Engine Oil level slightly above max - Alfa Romeo Forum
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(Post Link) post #1 of 4 Old 01-03-10 Thread Starter
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Engine Oil level slightly above max

my JTS was recently serviced and the oil level was about 200ml above the max level. Can i leave it as it is or get the mechs to drain down to the max level? what are the implications of oil level slightly above max?
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That’s not that much over; it will burn away, don’t worry.

You mean the garage put 200ml more into the engine? How can you see on the dipstick 200ml? How much above the MAX mark is it on the dipstick? MIN-MAX is about 1 liter of oil and its about 2cm on the dipstick. So 200ml more should be just few mm more above MAX mark. Is it like this?

If you overfill oil really much, the usual consequences are that the crankshaft and condors are hitting the oil surface and make it foaming what can cause the oil pump to suck in air bubbles. Other thing is that it penetrates more through the piston rings due to high crankcase pressure, burns and can damage the cat. But for this, you would really need to overfill. 200 ml is nothing.

TS should have 4,4 liters of oil inside including the filter. When I change the oil I need to put in 4,6 – 4,7 liters to have the level on MAX on the dipstick.

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yes, i based it on the min to max mark being 1 liter and make the estimation of 200ml as the overfill is less than half the length of the min to max mark. i don't think the garage deliberately did it but it was maybe just incomplete draining. anyway thanks for the useful info.
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I have seen first hand what happens when you over fill your oil level. It was quite impressive to be able to see straight through an engine block! The crank was hitting the oil which obviously put strain on it until it snapped sending half the crank, one piston and its conrod through the side of the block and onto the motorway! but that was an extreme case on a VW Polo with a careless owner. I very much doubt 200ml will get anywhere near the crank. But if your really worried take it back and have it drained.
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