noise when heater or ac comes on and it isn't the fan

Asked by Dec 05, 2015 at 05:33 PM about the 2006 Saab 9-3 Aero

Question type: Maintenance & Repair

When the wife runs the heater or the ac there is a noise that comes from the
back of the engine compartment right in the middle of the fire wall. when she
turns the heater off the noise stops. it isnt the fan the noise isn't even close to
the fan.

4 Answers

86,065

What kind of noise? Does the sound change when you change the fan speed?

1 of 1 people found this helpful.

No it just makes the steady sound when its on, It would make a sound like a AC compressor when its running. I have checked the fan and nothing wrong there the sound is coming from the middle of the engine back toward the fire wall, You cant even see back there but it does remind of the noise a AC Compressor makes when its running.

15

Check for and/or Clear it leaves/debris

1 of 1 people found this helpful.
15

Check for leaves or debris and clean out.

Your Answer

9-3

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