A6 / S6 (C5 Platform) Discussion Discussion forum for the C5 Audi A6 and S6 produced from 1998-2004

Ignition Coil won't Stay Down

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Old 02-15-2008, 09:03 PM
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Default Ignition Coil won't Stay Down

Anyone have his happen. I changed my plugs on my 2003 A6, put it all back together and it's like I have a new car. A day of driving passes and the car seems a little sluggish (no check engine light). Pop the hood and Coil on cylinder 6 is higher than all other coils (partially came out of cylinder). Replaced the coil and it happened again. All other coils stay down, why won't #6 stay down. Am I missing something?
Old 02-16-2008, 05:36 AM
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Default Screew loose?

You mean the coil packs atop the plugs, right? Mine bolt down. dont yours?
Old 02-16-2008, 05:41 AM
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Default If your's don't have hold down screws, then perahps the tension rubber in the CP is shot?

This is what forces over the plug and keeps it in place. If its vibrating loose then this may be the problem.
Old 02-16-2008, 09:58 AM
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Possible compression leak where the plug meets the head. Make sure it is clean.
Old 02-16-2008, 10:09 AM
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Default Re: Screew loose?

Nope. They slide in and Slide out. The tension rubber I assume hold them in.
Old 02-16-2008, 10:15 AM
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Default Re: Possible compression leak where the plug meets the head. Make sure it is clean.

If this new Coil does not solve the problem. I will look at the plug again. Could it be a bad engine mount = excessive vibration (there is more vibration than normal)= moving coil???
Old 02-18-2008, 06:25 PM
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Default Re: Possible compression leak where the plug meets the head. Make sure it is clean.

New coil is staying down after 2 days. Rubber must have been worn the other coils.

Thanks for your help.
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