nissan patrol turbo diesel update

Submitted: Tuesday, Mar 07, 2006 at 18:42
ThreadID: 31512 Views:2034 Replies:5 FollowUps:5
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....has anyone heard of a turbo shaft breaking???
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Reply By: dieselup - Tuesday, Mar 07, 2006 at 19:57

Tuesday, Mar 07, 2006 at 19:57
Hi Lynnie
I've seen it happen in a Cterpillar front end loader
The shaft broke and allowed oil into the hot exhaust and the engine bay caught fire ,it happened out of the blue everything was running fine and BANG!
Could easily happen in a 4by
Out of interest .Why do you ask?
AnswerID: 159161

Follow Up By: lynnie - Tuesday, Mar 07, 2006 at 20:50

Tuesday, Mar 07, 2006 at 20:50
because it seems to have happened tomy 3.0 litre turbo diesel patrol
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Follow Up By: dieselup - Tuesday, Mar 07, 2006 at 21:01

Tuesday, Mar 07, 2006 at 21:01
Talk to the people at MTQ Engine Systems -check their web site
You'd probably need a mortgage for a genuine one
Hope it works out OK
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Follow Up By: Leroy - Tuesday, Mar 07, 2006 at 21:07

Tuesday, Mar 07, 2006 at 21:07
there was someone selling a genuine new turbo in the trader recently. He said rrp was $1700 and he was selling for $1000.

Leroy
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Reply By: bugger it - Tuesday, Mar 07, 2006 at 20:21

Tuesday, Mar 07, 2006 at 20:21
Lynnie there are few things that can cause a shaft to fail :

losing oil pressure to the bearings can cause premature bearing wear and allow the spinning shaft/wheels to contact the housings

a foreign object entering the turbo either from the air intake or from the exhaust can damage the wheel and depending how big can knock the wheel out of balance and if it contacts the housing it can be all over pretty quickly

the last and in my experience the less likely cause is shaft failure

turbo failures the majority of time happen because of system faults or poor maintenance but from my experience the majority of people i have ever dealt with have been religous with 5000k oil/filter changes or some go 5000k oil, 10,000k filter

as with the above post without more info its hard to say whats happened in your case

Stalin's Revenge
AnswerID: 159166

Follow Up By: bugger it - Tuesday, Mar 07, 2006 at 20:29

Tuesday, Mar 07, 2006 at 20:29
oh i should of added that shaft failure to a manufacturing fault is the less likely one
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Reply By: Leroy - Tuesday, Mar 07, 2006 at 21:05

Tuesday, Mar 07, 2006 at 21:05
Maybe when the engine blew a bit of 'foreign' matter got out throught the exhaust and into the turbo. Going by the past history of the 3.0l I would think that more plausable. Is the dealer/Nissan trying to get out of a warranty claim?

Leroy
AnswerID: 159178

Follow Up By: dieselup - Tuesday, Mar 07, 2006 at 21:14

Tuesday, Mar 07, 2006 at 21:14
Good point Leroy
Tell us a bit more of the story Lynny so we can give a better response to the original question
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Reply By: Member - Lance S (VIC) - Wednesday, Mar 08, 2006 at 19:17

Wednesday, Mar 08, 2006 at 19:17
Most common cause is lack of oil from from your supply line from your oil filter to the turbo which cause the shaft to break. It can either be caused by a faulty/warn oil pump, warn big end bearings which doesnt supply enough pressure to the oil filter then turbo or blockage in the oil supply line. Hopes this helps. It usually costs me about $1500-$1800 depending on the size of the turbos.
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AnswerID: 159364

Reply By: DesC - Friday, Mar 10, 2006 at 19:16

Friday, Mar 10, 2006 at 19:16
We have had a fair few 6081 John Deere engines break turbo shafts. They are ringing the engines neck at around 400 hp in 8.1 litre engine at 36 psi boost pressure.
AnswerID: 159774

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