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D4 - Axles, Brakes, Suspension and Steering Brakes, Springs, shocks, steering racks, steering columns, suspension arms, wheel hubs etc.

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  #1  
Old 2nd January 2018, 10:53 PM
goldsax goldsax is offline
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Default suspension air compressor relay location?

about to get a 2011 4.2TDi over the weekend.
having owned a D3 one of the first procedures I carried out was to change the relay.
I have tried to find a thread re. part no.and location for this item on the D4 ...
does it exist? if so any info please
thanks raj
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  #2  
Old 4th January 2018, 09:09 PM
Albert_Swafega Albert_Swafega is offline
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Hope this helps...

Part Number: 4H0951253

Albert
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Last edited by Albert_Swafega; 4th January 2018 at 09:12 PM.
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Old 4th January 2018, 09:18 PM
goldsax goldsax is offline
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perfect
thanks for your help Albert.


raj
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Old 5th January 2018, 11:27 AM
Joe2.0E Joe2.0E is offline
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I thought suspension issues were quite rare on the D4 ?
I presume a relay is only a few quid. It's got me thinking maybe I should change mine, it's also a 2011.
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Old 18th December 2023, 11:50 AM
Mihai1986 Mihai1986 is offline
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Default Audi A8 D4 3.0 tdi V6 2014

Hello guys
I have an audi A8 2014, suspension collapsed and after a short visit to a garage they said it is the compressor. I ordered one in Germany, way cheaper than uk. I replaced the old one, stil does not work. I got a relay wit the new one but i am not sure about the location of the relay. I could not find on internet a diagram, in the service book of the car they give only the fuses diagram and not the relay. Can anyone advise please?
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Old 18th December 2023, 01:18 PM
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steamship steamship is offline
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Quote:
Originally Posted by Mihai1986 View Post
Can anyone advise please?
Post #2 above has an image attached giving location details and position within relay carrier.
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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

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Old 18th December 2023, 01:41 PM
Mihai1986 Mihai1986 is offline
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My panel looks a bit different. I tried to upload a photo but it does not work.
I don’t t have modules on the right side. Only on the bottom
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Old 18th December 2023, 01:46 PM
Mihai1986 Mihai1986 is offline
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Old 18th December 2023, 03:35 PM
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Quote:
Originally Posted by Mihai1986 View Post
My panel looks a bit different. I tried to upload a photo but it does not work.
I don’t t have modules on the right side. Only on the bottom
Looking up the part number listed above, the relay is the light green one with 644 stamped on it.

It might be worth adding your car details to your signature line, as that would help when it comes to someone else trying to identify it.

It's also worth popping along to the Introductions thread and introducing yourself. Pictures are a bonus.
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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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  #10  
Old 18th December 2023, 05:36 PM
Mihai1986 Mihai1986 is offline
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Default Audi a8 d4 3.0 tdi v6 2014

So, replaced the compressor and the relay, but it still does not receive power to start it and lift the car. I wonder what is the problem. My little tester does not give a fault code. Just tells me level low. Anyone knows a good testing program? I really don’t want to go to audi garage and pay 200 plus VAT per hour.
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