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Subieblue03 12-09-2013 07:51 PM

What would cause my car to blow colder air while stopped but when driving it blows hot air

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Vew 12-09-2013 08:23 PM

Check to make sure you're not low on coolant first. Then thermostat.

Brockton 12-09-2013 08:28 PM

Thermostat stuck open, usually when you drive the heat will still be kind of weak though.

Subieblue03 12-09-2013 09:22 PM

Ok another ? Do 03 wrx not have a cap for the overflow tank

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Vew 12-10-2013 06:54 PM

[quote=Subieblue03;410282]Ok another ? Do 03 wrx not have a cap for the overflow tank

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Is this a trick question? Are you missing yours?

Subieblue03 12-11-2013 09:53 AM

Yes it didn't have one when I bought the car and my buddies doesn't have one either

pzr2874 12-11-2013 11:54 AM

It's the overflow tank..... stand in front of the car with the hood open and look at your 10 o clock position...see that tank?

Subieblue03 12-11-2013 12:27 PM

Ok what is the tank on the driver side of the intercooler and radiator

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pzr2874 12-11-2013 03:50 PM

take a pic and post it

Subieblue03 12-11-2013 07:00 PM

1 Attachment(s)
Here is a pic

pzr2874 12-12-2013 12:49 AM

THAT looks like the overflow tank. Needs a damn cap on there. But I think it's supposed to be a clear tank. The place on your left and 10 o clock from there is the "rad cap".

Is that FMIC piping right above it?

boo-key 12-12-2013 05:29 AM

[quote=Subieblue03;410282]Ok another ? Do 03 wrx not have a cap for the overflow tank

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I've never seen any car with a fluid reservoir of any kind not have a cap from the factory. Yes, your supposed to have a cap.

BLAZE2099 12-12-2013 05:41 AM

That overflow is aftermarket. I forget who makes it. I had one on my 04 and replaced it with another.
Chances are it was replaced to make room for your fmic piping.

Vew 12-12-2013 12:30 PM

I use a 20oz mountain dew bottle.

Subieblue03 12-12-2013 01:08 PM

Yes it's by the fmic and that's what I thought it was I have the radiator cap like you said up on the top on the passenger side I just didn't know what that was lol

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