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D3 - Engine Bay Everything under the bonnet

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Old 27th October 2019, 05:32 PM
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Default Help identifying this pipe please

I have a strange fault with the car. The N/S/F drops to the deck when parked so I thought great a strut/compressor/valve block leak however my exhaust is also louder, sounding like it has a leak. Coincidence? Possibly. Checking the car physically and with VCDS there are no faults or leaks. The compressor pumps out 14.5 bar so ruled that out. No hissing and no bubbles with soapy water. The suspension lights come on briefly when started up but the car rises fine and holds perfectly.

I have noticed under the bonnet that there has been a bodged repair to an air pipe, and I have taped it up temporarily. Looking on Etka, I am struggling to find out the part number. Anyone know which one it is?

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2008 (facelift) S8 with B&O, ACC, glass sunroof, reversing camera, front and rear heated seats, ceramic brakes, homelink, electric side and rear blinds, ski load through, heated fan washer jets, remote boot closing, de-flapped manifold, fridge, umbrella holder
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Old 27th October 2019, 09:20 PM
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It looks like the vent hose to me (part number 1)

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2001 A8 D2 FL 3.7 Q - LPG Conversion, Engine: AKC, Gearbox:FBB, Colour:LY5X Aqua Blue pearl effect, Interior:WJ light beige/dark beige valcona leather with burr walnut inserts

My DIY jobs - Replaced alarm horn, Replaced Coolant Temp sensor, Updated RNS-D firmware, Installed Reversing Camera and Digital TV, Dashcam Installation, Retrofitted Rear Blinds, Auto-Dimming Rear View Mirror, Chrome Boot Struts

Sold! 2008 S8 D3 5.2 V10 - Engine: BSM, Gearbox:KLW, Colour:LY7F Suzuka Grey Pearl Effect, Interior:Black/Black with Silver/Black valcona leather with carbon atlas inserts, Bang & Olufsen, Heated windscreen, Soft-close doors, TV, DAB, AMI, Quad Zone, Auto Boot, Auto dim Mirrors, Keyless entry, PDC with rearview camera, AFS II Headlights

My DIY jobs - Fan Jet Windscreen Washers, Retrofitted Electric Side Blinds
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Old 27th October 2019, 09:58 PM
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I must be going blind! lol. Thanks steamship.

Any idea of it's specific function?

EDIT: Looks like oil separator to crankcase
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2008 (facelift) S8 with B&O, ACC, glass sunroof, reversing camera, front and rear heated seats, ceramic brakes, homelink, electric side and rear blinds, ski load through, heated fan washer jets, remote boot closing, de-flapped manifold, fridge, umbrella holder

Last edited by homer simpson; 27th October 2019 at 10:11 PM.
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Old 28th October 2019, 12:40 PM
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Quote:
Originally Posted by homer simpson View Post
EDIT: Looks like oil separator to crankcase
That was my thinking as well, and if it feeds back into the air intake (for emission reasons), then I would assume that would be where you could add in an oil catch can.
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2001 A8 D2 FL 3.7 Q - LPG Conversion, Engine: AKC, Gearbox:FBB, Colour:LY5X Aqua Blue pearl effect, Interior:WJ light beige/dark beige valcona leather with burr walnut inserts

My DIY jobs - Replaced alarm horn, Replaced Coolant Temp sensor, Updated RNS-D firmware, Installed Reversing Camera and Digital TV, Dashcam Installation, Retrofitted Rear Blinds, Auto-Dimming Rear View Mirror, Chrome Boot Struts

Sold! 2008 S8 D3 5.2 V10 - Engine: BSM, Gearbox:KLW, Colour:LY7F Suzuka Grey Pearl Effect, Interior:Black/Black with Silver/Black valcona leather with carbon atlas inserts, Bang & Olufsen, Heated windscreen, Soft-close doors, TV, DAB, AMI, Quad Zone, Auto Boot, Auto dim Mirrors, Keyless entry, PDC with rearview camera, AFS II Headlights

My DIY jobs - Fan Jet Windscreen Washers, Retrofitted Electric Side Blinds
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