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Is this normal?

Old 01-14-2007, 10:26 PM
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Is this normal?

I just bought a 1998 12V and drove it home from Arizona. I don't know if this is normal, but when the turbo starts cranking the air flow through the A/C vents start to blow harder. Is this possible? I couln't find any similair isuues in the forum. Thanks
Old 01-14-2007, 11:13 PM
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Originally Posted by solfish
I just bought a 1998 12V and drove it home from Arizona. I don't know if this is normal, but when the turbo starts cranking the air flow through the A/C vents start to blow harder. Is this possible? I couln't find any similair isuues in the forum. Thanks
what?.. the more turbo=more flow through vents?...what kind of air? hot/cold?
Old 01-15-2007, 05:13 AM
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Originally Posted by solfish
I just bought a 1998 12V and drove it home from Arizona. I don't know if this is normal, but when the turbo starts cranking the air flow through the A/C vents start to blow harder. Is this possible? I couln't find any similair isuues in the forum. Thanks
That phenomenon is pretty commom in vehicles that you have either or: a generator, nominal alternator output, a charging system that is almost worn out, or you have every accessory in the vehicle on...so it could be quite normal
Old 01-15-2007, 10:18 AM
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With just the fan on the air flow just increases with no air temp change.
Old 01-15-2007, 10:26 AM
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What's your voltmeter doing when this happens?
Old 01-15-2007, 10:34 AM
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No noticable change on the guage.
Old 01-15-2007, 01:22 PM
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Seems like it's blowing out of the defrost vents.
Old 01-15-2007, 04:44 PM
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The vents default to defrost when there is little or no vacuum. Could be it just sounds like the blower is turning faster in the defrost mode.
I would suspect you have a vacuum leak somewhere.
Old 01-15-2007, 05:18 PM
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sounds like my 1964 international 424. the more RPM you give it, the brighter the lights are.
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