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Underbody blowout noise
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Jamesxx
 


Member Since: 31 Mar 2013
Location: Co. Antrim
Posts: 26

Northern Ireland 
Underbody blowout noise

Hi folks , I'm getting a blowout noise from underneath my loved '05 D3 auto With 108,000 miles done .
It's not exhaust or air reservoir , and can only be heard at start up or when putting your foot down when driving in lowere gears .
Any ideas to what it is ??
I'm thinking air compressor .
 2008 Audi Q7 S-line 240
2005 D3 Tdv6 S Auto
RRS alloys , Grabber AT's , privacy glass , erg blanked , K&N air filter , remapped to 230 hp , runner boards , puddle and footwell lights , door protectors , roof rails , rear light guards , gone after 111460 miles . Much loved and greatly missed :'(
2010 Td4 commercial
2005 Td5 commercial , gone after 55,000 miles of problem free hard work ! 
 
Post #11401205th Aug 2013 1:50 am
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tomtom86
 


Member Since: 09 Mar 2013
Location: Here and there
Posts: 590


Think you need to be a bit more specific buddy!
Can you get the noise to occur when raising the suspension to off road then back to normal height? OR is it a boost leak noise from under the bonnet? Any excess black smoke when putting your foot down? If so possible split intercooler hose Thumbs Up
  
Post #11403555th Aug 2013 6:52 pm
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Jamesxx
 


Member Since: 31 Mar 2013
Location: Co. Antrim
Posts: 26

Northern Ireland 

tomtom86 wrote:
Think you need to be a bit more specific buddy!
Can you get the noise to occur when raising the suspension to off road then back to normal height? OR is it a boost leak noise from under the bonnet? Any excess black smoke when putting your foot down? If so possible split intercooler hose Thumbs Up
Thanks . I tried the lifting and lowering , and can hear nothing unusual . I haven't noticed any increase in black smoke , but I have noticed it slightly down on power at times . I'm guessing that you might be right about a split hose . Will check that out and let you know . Thumbs Up 2008 Audi Q7 S-line 240
2005 D3 Tdv6 S Auto
RRS alloys , Grabber AT's , privacy glass , erg blanked , K&N air filter , remapped to 230 hp , runner boards , puddle and footwell lights , door protectors , roof rails , rear light guards , gone after 111460 miles . Much loved and greatly missed :'(
2010 Td4 commercial
2005 Td5 commercial , gone after 55,000 miles of problem free hard work ! 
 
Post #11403935th Aug 2013 8:29 pm
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Jamesxx
 


Member Since: 31 Mar 2013
Location: Co. Antrim
Posts: 26

Northern Ireland 

Ok , checked under bonnet again and found a large split in the top intercooler hose .

Don't know how I missed seeing it the first time I looked , but that seems to be the source of the noise .
Now to get my hands dirty replacing it Mr. Green

Many thanks Tomtom86 for your help !!
 2008 Audi Q7 S-line 240
2005 D3 Tdv6 S Auto
RRS alloys , Grabber AT's , privacy glass , erg blanked , K&N air filter , remapped to 230 hp , runner boards , puddle and footwell lights , door protectors , roof rails , rear light guards , gone after 111460 miles . Much loved and greatly missed :'(
2010 Td4 commercial
2005 Td5 commercial , gone after 55,000 miles of problem free hard work ! 
 
Post #11404135th Aug 2013 9:12 pm
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tomtom86
 


Member Since: 09 Mar 2013
Location: Here and there
Posts: 590


Thumbs Up Thumbs Up
Might be worth replacing it with a silicone one while you're in there
  
Post #11406976th Aug 2013 6:09 pm
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