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D3 - Engine Bay Everything under the bonnet

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  #1  
Old 8th February 2020, 06:15 PM
Versace Versace is offline
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Default Engine mounts

Hello community,

I finally acquired a D3, 4.2 40V BFM in September last year, but have not been driving with it very much as my daily beater ist a D2 4.2 40V...
After doing some maintainance on it (broken water pump on the oil cooler) I was asking myself why there are no connectors on the "electric" engine mounts. Thus the engine runs smooth as silk, no codes in VCDS...?? But a cable attached to the aluminium on the mount, that ends wit a blank connector...
The same thing on the passengers side (LHD) but without any cable even close to the mount...
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Last edited by Versace; 8th February 2020 at 06:21 PM.
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Old 8th February 2020, 06:36 PM
MikkiJayne MikkiJayne is offline
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Probably the solenoid in the engine mounts failed so someone replaced it with a resistor (in the bare plug) instead of replacing the mount.
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Old 8th February 2020, 07:04 PM
Versace Versace is offline
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What about on the passenger side? There is no cable at all
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Old 8th February 2020, 07:15 PM
MikkiJayne MikkiJayne is offline
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Tucked away somewhere?
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Old 8th February 2020, 08:06 PM
Versace Versace is offline
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I will give it a good look as the car is without bumper and the oil cooler/filter right now...
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Old 9th February 2020, 08:20 AM
snapdragon snapdragon is offline
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These mounts all failed very quickly (couple of years) and there is/was an Audi TSB to replace them with terminators. What year is the car out of interest, as I'm not sure this was a dealer-fit workaround and/or production change.
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Old 12th February 2020, 01:22 PM
Versace Versace is offline
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The car is a 2004. It seems like it was replaced at Audi, as everything looks so original, the connector with the resistor has an Audi sticker on it And an LED lamp inside...
But the engine runs seamles, smooth and no vibrations.
I will replace them anyway but they are so expensive
We have found the other cable too!
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Old 1st March 2020, 07:41 PM
Joe2.0E Joe2.0E is offline
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I had an 04 D3 and from memory these hydraulic mounts failed when the car was about 6 years old. (Failed meaning they threw an error code on diagnostics when car was scanned. As they were crazy money and could only be got new at the time, I decided against replacing at the time.
I then kept the car for several more years and never had any issue with vibration or similar. I’d leave them to be honest.
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Old 1st March 2020, 09:19 PM
snapdragon snapdragon is offline
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Quote:
Originally Posted by Versace View Post
I will replace them anyway but they are so expensive
Don't get used ones as they will also be faulty. New ones are probably a waste of money as they will probably only last a couple of years. My first failed at 3.5 years and don't forget these new parts have been sat on a shelf deteriorating for 10+ years.
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Old 6th March 2020, 05:45 AM
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27litres 27litres is offline
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The FL D2's have similar mounts.
As they're hydraulic, I just thought the electrics were a sensor for when the mount failed?

I didn't think they were or are in any way "active"...
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