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rambling rollie



Member Since: 22 Jul 2017
Location: Port Elizabeth
Posts: 62

South Africa 
oil level high after top-up

Greetings!
I've read (and appreciate) that too much oil is bad for your engine.
However, the manual says "if the oil level is above half way between the dipstick markings then don't add oil, but if it is below the half way mark then add 1 pint"..
So I added a pint after noticing the oil was just below half way...
Now my oil level is about 1cm above the full line!
WTF?!
Surely this isn't going to be an issue?

Post #336041 27th Nov 2017 11:19 am
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Yorky Bob



Member Since: 28 Apr 2015
Location: Yorkshire
Posts: 4561

United Kingdom 2013 Freelander 2 TD4 GS Manual Firenze Red

If you have a DPF possibly. Why ? As extra fuel is added at the DPF burn off stage and some may/can end up in sump. Happy to be corrected on that if I have it wrong.

A slight amount otherwise is not perfect and just over should be OK but its a learning curve to add a little and check in future. FL2 MY10 TD4 GS traded in at 2 years
FL2 MY13 TD4 GS Current

Post #336047 27th Nov 2017 12:08 pm
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iain cooper



Member Since: 27 Aug 2007
Location: north of Glasgow
Posts: 1989

Scotland 2009 Freelander 2 TD4_e HSE Manual Lago Grey

every time I had mine dealer serviced it was always filled just above the full mark on the dipstick.

probably would not have done any harm, but I always drew some out of the dipstick hole to correct level.

Iain

Post #336053 27th Nov 2017 12:51 pm
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jules



Member Since: 13 Dec 2007
Location: The Wilds of Warwickshire
Posts: 4517

United Kingdom 2014 Freelander 2 SD4 SE Auto Firenze Red
Re: oil level high after top-up

rambling rollie wrote:
Greetings!
I've read (and appreciate) that too much oil is bad for your engine.
However, the manual says "if the oil level is above half way between the dipstick markings then don't add oil, but if it is below the half way mark then add 1 pint"..
So I added a pint after noticing the oil was just below half way...
Now my oil level is about 1cm above the full line!
WTF?!
Surely this isn't going to be an issue?


I use one of these Pela pumps

 Jules

Post #336063 27th Nov 2017 4:02 pm
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alex_pescaru



Member Since: 12 Mar 2009
Location: RO
Posts: 4640

Don't worry if the level is above max with, say, max. 1 cm, on a FL2 stopped engine. Worry if it's that way when the engine is running! But that will not be the case for you.

Too much oil means that the crankshaft and/or balance shafts can hit the oil in the bottom of the crankcase when the engine is running.
Since the crankshaft is spinning fast, each time it hits the surface of the oil, it will create some air bubbles in the oil.
It will not be long and the oil will become some kind of foam, just like a whipping egg foam.
So the oil pump will pump less oil - meaning less oil pressure - because the "oil foam" will contain compressible air, instead of only incompressible liquid.

So a gross excess of engine oil can kill your engine by the exact same cause as not having enough engine oil.

As on an oil change the FL2 engine takes 5.9 liters, the garages put 6 liters round and therefore that apparent overfilling. But that will not hurt at all the engine.

Post #336066 27th Nov 2017 4:33 pm
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