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Over filled engine oil


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As some of you may already know, I've had a front leaky crank seal on my 300tdi.

Anyway I seem to have rectified that now with a new seal and belt just incase.

I'm just wondering if having the engine oil about 5mm above the max marker on the dipstick (not ideak i know) would cause the seals to leak. I'm using castrol gtx 15w/40 and since changing the oil about 800mls ago the engine seems to have more leaks.

I just don't want to go through all that work again if it is over filled and causing it.

Thanks all

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Just so you know, when that first seal leaks, it's doing so to tell you that the rest need done also, 5mm not ideal but won't do incredible harm either!

Get a list of all seals and gaskets and change them all one by one, they are all about ready, the first one leaking said so ;)

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I've cured the crank seal on the front. But there is another leak which I'm not quite sure where it's coming from, but it all fairness it's all ways been there. However seems worse with the castrol gtx.

I don't generally over fill them. But this time unfortunately I did.

Thanks all

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The oil leak, Front ? Rear ? Side?

And it's better to have the oil level fractionally below the fill line rather than above. That said all you risk by seriously over filling the sump is the crank hitting the oil and causing it to foam, and at only 5mm above the line that wont happen.

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Cheers boydie Les and Pete hahaa.

I'm glad it won't have caused any damage. Even so I'm going to drop some out just incase. I think the other leak maybe the sump boydie, all though I'm not sure. Going to have a proper look tomorrow and maybe drop the sump off and run some RTV silicon round it.

It's generally a very dry land rover -shock ;), and there is oil in everything.

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The works composite gasket is far better than using silicon, if only because it makes it 100% easier to remove it next time. The only thing you need to confirm is that your sump pan is totally flat on the joint face, if its even slightly distorted the gasket wont seal it fully. My bet is the oil leak will be coming out of the vacuum pump discharge poppet valve welch plug and leaking down the RH side of the engine block.

Incidentally Pete, my 300TDi engine / R380 gearbox mustn't be a "proper" Land Rover, it's not leaked a drop since I rebuilt it and replaced the fuel lift pump and vacuum pumps with reliable electric items, Oh, and since I made my own proper cyclone oil separator to replace the pathetic plastic thing the intercooler is almost oil film free.

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I took some pictures this morning of the oil leak. Im pretty certain its not coming from the vacuum pump. However the side of the engine is that gunked with years and years of oil and dirt it looks like tarmac. Im not totally convinced its the sump, but it still could be, Where my finger is pointing in some of the pictures bellow is where the oil seems to end up. Any one got any ideas?

http://s905.photobucket.com/user/souster4/media/Mobile%20Uploads/20150501_115346.jpg.html?o=0

http://s905.photobucket.com/user/souster4/media/Mobile%20Uploads/20150501_115309.jpg.html?o=1

http://s905.photobucket.com/user/souster4/media/Mobile%20Uploads/20150501_115239.jpg.html?o=2

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Clean it all off (buy a gallon of brake cleaner + trigger spray bottle) then look for the highest point that's getting oily, the draught in an engine bay when driving can fling oil all round the place but gravity is pretty reliable.

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Egads Souster, how can you live with yourself ! :angry2: Get that engine cleaned off. Spend a few bucks, get a few aerosol cans of GOOD commercial degreaser and beg, borrow or hire a hot water pressure cleaner and get the engine block clean and back to bare metal. Its more effective if the engine is hot, but with that amount of external insulation I don't see that as being much of a problem.

You might also consider cleaning off the gearbox and transfer boxes off at the same time, I'd advise you purchase some pairs of disposable overalls from your local hardware store - 'cos boy are you going to get down & dirty.

Once you have all the crud and carp off it locating the oil leak will be easy, I still think its coming from the vacuum pump but I'd be amazed if you could locate anything with the engine in that state. Oh, and you're grounded for a month ! :rtfm:

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As the others have said - get it clean. I've had very good results with domestic kitchen degreaser products and a cheap cold water pressure washer. I used to use fairy powerspray, but it's expensive so now I'm using Aldi kitchen degreaser, it's the one in the Orange bottle. Get yourself a couple of bottles, spray it on and let it do its stuff, wait five minutes, pressure wash it off, and repeat as necessary

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Boydie said - Oh, and since I made my own proper cyclone oil separator to replace the pathetic plastic thing the intercooler is almost oil film free.

This is something I have on my to-do list as I agree the plastic one isnt great. Do you have details please?

I had thought about a catch tank system but can see no reason why a cyclonic setup with a slightly bigger volume wouldnt be enough.

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