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04-11-2015
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Newbie
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Join Date: Mar 2015
Posts: 46 What Jeep do I drive?: XJ
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"whistling" sound coming from engine bay. 2.5 TD
Hi jeepers,
few weeks ago it started a whistling sound coming from engine (or turbo?) during acceleration (2000-2500 rpm).
Any recommendation what to check?
Ideas how to check that the turbo is still fine?
My xj has 230.000 km and it's a dd. Perfomances haven't changed
Ric
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04-11-2015
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Newbie
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Join Date: May 2015
Location: brisbane
Age: 40
Posts: 36 What Jeep do I drive?: XJ
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Could be a very many things.
I would start by checking all your intake/discharge and vacuum hoses for leaks/loose clamps.
Then check your exhaust gaskets near the turbo for evidence of leaks, ie. soot around the flanges.
Put a spanner on your intake manifold bolts just in case.
It is more likely to be something along those lines than the turbo itself, but it would pay to check it when you have the intake hose off.
Check for excessive oil in the intake (very small amounts are normal for that sort of kms) excessive shaft play (if you know what you are doing) any damage to the fins or evidence the compressor wheel has been contacting the housing.
These are good places to start.
Shane
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04-11-2015
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Grumpy Old XJ Dsl Owner
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Join Date: Jan 2011
Location: Northern Victoria
Posts: 13,809 What Jeep do I drive?: XJ
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Hole in the hoses or intercooler.
__________________
98&01XJVMs,06&07KJCRD's,No longer question authority,I annoy it.More effect,less effort.10000Club
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05-11-2015
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i am the CIG
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Join Date: Jun 2003
Location: west oz
Age: 64
Posts: 3,778 What Jeep do I drive?: XJ
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As above ,
__________________
Proud member of the "She'll Be Right" Gang
yes LEZ is my brother
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10-11-2015
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Newbie
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Join Date: Mar 2015
Posts: 46 What Jeep do I drive?: XJ
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thanks to all for the comments.
Didn't have time yet to take an accurate look at the engine bay but the turbo is clean, however it's oily very close to it, where the thermostat sits. I will try to post a pic tomorrow
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10-11-2015
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Established Member
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Join Date: Sep 2012
Location: Geelong
Posts: 156 What Jeep do I drive?: XJ
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Liked 58 Times in 28 Posts
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I had a sound like that last night after I swapped the throttle body. Simply hadnt done it up tight enough.
Stethescope helped locate where the sound was coming from
http://www.ebay.com.au/itm/Professio...sAAOSwYGFUwf9j
__________________
96 XJ stock daily driver
96 XJ 2" Lift, 31" MT snorkle 12k lb winch Dana30 Lock-Right
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10-11-2015
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Full Flexer
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Join Date: Nov 2014
Posts: 866 What Jeep do I drive?: TJ
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It's your durbo bro 
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