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ase_master327
ase_master327, Shop Owner
Category: Car
Satisfied Customers: 5288
Experience:  +15 years experience on imports and domestics. Bumper to bumper diagnosis & repair.
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2004 saab 9-3, heater does not blow hot air. Blows cold a

Resolved Question:

2004 saab 9-3, heater does not blow hot air. Blows cold air.
Submitted: 5 years ago.
Category: Car
Expert:  ase_master327 replied 5 years ago.

Hello, and thank you for choosing Just Answer!


Do you have the manual or automatic type climate control system in your Saab?

Also is it a turbo model, or regular engine?


Customer: replied 5 years ago.
Manual climate control, turbo linear model
Expert:  ase_master327 replied 5 years ago.

Ok first, you need to make sure that coolant is actually circulating through through the heater core. Just feel the hoses.. They should both be warm, or hot to the touch. Also, the obvious.. is the engine warmng up? Most likely....?? If not, then put a thermostat in it.

Anyways, back to the heater hoses...

It they don't get hot, then look for a shutoff valve on one of the hoses, or a low coolant level. If all of that is good, then the heater coer is clogged.

Here is a picture of where they are under the hood:


graphic

If BOTH hoses are getting hot, then there is a problem in the control panel or the actuator that moves from hot to cold air. The vent could also be stuck open You will need atleast some basic hand tools and a voltmeter to look into any of that.

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ase_master327, Shop Owner
Category: Car
Satisfied Customers: 5288
Experience: +15 years experience on imports and domestics. Bumper to bumper diagnosis & repair.
ase_master327 and 8 other Car Specialists are ready to help you

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