A8 / S8 (D2 Platform) Discussion Discussion forum for the D2 Audi A8 and S8 produced from 1994-2002

trunk doesn't lock

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Old Jun 23, 2005 | 11:58 AM
  #1  
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Default trunk doesn't lock

When I use the remote, or when I lock-all with the key in the drivers door. Remote release opens the lid, but it looks like release is vacuum-operated, but lock/unlock is electrical?

(btw, the key has not worked since I bought the car, it won't even go in. I thought maybe the PO had replaced the cylinder or whole trunk lid.)

Anybody familiar with this problem?
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Old Jun 23, 2005 | 12:25 PM
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Default

You have a service key. It opens the doors and the ignition only.
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Old Jun 23, 2005 | 01:30 PM
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Default Check this

1. Check the vacuum tube on the left of trunk cover (it's often disconnecting)
2. Check the position of keyhole (on the trunk). It must be vertically for operating from motor and horizontally for manual on/off
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Old Jun 23, 2005 | 05:24 PM
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Default Nope. My key unlocks the glove compartment.

Either the lock cylinder is damaged or keyed differently.

What I can't figure out is, when I use the remote to lock the car, shouldn't the trunk lock as well? It doesn't. The vacuum actuates the trunk release mechanism just fine, and I can see that working.

I guess I don't understand, mechanically, how the car locks the rear lid via remote control.
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Old Jun 23, 2005 | 05:39 PM
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Default It locks/unlocks it with air, but pop it open with power.

If the key doesn't go in the lock is damaged. Even if you have a wrong key it should go in, but you are not able to turn it.
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Old Jun 23, 2005 | 05:53 PM
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Default I don't mind if the key doesn't work

as long as I can make the remote work.
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