 | Home > Technical > Boost Leak? |
 
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| mk1collector Member Since: 17 Sep 2009 Location: West Yorkshire Posts: 6769   
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You don’t have an allisport intercooler do you? Ray
My build thread http://www.defender2.net/forum/topic17615.html |
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7th Jun 2018 10:19am |
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| adeparko Member Since: 13 Feb 2015 Location: West Lothian Posts: 41  
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Check around the intercooler hoses for a split in the rubber
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7th Jun 2018 10:27am |
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| hank Member Since: 12 Sep 2016 Location: South Wales Posts: 2231  
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No alisport intercooler.
How do I check, soapy water? |
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7th Jun 2018 10:30am |
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| Harry.O Member Since: 25 Jul 2014 Location: Warwickshire Posts: 706  
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Not sure if you are TD5 or TDCi but we had a lot of problems with intercooler pipes and intercoolers splitting on a fleet of TDCis. The latter used to separate between the plastic end tank and the main core.
Sopay water works well for finding leaks  2005 Td5 110 Hardtop
1989 300Tdi 90 Soft top 1992 200Tdi 90 Truck cab with Land Cruiser axles |
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7th Jun 2018 11:09am |
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| hank Member Since: 12 Sep 2016 Location: South Wales Posts: 2231
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2.4 TDCi
Ok so I need to get under the bonnet with a sprayer then and douse the pressure side of the inlet. Will report back |
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7th Jun 2018 12:02pm |
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| rallysteve Member Since: 10 Feb 2014 Location: Cumbria Posts: 2200 
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Also worth checking that no rubber grommets have been dislodged in the footwell resulting in more noise being apparent. Not sure on TDCi bulkheads but the rubber grommet in the passenger footwell for the A/C pipes can let a lot of noise through if dislodged.
Steve 02' 110 TD5 Double Cab Rebuild Thread 84' 90 3.9 V8 Caged Pickup Build Thread - Now For Sale |
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7th Jun 2018 12:27pm |
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| bankz5152 Member Since: 02 Feb 2017 Location: South London/North Kent Posts: 2069 
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Check boost on diagnosticsor boost gauge. Should be roughly 14psi if it hasnt been messed with. Check if any of your boost hoses have oil residue around them anywhere. If so clean them up and check after a few drives Instagram @defender_ventures Empire Tuning - Agent |
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7th Jun 2018 1:13pm |
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| Clive Member Since: 21 Mar 2014 Location: Littleborough Posts: 467 
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I had a similar problem on my Td5 last year, it was making an increasingly loud hiss from the front while giving it full beans, especially uphill.
I suspected either intercooler or hoses but there was nothing visually obvious and since it was only hissing while driving, I decided the best way to diagnose it while stationary was to pressurise the intake system. I removed the pipe from air filter box to the turbo inlet and found a plastic pot which was a snug fit over the turbo inlet, I drilled a hole in the bottom of the pot and fitted an air hose fitting which I was able to connect to my compressor and apply about 15PSI. Lo and behold it was the intercooler which had split along one of its seams, it was partly hidden from view by the air-con condenser but immediately obvious where the noise was coming from.  Click image to enlarge Click image to enlarge A quick visit to a friend of mine who's a dab hand with aluminium welding and it's good as new. |
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7th Jun 2018 7:17pm |
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| adeparko Member Since: 13 Feb 2015 Location: West Lothian Posts: 41
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If you floor it going up a hill, do you get lots of black smoke out the exhaust?
This would also usually point to a split hose |
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7th Jun 2018 7:20pm |
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| mk1collector Member Since: 17 Sep 2009 Location: West Yorkshire Posts: 6769
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What make intercooler is it Clive? Ray
My build thread http://www.defender2.net/forum/topic17615.html |
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7th Jun 2018 8:58pm |
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| mk1collector Member Since: 17 Sep 2009 Location: West Yorkshire Posts: 6769
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Sorry, forgot I’m not allowed an opinion on a product I bought Ray
My build thread http://www.defender2.net/forum/topic17615.html |
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7th Jun 2018 8:59pm |
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| bankz5152 Member Since: 02 Feb 2017 Location: South London/North Kent Posts: 2069
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Of course. Though you seem to slag em off anytime you can as if they where Britpart!
Like I said dude look for oil residue around the IC or hoses, bit tell tale of a boost leak. Instagram @defender_ventures Empire Tuning - Agent |
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7th Jun 2018 9:25pm |
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| Clive Member Since: 21 Mar 2014 Location: Littleborough Posts: 467
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I couldn't say to be honest, it was on the 90 when I bought it 3 years ago, the only clue might be that it was re-mapped by td5alive.com, now known as Alivetuning.com. maybe they supplied Alisport ones back then - or maybe not? |
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7th Jun 2018 9:32pm |
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| mk1collector Member Since: 17 Sep 2009 Location: West Yorkshire Posts: 6769
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I’ve received better quality parts from britpart in the past than the part I bought from allisport so what do you expect? Ray My build thread http://www.defender2.net/forum/topic17615.html |
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7th Jun 2018 9:52pm |
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