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td screeching turbo (Read 526 times)

raywilb Intermediate Member Offline Posts: 445 york Gender: Drives: 1998 2.5 cd td	td screeching turbo 09. Dec 2009 at 09:53 posted awhile ago re whistling sound. turbo was suggested well guys its screeching at me.whats the cause & is there a cure? i,m lost . ta
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tigers_gonads Omega Knight Offline can't spell, don't care !! Posts: 1450 hull Gender: Drives: omega 3.0 v6 cd manual estate	Re: td screeching turbo Reply #1 - 09. Dec 2009 at 09:57 not sure too be honest mate but it don't sound good i'm breaking a td at the moment if you need any bits engine was v good
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damage consultant Junior Member Offline Posts: 116 falkirk (sunny scotland) Gender: Drives: 2.5td omega/senator A	Re: td screeching turbo Reply #2 - 09. Dec 2009 at 20:56 Turbos should only make a low pitch soft brief whistle when put under load. loud turbos are broke check air intake at manifoid (after turbo)for excess oil. personaly i'd change it
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Seth

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If there's a 'system'
- play it ... !

Posts: 4236
South Wales Valleys
Gender: male

Drives: 1999 2.5TD GLS Estate - Manual jobbie Woohoo !!!!!

Re: td screeching turbo
Reply #3 - 09. Dec 2009 at 21:17

Remove the elbow hose, and grip the spindle nut between your fingers.
If you can feel noticeable movement, then the spindle bearings are shot. Also, try spinning the blades, there should be no roughness when rotated. Another dead giveaway are visible metallic deposits when the elbow's removed. Any or all of these symptoms mean a replacement turbo.

« Last Edit: 09. Dec 2009 at 21:20 by Seth »

You can take a boy out of The Valleys - but you can't take The Valleys out of a boyo!

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charlie Senior Member Offline Posts: 662 sunderland Gender: Drives: omega td 2000 facelift	Re: td screeching turbo Reply #4 - 09. Dec 2009 at 21:44 there was a post a while ago(think it was turk) who snapped his intake manifold on refitting of it. iirc that made a high pitch screeching sound.
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Seth

Omega Baron

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If there's a 'system'
- play it ... !

Posts: 4236
South Wales Valleys
Gender: male

Drives: 1999 2.5TD GLS Estate - Manual jobbie Woohoo !!!!!

Re: td screeching turbo
Reply #5 - 09. Dec 2009 at 21:59

charlie wrote on 09. Dec 2009 at 21:44:

there was a post a while ago(think it was turk) who snapped his intake manifold on refitting of it. iirc that made a high pitch screeching sound.

Aye, I seem to recall this too.
Could the screeching noise be being mistaken for a high-pitched whistling sound. Or, could even be a split on the induction side, or an obstructed air filter.

You can take a boy out of The Valleys - but you can't take The Valleys out of a boyo!

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raywilb Intermediate Member Offline Posts: 445 york Gender: Drives: 1998 2.5 cd td	Re: td screeching turbo Reply #6 - 09. Dec 2009 at 22:28 hopefully no rain tomorrow & i shall follow your advice. thankyou
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tigers_gonads Omega Knight Offline can't spell, don't care !! Posts: 1450 hull Gender: Drives: omega 3.0 v6 cd manual estate	Re: td screeching turbo Reply #7 - 10. Dec 2009 at 08:44 pm sent
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