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D3 - Sat Nav, ICE, Audio & TV All in car entertainment discussions

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Old 29th April 2016, 09:11 AM
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Default MMI, some bad, some good

First the bad news.
SWMBO is once again rather vociferous and sad.
MMI has started clicking and failing to open correctly.
Management is claiming that she cannot drive the car 'cos when she is within ten metres of the car the Parking Aid refuses to work and with no MMI panel the reversing camera is useless.

Now the good news.
I phoned the dealer I bought the car from and his reply was "No problem, I'll send you a set of gears in the post. No charge". We have had the car for over two years so I think that is very good of him. Means he will be my first port of call if I ever manage to buy another car.

Having done a bit of research it looks possible to do on the house front drive.

Any pointers/watchouts from folk that have done this?
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Old 29th April 2016, 09:38 AM
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https://youtu.be/yctZuQIgWs4

Seems a bit fiddly but doable. Good luck with it Ray.
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Old 29th April 2016, 10:00 AM
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John, Thanks for the video.
I am feeling happier.
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2014 A8L D4 4.0TFSI Gold (Sticker says "Beige") Can't leave you in a black smoke cloud anymore..
In progress, Nothing left to do.



Gone 2004 A8 D3 3.0 TDI. Ebony Pearl Black (with little bits of other colours and glitter)
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Old 29th April 2016, 10:24 AM
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be careful around vents and any other shiny bits to avoid scratches !
I did the cog change a few months ago and the video is pretty accurate.

good luck !
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Old 29th April 2016, 08:30 PM
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Pop the wood trim off while closed and then open the screen before removing.

Don't forget the two little lugs you got to pull up when removing the vents.

apart from that you'll be fine.
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Old 30th April 2016, 08:20 AM
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I replaced all my gears but I would leave the main motor drive as plastic should the time happen again.

The brass gears are quite noisy. The main plastic one seems to be quiet.

Mike
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Old 30th April 2016, 09:46 AM
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Scott, Thanks mate, I'll pull the screen cover first when I start. I am waiting for the gears to arrive but don't know what they are. Hoping they are brass/ phosphor bronze. Bronze would be best 'cos they hold the lubrication better.

Mike, Understand where you are coming from suggesting using one plastic gear but I would think that is a weak point and would entail doing the whole strip down again in the future. I'm afraid this old lady will have to give us a lot of years service. As far as I am aware this is the first time these gears have failed on her (I have loads of paper on her) so at 12 years old they have done well. Shame that yours seem noisy, not heard that before, did you lube them?
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2014 A8L D4 4.0TFSI Gold (Sticker says "Beige") Can't leave you in a black smoke cloud anymore..
In progress, Nothing left to do.



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Old 3rd May 2016, 02:02 AM
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Quote:
Originally Posted by tc4332 View Post
Mike, Understand where you are coming from suggesting using one plastic gear but I would think that is a weak point and would entail doing the whole strip down again in the future. I'm afraid this old lady will have to give us a lot of years service. As far as I am aware this is the first time these gears have failed on her (I have loads of paper on her) so at 12 years old they have done well. Shame that yours seem noisy, not heard that before, did you lube them?

Yeah I coated the gears in silicone grease. I suspect that the noise is why they were plastic from factory. The metal gear for the lid and the metal gear on metal for the screen drive make noise since its metal on metal. It isn't a bad noise, it's just a bit uncouth for me. The gear that commonly fails is the screen drive gear as it is small. The largest plastic gear that is attached to the motor (I think from memory) I left plastic on a mate's car and the noise of the mechanism working is quiet.

I replaced all my gears in one go with the brass ones. I am considering changing the bigger motor drive gear back to plastic. It generally isn't the one that breaks so should be fine.

Mike
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04 A8 - 4.2 Sport

Indigo Leather Sports Seats - Sports wheel - Sports Air Suspension
Auto Boot - Double Glazing - AMI - Solar roof
TV - Bose - Voice Control - TPMS - AFS- TINT
Power Blind, Fingerprint - Light package (in and out)

Retrofits:
OEM Auto headlights & rain sensing wipers
OEM Bluetooth phone
Bluetooth Audio Streaming
Reverse Camera
OEM Aluminium Package
Auto boot close using remote/door button
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  #9  
Old 6th May 2016, 11:23 AM
Takemetothepub Takemetothepub is offline
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Just replaced mine with the brass ones, including the motor drive gear and is silent.

My only tip would be as already said, protect the air vents when pulling up the little tabs so you don't scratch anything.

Also, make sure you have a size T9 torx bit as it a bloody awkward size most kits don't have.
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  #10  
Old 6th May 2016, 12:03 PM
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Mmmm! T9, I'll have a look in my boxes. Knowing my luck I'll have a 8.5 and a 9.23 but no 9
The gear kit came on Wednesday and I'm planning on doing it Saturday, only one job in and hopefully nothing else will appear.
Watching the video it looks like there are four gears!! My kit only has three.
It looks like the video guy reused the big gear.
I have tried offering the two smaller gears upto each other and they are a bit too tight. Looks like I'll have to trim the shaft slightly for it to fit into the other one.
Or am I, as usual over engineering?
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2014 A8L D4 4.0TFSI Gold (Sticker says "Beige") Can't leave you in a black smoke cloud anymore..
In progress, Nothing left to do.



Gone 2004 A8 D3 3.0 TDI. Ebony Pearl Black (with little bits of other colours and glitter)
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