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Exhaust crossover - urgent opinion needed!!
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NC500
 


Member Since: 18 Sep 2017
Location: On the NC500
Posts: 541

Scotland 2014 Discovery 4 3.0 SDV6 HSE Auto Firenze RedDiscovery 4
Exhaust crossover - urgent opinion needed!!

Hi all - my 170k D4 has developed a crossover exhaust fault. Whooshing sound when under load, loss of boost pressure and loads of exhaust soot on the underside. All turbo boost pipes are OK so I am quite sure it’s the crossover.

My question - is it safe to drive? I get the occasional Restricted Performance code that I can clear with the IID Tool.

It’s several weeks until I can get the car into a garage to have it replaced and will likely cover 3k miles in that time.

Opinions please!!!

Thanks  
Post #237012231st May 2024 5:42 pm
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Sylvester19
 


Member Since: 17 Jul 2020
Location: Central Scotland
Posts: 127

Ukraine 2016 Discovery 4 3.0 TDV6 Landmark LE Auto Indus SilverDiscovery 4

You've probably came across this post.

https://www.disco3.co.uk/forum/topic172546.html  
Post #237013931st May 2024 10:20 pm
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20841

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

Depends where its leaking and what direction the hit gas is coming from

If its towards the engine, you run the risk of melting the HPFP belt covers and belt, even the wiring loom, or if going towards the brake pipes, you can boil the brake fluid within

Best not to drive if possible My D3 Build Thread

TDV8 Retrofit Build Thread  
Post #23701441st Jun 2024 6:48 am
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NC500
 


Member Since: 18 Sep 2017
Location: On the NC500
Posts: 541

Scotland 2014 Discovery 4 3.0 SDV6 HSE Auto Firenze RedDiscovery 4

Thanks for your option Mike. I won’t risk it  
Post #23702131st Jun 2024 7:29 pm
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