Member Since: 07 Nov 2005
Location: Tyrol, Austria
Posts: 387
Black exhaust smoke
Last Friday I noticed while driving up a hill that my D3 was emitting clouds of very black smoke, more like a tractor, I thought There were also puffs of black smoke when the accelerator was depressed quickly. The car has done just over 138,000 kms and is just over 3 years old.
When it was checked by my local dealer, they found a split pipe at the boottom of the radiator - I think it was an intercooler hose (is that right?). Here a picture
The errant hose was replaced today, although the new part (called Ladeluftkühler in German) looks different from the original. Here the replacement (as best I could take the photo)
Has something changed here over the years?
The car seems fine now. The repair cost just under €500 (incl. VAT / Mwst), over half the cost for labour.
8th Apr 2009 7:52 pm
BrumLee
Member Since: 07 Mar 2008
Location: West Midlands
Posts: 1360
Looks more like the intercooler radiator and explains the cost of repair A split like that in the radiator (or hose) would mean a big loss of charged air and lack of power
8th Apr 2009 9:50 pm
espri
Member Since: 07 Nov 2005
Location: Tyrol, Austria
Posts: 387
Thanks for the clarification!
8th Apr 2009 10:09 pm
crwoody
Member Since: 09 Mar 2009
Location: Littleborough
Posts: 2109
Just to confirm - Ladeluftkühler = Intercooler. ( Load Air Cooler.)Clive
9th Apr 2009 6:14 pm
danny
Member Since: 17 May 2008
Location: Tel Aviv
Posts: 68
It happaned to me in the past, and I found out that the rubber host which supply air to the intercooler were dry aince it is close to the exhaust pipe, and a crack was found in it.
Danny
9th Apr 2009 6:36 pm
fisherman
Member Since: 16 Jan 2007
Location: Hornchurch Essex
Posts: 1789
Just been told that this was the problem with mine. I had been aware of increased induction roar and thought the reason I hadn't been aware previously was that the sound system is normally turned up. But power was down and the smoke was just unbelievable under load.
All done now, just waiting for LR Dunton to agree to replace my compressor and I'll take it back.
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D4 HSE 2012 Like a second wife, more expensive but goes better! I almost cried this time!
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There were also puffs of black smoke when the accelerator was depressed quickly. The car has done just over 138,000 kms and is just over 3 years old.
and explains the cost of repair 
A split like that in the radiator (or hose) would mean a big loss of charged air and lack of power 
