Vehicle & Technical > Defender

2.5 nas diesel oil problem

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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

redhand:

--- 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
--- End quote ---


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.

Sharpshooter:

--- 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
--- End quote ---


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

ross501:
i will try that at the weekend thanks for the advice

William:
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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