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Air leak/ oily appearance turbo nose inlet pipe
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mek
 


Member Since: 18 Mar 2015
Location: Zurich
Posts: 470

Switzerland 2006 Discovery 3 TDV6 Base 5 Seat Manual Tonga GreenDiscovery 3
Air leak/ oily appearance turbo nose inlet pipe

Hi everyone,

I have an audible small screech sound when car is in boost. I thought it was the crossover pipe. I have leak tested :

1. Front-back: from the start of the pipe that leads from the air filter box
2. Back to front: From one tailpipe, with the other blocked.

I was surprised that I found no leaks with (2). When I tested (1) smoke emanated from the nose of the turbo. On closer inspection the area to the underside of this was oily in appearance. FYI I have previously changed the small hose on the cold side turbo outlet that goes off to the intercooler.

There's a metal pipe with what look like a rubber connecting piece which fits to the turbo nose. Can someone advise if my diagnosis sounds right, and if this is a straightforward fix? Is there a part number for this rubber connecting piece?

Thanks,


Andy



Edit: I have found this post:
https://www.disco3.co.uk/forum/topic191560...p;start=15
So it that pipe one big piece of hard plastic, and not metal with a connecting piece? I hope there's just a loose jubilee clip!  
Post #225950830th Oct 2021 8:40 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 14195

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Hi

had the same issue , personally it was just a broken clip where that horizontal intercooler hose fits onto the turbo , saw traces of oil there , was all fixed with a new clip , also lubricated the turbo actuator at the same time

Hope the following helps u

Ps, will find a pic of that hose for u

https://www.disco3.co.uk/forum/turbo-silic...ntercooler

https://www.disco3.co.uk/forum/intercooler...ntercooler   
Post #225951130th Oct 2021 8:50 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 14195

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Here u go some pics when I done mine , showing some of the intercooler hose route , also a pic of that new clip I fitted

The whistle came in around 2-2500 revs , new clip fitted in the last pic

Hope it helps









   
Post #225951330th Oct 2021 8:56 pm
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