of coolant leaks or ac blend door problems.

01-07-2010, 02:34 PM

MeanRedStang

Thread Starter

Join Date: Dec 2009

Location: Sunny South Florida

Posts: 13

Yeah your right I need to keep a close eye on that. I hope it isn't leaking :-( any idea where I should start looking?

01-07-2010, 04:19 PM

PROMETHEUS PRIME

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Join Date: Nov 2006

Location: Southern Cali

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There is a drain in the plenum case so if it does leak it will leak coolant under the car. If that for some reason can't drain enough you will get coolant spilling on the inside by the passenger feet area