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Author Topic: Dreaded police siren  (Read 2761 times)

Offline nadlad

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Dreaded police siren
« on: November 23, 2012, 02:44:48 pm »
2008 27k on clock with mild remap upto 180 and now the dreaded siren noise is here as per research its only audible at low speed.

Some say it's normal sone say it's bearing I don't know what to do!

Sent from my GT-I9300 using Tapatalk 2
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Offline chrisr763

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Re: Dreaded police siren
« Reply #1 on: November 23, 2012, 03:02:56 pm »
I appoligise for this...




Sure your not just being followed?  :grin:
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Offline PDT

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Re: Dreaded police siren
« Reply #2 on: November 23, 2012, 03:09:29 pm »
its a well known problem on the 140PD, usually caused by failed turbo bearings. It will get worse over time and usually requires a new turbo to be fitted.
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Offline JoeDarKa

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Re: Dreaded police siren
« Reply #3 on: November 23, 2012, 03:46:46 pm »
I would replace it, mine went pop without any symptoms and mine was only on 21k i think!
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Offline Polo6n1600i

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Re: Dreaded police siren
« Reply #4 on: November 23, 2012, 03:57:56 pm »
But what causes the failed turbo bearings? I was told reliably that it was due to the oil feed/return getting blocked with crap oil sludge??
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Offline jonm

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Re: Dreaded police siren
« Reply #5 on: November 23, 2012, 04:28:35 pm »
I've had my "police Siren" "Owl" noise for 40,000 miles so far... Everyone I spoke to says its normal  :confused:
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Offline jason_rmh

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Re: Re: Dreaded police siren
« Reply #6 on: November 23, 2012, 04:38:00 pm »
My 140 has been doing it for a while too. I have a recon turbo to fit, just haven't gotten round to it. Lol.
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Offline nadlad

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Re: Dreaded police siren
« Reply #7 on: November 23, 2012, 11:42:47 pm »
Quote from: JoeDarKa on November 23, 2012, 03:46:46 pm
I would replace it, mine went pop without any symptoms and mine was only on 21k i think!

how much did it cost you? what did u go for and has the siren noise finished now?
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Offline Andy

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Re: Dreaded police siren
« Reply #8 on: November 23, 2012, 11:54:33 pm »
midland turbos are very good standard turbos
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Offline JoeDarKa

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Re: Dreaded police siren
« Reply #9 on: November 24, 2012, 06:32:26 am »
I think mine was about 1.1k with a new turbo, intercooler and pipework etc. mine never made any siren noise, just exploded when overtaking. It still whistles but thats quite normal on many diesels
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Offline nadlad

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Re: Dreaded police siren
« Reply #10 on: November 24, 2012, 11:52:44 am »
Quote from: maxitrol on November 23, 2012, 11:54:33 pm
midland turbos are very good standard turbos

do they stop the siren noise?

i was looking at darkside their a touch on the expensive side though
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Offline Andy

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Re: Dreaded police siren
« Reply #11 on: November 24, 2012, 12:25:05 pm »
Quote from: nadlad on November 24, 2012, 11:52:44 am
Quote from: maxitrol on November 23, 2012, 11:54:33 pm
midland turbos are very good standard turbos

do they stop the siren noise?
i was looking at darkside their a touch on the expensive side though
do they stop the siren noise?
the one i got of them did,to be fair any new turbo will be better and quite to the one on your car
i was looking at darkside their a touch on the expensive side though
« Last Edit: November 24, 2012, 03:16:03 pm by maxitrol »
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Offline nadlad

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Re: Re: Dreaded police siren
« Reply #12 on: November 24, 2012, 01:34:16 pm »
Max u missed the text


Sent from my GT-I9300 using Tapatalk 2
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Offline Eddie-NL

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Re: Re: Dreaded police siren
« Reply #13 on: November 24, 2012, 01:36:11 pm »
Quote from: nadlad on November 24, 2012, 01:34:16 pm
Max u missed the text


Sent from my GT-I9300 using Tapatalk 2

look at it closely, it is in the middle
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Offline nadlad

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Re: Dreaded police siren
« Reply #14 on: November 24, 2012, 06:50:41 pm »
i need a long term perm fix as i have too much ploughed into the car so am thinking HYBRID now

any feedback from anyone
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