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freeski-james Articulating
Joined: 06 Oct 2007 Odometer: 774 Location: Ardingly
1988 Land Rover Defender
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Posted: Tue Feb 16, 2016 5:24 pm Post subject: Td5 turbo
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I've had a surging while under load which I know is a Seized waste gate, but 2 days ago in the morning till the engine is warm there is a lot of smoke, I took the house off the turbo and there is oil around the veins and also the veins seem to wobble which I presume is a nakered bearing.
Could this be causing the smoke though?
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( Gray ) Articulating
Joined: 15 Apr 2012 Odometer: 597
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Posted: Tue Feb 16, 2016 5:39 pm Post subject:
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What colour is the smoke?
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freeski-james Articulating
Joined: 06 Oct 2007 Odometer: 774 Location: Ardingly
1988 Land Rover Defender
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Posted: Tue Feb 16, 2016 6:27 pm Post subject:
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Blue
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mike328 Articulating
Joined: 10 Dec 2014 Odometer: 793 Location: Suffolk!
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Posted: Tue Feb 16, 2016 8:23 pm Post subject:
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Blue would be oil....
not sure I'd be too worried if the impeller doesn't hit the housing. Most turbo's will have a little side to side play because the turbine shaft runs on a very thin film of oil.
In/out play is apparently more significant and an indication something not right...
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Big Dunc Just got MTs
Joined: 09 Aug 2010 Odometer: 134
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Posted: Wed Feb 17, 2016 8:06 am Post subject:
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If the bearings have failed, the movement when it is running will allow oil past the seals, hence the smoke.
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Xpajun Mud Obsessed
Joined: 22 Sep 2008 Odometer: 3245
1988 Mitsubishi Shogun
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Posted: Thu Feb 18, 2016 8:13 am Post subject:
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Big Dunc wrote: | If the bearings have failed, the movement when it is running will allow oil past the seals, hence the smoke. |
You will know when the bearing fails on a turbo - believe me
Most oil on turbo blades come via the engine breather rather than the turbo bearing
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Big Dunc Just got MTs
Joined: 09 Aug 2010 Odometer: 134
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Posted: Mon Feb 22, 2016 8:45 am Post subject:
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Sorry, I didnt phrase that well.
If the bearings catastrophically fail, you will know about it.
Often, before they catastrophically fail, but when they have worn, there will be a bit of play in the shaft. The result of this will be that the seals fail and oil past, causing smoke as it burns.
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Caltoner Gate Opener
Joined: 26 Dec 2018 Odometer: 1
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Posted: Fri Jan 04, 2019 7:03 am Post subject:
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what colour https://kennerregional.com/ is the smoke?
Last edited by Caltoner on Thu Sep 12, 2019 6:13 am; edited 2 times in total |
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** GED ** Mud Obsessed
Joined: 18 Jun 2014 Odometer: 2039 Location: Scouser
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Posted: Fri Jan 04, 2019 8:26 pm Post subject:
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the same colour as it was three years ago...
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Nightbar Difflock Royalty
Joined: 30 Sep 2003 Odometer: 20799 Location: In a state of anticipation...
1999 Land Rover Defender
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Posted: Sat Jan 05, 2019 11:26 am Post subject:
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Watching....
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** GED ** Mud Obsessed
Joined: 18 Jun 2014 Odometer: 2039 Location: Scouser
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Posted: Sat Jan 05, 2019 6:55 pm Post subject:
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incoming
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Nightbar Difflock Royalty
Joined: 30 Sep 2003 Odometer: 20799 Location: In a state of anticipation...
1999 Land Rover Defender
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Posted: Sun Jan 06, 2019 9:45 am Post subject:
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...watch and shoot, watch and shoot...
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