Had an oil and filter change done at a local garage the other day. Just checked the oil level after driving it 100 miles or so and it's a bit too high.
I've heard this can cause problems on the diesels, more so than overfilling a petrol. Here's where the level is at (on reasonably level ground after standing all night):
Is that OK? It's not drastically overfilled but it is over the max. Should I take it back and get them to drain it out? Trouble is I wouldn't be able to do this until the weekend anyway.
check it on perfectly level ground after standing overnight, if it's above max i'd drain the excess, overfilling the engine oil or filling too fast can be nasty, doug.
Drain it as soon as possible. Diesels will run on engine oil so if it is getting past the piston rings it WILL run on the stuff.
Just imagine the scenario. Starts to run on the oil you stop the engine but because its nots running on the diesel it will not stop! Then it carries on burning the oil till it runs dry and seizes.
Take it back tomorrow and get them to fix their mistake.
Just imagine the scenario. Starts to run on the oil you stop the engine but because its nots running on the diesel it will not stop! Then it carries on burning the oil till it runs dry and seizes.
In my experience all/most garages overfill the sump when they replace the engine oil, i guess this is due to the college/YTS (asbo!) lads that are left to do the job!! thats what you pay £170 quid for!!!
I am sure they are not all the same but i used to drain approx 1/2 litre when they did this.
Do all my own servicing now - to my own high standards at 1/3 of the price the garages charge!
Mrbukie
There is always a popular misconception of the way to check oil levels. Some peeps check it after a run, some when cold and not started or cold and started. I would ensure the vehicle is cold, start the car for 20/30 seconds allow a brief time to settle then take a dip and go from there.
The comment about oil getting past the piston rings is slightly inaccurate. Engines run on their own oil usually if either the headgasket has gone and this leaks oil into the cylinders (unusual but it can happen), or more often oil gets pushed up through the breathers into the air intake. This then enters the cylinders and you get uncontrolled engine speeds. If you overfill the engine with oil this is much more likely to occur. However if you get a lto of crankcase pressure because of worn or broken rings (really unusual on the L series) then this can help blow the oil up the breathers into the air intake.
On the L series there was a rover technical bulletin about making sure that the oil was filled at a "reasonable" rate. If you squirted it in too fast under pressure then the oil may enter the breathers again giving the same symptoms.
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