DCR pipework

4.2 V8 40v biturbo - 450 bhp
4.2 V8 40v biturbo - 480 bhp (plus)
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ChrisA
4th Gear
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Joined: Thu May 07, 2020 11:28 am
Location: Langstone, nr. Portsmouth

DCR pipework

Post by ChrisA » Sat Nov 19, 2022 10:49 am

On my quest to tidy up the underside of the car I came across, what was kindly identified by Shop, the DCR coupling (25) that was attached to a bracket I want to get powder coated (13/14). Coupling 25 is rather rusty so it’s my intention to remove that coupling and line (10&11) back to the next coupling (26), as I imagine it would be impossible to replace 25 without cutting lines 10&11 up anyway.

https://audi.7zap.com/en/rdw/audi+rs6+r ... 16-616030/

So my question is does this sound sensible/achievable and where would I find coupling no 26 or would replacing 25 be a better solution? I don’t really want to leave 25 in place as I’m not sure what the consequences of 25 failing could be (and it looks awful).
5DCDF6D1-2EA2-4BEF-8430-16F39367879E.jpeg
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Shoppinit
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Re: DCR pipework

Post by Shoppinit » Sat Nov 19, 2022 11:24 am

The system could well still be under pressure. Those couplings contain valves that allow you to remove a shock without depressurising the system.

If I wanted to replace just that valve, then I would start by making a visit to some places that specialise in hydraulics. Like flexible hoses for mini-diggers and the like. Or contact a company like this to see if they can recognise it:

https://www.htsspares.com/catalogue/hos ... -couplings

I believe KYB manufactures the DRC system.
Daytona RS6 C5 Avant. Viper'd, Billies, Waggers, MTM box brain, C6 stoppers, xcarlink, R8 coolant cap (woohoo)
///M3 E46 | XC90 (V8, natch) | Passat GTE | RR Classic V8 flapper
"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at and repair."
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Shoppinit
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Re: DCR pipework

Post by Shoppinit » Sat Nov 19, 2022 11:24 am

Or depressurise (extremely carefully, of course), cut the pipe, cap it and worry about it the day you decide to put the DRC back on.
Daytona RS6 C5 Avant. Viper'd, Billies, Waggers, MTM box brain, C6 stoppers, xcarlink, R8 coolant cap (woohoo)
///M3 E46 | XC90 (V8, natch) | Passat GTE | RR Classic V8 flapper
"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at and repair."
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ChrisA
4th Gear
Posts: 764
Joined: Thu May 07, 2020 11:28 am
Location: Langstone, nr. Portsmouth

Re: DCR pipework

Post by ChrisA » Sat Nov 19, 2022 12:07 pm

Great, thanks. 👍
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Astrosquirrel
3rd Gear
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Re: DCR pipework

Post by Astrosquirrel » Sun Nov 20, 2022 11:49 am

Shoppinit wrote:The system could well still be under pressure. Those couplings contain valves that allow you to remove a shock without depressurising the system.

If I wanted to replace just that valve, then I would start by making a visit to some places that specialise in hydraulics. Like flexible hoses for mini-diggers and the like. Or contact a company like this to see if they can recognise it:

https://www.htsspares.com/catalogue/hos ... -couplings

I believe KYB manufactures the DRC system.
ImageImage Did not know this was possible! I'll have to look into that now. Thanks for sharing your knowledge!

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