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Hissing sound in the trunk when the unlocking the door?

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Old 03-28-2007, 09:13 AM
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Default Hissing sound in the trunk when the unlocking the door?

Hello all,
I start to hear a long hissing sound (like air leaking from the A6's pneumatic lock) in the trunk area every time I unlock the door. Did anyone have this problem and fixed it? Any inputs would help before I start to track it down and fix it. No sound when lock, only unlock.
The weather is starting to be sunny and dry, it's the time to kill all little problems of the car.

Thanks,
Old 03-28-2007, 09:40 AM
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Default Re: Hissing sound in the trunk when the unlocking the door?

I had the same issue, untill my central locking pump died. I'm not sure if it is normal, but your pump may be on the way out.
Old 03-28-2007, 11:50 AM
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Default SNAKES !!

Arn't these cars wonderful, what with all the flora (stinky smell from plugged up drains) and fauna (snakes in the belfry).
Old 03-28-2007, 04:19 PM
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snakes on the A8!!!! (imagine Samuel L Jackson screaming it at ya)
Old 03-28-2007, 07:23 PM
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actually it sounds like the motor noise.... Not pressure hissing sound... Definitely no COBRA..:-)
Old 03-29-2007, 04:48 AM
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Default An "actuation noise" is normal...

If it ain't broke, don't fix it?
Old 03-29-2007, 06:28 AM
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Default jazbo is right. it will have a motor sound. normally going from a higher pitch to a lower pitch

about 2 seconds long.
Old 03-29-2007, 01:13 PM
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Default Re: An "actuation noise" is normal...

The only thing I noticed is the noise lasts longer than 2 seconds, and if you're in a hurry, you can't lock with the remote until the noise is gone. Yes, I'm not fixing it until it's totally dead, no lock or unlock.

Thanks guys, feel much better now,
Old 03-30-2007, 05:12 AM
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About 2-3 seconds is what mine takes to unlock.
Old 03-30-2007, 05:13 AM
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Re: About 2 seconds is what mine takes to unlock.
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