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AuthorTopic: 2.5 nas diesel oil problem  (Read 1888 times)

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Offline ross501

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2.5 nas diesel oil problem
« on: April 16, 2007, 21:58:59 »
i have a 2.5 nas diesel and it has started pushing oil out through the centre bolt on the rocker any ideas why it is coming out from here
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Offline redhand

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Re: 2.5 nas diesel oil problem
« Reply #1 on: April 16, 2007, 22:10:00 »
Quote from: "ross501"
i have a 2.5 nas diesel and it has started pushing oil out through the centre bolt on the rocker any ideas why it is coming out from here


I had the same problem but out of the dipstick tube. It's caused by crankcase pressurisation. usually worn rings or blocked crankcase breather pipe.
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Offline Sharpshooter

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Re: 2.5 nas diesel oil problem
« Reply #2 on: April 16, 2007, 22:15:25 »
Quote from: "ross501"
i have a 2.5 nas diesel and it has started pushing oil out through the centre bolt on the rocker any ideas why it is coming out from here


Take the nut off, and the bracket for the heater pipes. Then fit a good fitting washer. Refit the bracket and then another washer followed by the nut.

Happened to mine. Its where there is a small gap around the thread, and the oil gets out. :D  :D
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Offline ross501

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2.5 nas diesel oil problem
« Reply #3 on: April 19, 2007, 19:02:58 »
i will try that at the weekend thanks for the advice
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Offline William

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2.5 nas diesel oil problem
« Reply #4 on: April 19, 2007, 20:47:18 »
alrite mate, i have the same trouble with mine except it gets pushed through the breather, its due to excess pressure in the crank housing.
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Offline ross501

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2.5 nas diesel oil problem
« Reply #5 on: April 23, 2007, 18:03:32 »
it also coming out the sump gasket now
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Offline ross501

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2.5 nas diesel oil problem
« Reply #6 on: April 28, 2007, 18:17:03 »
the engine sat for a long time would this cause the problem
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Offline Rich_P

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2.5 nas diesel oil problem
« Reply #7 on: April 28, 2007, 19:05:06 »
Check all engine breathers!  That is where I'd start first, and if all are clear and are not blocked then it could be simply down to engine wear and tear.

Does it smoke while running?
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Offline ross501

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2.5 nas diesel oil problem
« Reply #8 on: April 29, 2007, 21:37:34 »
checked and cleaned the black one on top the engine does not smoke at all not even when cold any help greatfully recieved
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