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

Advice w/ fixing 2.7t before selling. Front driver side shock probs along with ABS & brake light

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Old Jul 23, 2007 | 08:31 PM
  #1  
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Default Advice w/ fixing 2.7t before selling. Front driver side shock probs along with ABS & brake light

I have a loose metal on metal rattling coming from my front driver side wheel whenever i go over a bump or rough road. I'm assuming it's the shock that's shot. Can anyone suggest what replacment part I should order if I'm just trying to fix the car up for to sell to somebody else? Should I really replace the passenger side at the same time?

Also my ABS light comes on flowed by a flashing brake light and 3 beeps. The lights then stay on. But other times I'll start the car and they don't come on at all. If anyone has input on this I'd love to hear it. But I'm thinking about just having that problem fixed at the dealership.

I'm a complete noob so I apologize. I'm fixing up my A6 that I just got a few months ago. I had planned on learning how to fix and mod the car. But a week after I bought I found out that I was going to be a father... and since this baby, along with my fiance's 4 and 3 year old daughters from a previous marriage, makes number 3. The Audi isn't going to cut it for now

Once I sell the spec house that I'm sitting on though, I'm goign to buy another 2.7t... but I'll spend the money to get a 2002+ MT.
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Old Jul 23, 2007 | 08:58 PM
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Default Thoughts

If it's a metallic rattling that's most obvious on rough roads at low speeds, to me that sounds like classic control arm failure (the ball joint)

No. 2 is classic ABS controller failure, the only fix is a new controller. See modulemaster.com

If it is the shock, you should do all 4. Equals $$$$
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Old Jul 23, 2007 | 10:23 PM
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Default Re: Advice w/ fixing 2.7t before selling.

First: STOP Dont go to the dealership for the ABS light.

Its the controll mudule that Bosch makes which is faulty. All audis (at least A6's) have it and its only a matter of time. You can have the module rebuilt for 160.00. Its a very easy DIY and can save you a lot. The dealer will tell you otherwise; they will claim its the pump and that you need a whole new system put in for 1500.00!!! in parts alone. The module is to the left of the engine in that wierd looking black box with tubes going all around it.

2. The noise in the driver side is a ball joint. CV boot that has broken and spilled all its grease making metal rub against metal. I haven't had this replaced but i think 300.00 is a safebet at any decent repair shop. Its a really primitive job, nothing high tech for the dealer to be needed.

here's is a link for the ABS rebuild:

http://www.bba-reman.com/content.aspx?content=Bosch_5.3_ABS_Removal
Good luck!
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Old Jul 24, 2007 | 09:33 AM
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Default Re: Thoughts

How do I diagnose exactly what the rattle is? What do i look for when I jack it up and take the wheel off?

I guess I was assuming shocks since it seems like now I can feel every bump in the road.
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Old Jul 24, 2007 | 09:51 AM
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Default

You can try to feel movement in the balljoint. Not easy to diagnose though.
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Old Jul 24, 2007 | 09:52 AM
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Default BTW, I think there was a recall for control arm failure. They will inspect once,

and replace bad arms. But only one inspection, so if it's already had one, you're screwed.
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