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  #1  
Old 31st-May-2006, 20:42
Richard Wilkinson
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Posts: n/a
Default turbo noises

Recently the turbo on my 96 disco has started making a kind of sucking,
whining noise when the engine revvs reach 2000 and above - almost sounds
like theres a vacuum cleaner under my bonnet speeding up!

I havn't noticed any loss of power and its not terribly noisy, but certainly
noticeable. It seems to have started happening around the time I changed
the air filter (which was pretty dirty) - could it just be the engine is
breathing better?

I only ask after having read Gary Jones' catastrophic problems a blown up
turbo had on the rest of his engine! I don't really want mine to go the
same way.

Also, I have noticed there is a bit of white smoke coming out of the exhaust
when I start the engine. I would expect some black smoke, but I don't know
what white smoke signals, if anything.

Any info would be great!


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  #2  
Old 31st-May-2006, 21:04
Austin Shackles
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Posts: n/a
Default Re: turbo noises

On or around Wed, 31 May 2006 20:42:51 +0100, "Richard Wilkinson"
<bounce@hotmail.com> enlightened us thusly:

>Recently the turbo on my 96 disco has started making a kind of sucking,
>whining noise when the engine revvs reach 2000 and above - almost sounds
>like theres a vacuum cleaner under my bonnet speeding up!
>
>I havn't noticed any loss of power and its not terribly noisy, but certainly
>noticeable. It seems to have started happening around the time I changed
>the air filter (which was pretty dirty) - could it just be the engine is
>breathing better?
>
>I only ask after having read Gary Jones' catastrophic problems a blown up
>turbo had on the rest of his engine! I don't really want mine to go the
>same way.
>
>Also, I have noticed there is a bit of white smoke coming out of the exhaust
>when I start the engine. I would expect some black smoke, but I don't know
>what white smoke signals, if anything.
>
>Any info would be great!
>


get everything checked over, I would.
--
Austin Shackles. www.ddol-las.net my opinions are just that
"It is a characteristic of the human mind to hate the man one has injured"
Tacitus (c.55 - c.117) Agricola, 45
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  #3  
Old 31st-May-2006, 21:15
Derek
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Posts: n/a
Default Re: turbo noises


"Richard Wilkinson" <bounce@hotmail.com> wrote in message
news:447df181$0$2596$db0fefd9@news.zen.co.uk...
> Recently the turbo on my 96 disco has started making a kind of sucking,
> whining noise when the engine revvs reach 2000 and above - almost sounds
> like theres a vacuum cleaner under my bonnet speeding up!
>
> I havn't noticed any loss of power and its not terribly noisy, but
> certainly noticeable. It seems to have started happening around the time
> I changed the air filter (which was pretty dirty) - could it just be the
> engine is breathing better?
>
> I only ask after having read Gary Jones' catastrophic problems a blown up
> turbo had on the rest of his engine! I don't really want mine to go the
> same way.
>
> Also, I have noticed there is a bit of white smoke coming out of the
> exhaust when I start the engine. I would expect some black smoke, but I
> don't know what white smoke signals, if anything.
>
> Any info would be great!

I love the sound of a turbo diesel ( I have to the miles I put in)- changes
after a new air filter I would be looking at the pipes for splits around
the filter box and checking the filter seated correctly and the clips didn't
pop open if its a sucking sort of noise not a bad idea to get a partner to
hold the throttle open while you have a listen under the bonnet to work out
whereabouts the noise originates as splits often hide from view till
provoked.
Derek


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  #4  
Old 1st-June-2006, 07:37
Dave Liquorice
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Posts: n/a
Default Re: turbo noises

On Wed, 31 May 2006 20:42:51 +0100, Richard Wilkinson wrote:

> Also, I have noticed there is a bit of white smoke coming out of the
> exhaust when I start the engine. I would expect some black smoke, but
> I don't know what white smoke signals, if anything.


I'm fairly sure that white smoke from a diesel is unburnt fuel (or
oil...).

--
Cheers new5pam@howhill.com
Dave. pam is missing e-mail



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  #5  
Old 1st-June-2006, 10:07
Ron Glasson
Guest
 
Posts: n/a
Default Re: turbo noises


Had a similar noise to OP which turned out to be a split in the right angle
hose between turbo and inlet manifold, at the bottom of the turbo. Hard to
spot from above, needed a mirror to see it and only then when turbo in
boost. Small split - big noise - bad thoughts about lots of dollars , but
15min to pull out and replace and problem solvered.

Cheers
Ron


"Dave Liquorice" <new5pam@howhill.com> wrote in message
news:nyyfbegfubjuvyypbz.j06iye0.pminews@srv1.howhi ll.com...
> On Wed, 31 May 2006 20:42:51 +0100, Richard Wilkinson wrote:
>
>> Also, I have noticed there is a bit of white smoke coming out of the
>> exhaust when I start the engine. I would expect some black smoke, but
>> I don't know what white smoke signals, if anything.

>
> I'm fairly sure that white smoke from a diesel is unburnt fuel (or
> oil...).
>
> --
> Cheers new5pam@howhill.com
> Dave. pam is missing e-mail
>
>
>



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  #6  
Old 1st-June-2006, 13:01
Andrew Renshaw
Guest
 
Posts: n/a
Default Re: turbo noises

Yikes,

Okay white smoke could be turbo bearings on the way out. Another scarey
thought is head gasket. Has it overheated at all? If it has then I am
certain you are looking at an ill turbo.

You need to get the turbo tested.

If I am honest I think your turbo is ill.

Yours

Andy


"Richard Wilkinson" <bounce@hotmail.com> wrote in message
news:447df181$0$2596$db0fefd9@news.zen.co.uk...
> Recently the turbo on my 96 disco has started making a kind of sucking,
> whining noise when the engine revvs reach 2000 and above - almost sounds
> like theres a vacuum cleaner under my bonnet speeding up!
>
> I havn't noticed any loss of power and its not terribly noisy, but
> certainly noticeable. It seems to have started happening around the time
> I changed the air filter (which was pretty dirty) - could it just be the
> engine is breathing better?
>
> I only ask after having read Gary Jones' catastrophic problems a blown up
> turbo had on the rest of his engine! I don't really want mine to go the
> same way.
>
> Also, I have noticed there is a bit of white smoke coming out of the
> exhaust when I start the engine. I would expect some black smoke, but I
> don't know what white smoke signals, if anything.
>
> Any info would be great!
>



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  #7  
Old 1st-June-2006, 18:04
Dougal
Guest
 
Posts: n/a
Default Re: turbo noises

Andrew Renshaw wrote:
> Yikes,
>
> Okay white smoke could be turbo bearings on the way out. Another scarey
> thought is head gasket. Has it overheated at all? If it has then I am
> certain you are looking at an ill turbo.
>
> You need to get the turbo tested.
>
> If I am honest I think your turbo is ill.
>
> Yours
>
> Andy
>
>
> "Richard Wilkinson" <bounce@hotmail.com> wrote in message
> news:447df181$0$2596$db0fefd9@news.zen.co.uk...
>
>>Recently the turbo on my 96 disco has started making a kind of sucking,
>>whining noise when the engine revvs reach 2000 and above - almost sounds
>>like theres a vacuum cleaner under my bonnet speeding up!
>>
>>I havn't noticed any loss of power and its not terribly noisy, but
>>certainly noticeable. It seems to have started happening around the time
>>I changed the air filter (which was pretty dirty) - could it just be the
>>engine is breathing better?
>>
>>I only ask after having read Gary Jones' catastrophic problems a blown up
>>turbo had on the rest of his engine! I don't really want mine to go the
>>same way.
>>
>>Also, I have noticed there is a bit of white smoke coming out of the
>>exhaust when I start the engine. I would expect some black smoke, but I
>>don't know what white smoke signals, if anything.
>>
>>Any info would be great!


Smell the smoke - both unburnt fuel(usually associated with white smoke)
and oil (more usually associated with blue smoke) have distinctive
smells. It's not just water vapour (innocent or otherwise)is it?.
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  #8  
Old 1st-June-2006, 20:55
Gary G Jones
Guest
 
Posts: n/a
Default Re: turbo noises

Like already said, get everything checked out asap, mine did not make any
unusual noises at all before meltdown. Still dont know for sure what went
first, the head gasket, or the turbo followed close by by various engine
parts, whatever it was it all took less tha 15 seconds or so.
If all else fails carry a can of petrol in the back, a box of matches and if
it goes like mine, use the petrol and the matches then runaway.
When back home call the insurance and tell them it was nicked.
:o) If only.
Cheers Gary


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  #9  
Old 2nd-June-2006, 11:38
SpamTrapSeeSig
Guest
 
Posts: n/a
Default Re: turbo noises

In article <RGAfg.5778$zv2.494@newsfe4-gui.ntli.net>, Andrew Renshaw
<andrew@preaching.co.uk> writes
>Yikes,
>
>Okay white smoke could be turbo bearings on the way out. Another scarey
>thought is head gasket. Has it overheated at all? If it has then I am
>certain you are looking at an ill turbo.
>
>You need to get the turbo tested.
>
>If I am honest I think your turbo is ill.
>
>Yours
>
>Andy


Marge (110TD) always clears her through after starting with a good white
fogbank, but after she's warmed up there's almost nothing, even under
heavy load. I think it's the Defender equivalent of smoker's cough...

.... but I put it down to the tolerances being off until the turbo has
warmed through thoroughly. Hope I'm right :-o

Regards,

Simonm.

--
simonm|at|muircom|dot|demon|.|c|oh|dot|u|kay
SIMON MUIR, BRISTOL UK www.ukip.org
EUROPEANS AGAINST THE EU www.members.aol.com/eurofaq
GT250A'76 R80/RT'86 110CSW TD'88 www.kc3ltd.co.uk/profile/eurofollie/
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