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Hissing Noise?

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Old 05-14-2001, 11:52 AM
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Default Hissing Noise?
I hear a hissing noise when I unlock the doors. Any ideas?
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Old 05-14-2001, 11:55 AM
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The 'ol 'snake in the door' trick!! - servo noise?? we dont have vac actuated lox on A4s.
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Old 05-14-2001, 11:59 AM
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ummm, yes we do
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Old 05-14-2001, 12:03 PM
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Default yup... we have a vacum powered door locking system...
it might be one of the hoses is loose... get that checked out before you have a locking problem and the doors dont lock or unlock.
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Old 05-14-2001, 12:04 PM
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vac pump lock noise ...normal
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Old 05-14-2001, 12:46 PM
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ooops. I hear a 'whirr' that sounds remarkebly like a step motor or servo...darn dustbusters!!
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Old 05-14-2001, 12:56 PM
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you do hear a motor...that air doesn't move on its own
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