What happens if you overfill your oil tank?

GeTTin · 12-20-2000, 12:29 AM

I took my car to the dealer today and got the car topped off with some conventional oil. He looked at the dipstick and said that it needs about 1/2 a quart. He poured and I checked it 10 minutes later. It was now over the max line by 2-3 centimeters. Is this bad for the car? Should I take it back to the dealership and have them take some oil out?

Andy P. · 12-20-2000, 12:32 AM

Yes! Over filling the engine can cause oil to be carried over into the induction system, which can cause damage to the catalyst.

It can also cause increased detonation, but one would hope the knock detection system can cope with that.

Andy P.

Levent · 12-20-2000, 12:58 AM

GeTTin · 12-20-2000, 01:17 AM

Should I get the oil out as soon as possible? How would I do this?

Levent · 12-20-2000, 01:32 AM

long can you drive without harm to engine. I think it would be better to call the dealer.Because it is an important situation. No more help. Sorry.

LYTTSPD · 12-20-2000, 01:44 AM

I believe also the crank could dip too far into the oil and actually causing it to foam and therefore likening the chance of air (dry spots) being pumped throught the engine. I could be completely wrong but, that is what I think I remember from auto-shop class in high school.

Levent · 12-20-2000, 02:13 AM

HiTEC · 12-20-2000, 04:15 AM

VAP · 12-20-2000, 04:20 AM

Or between 4 & 5 quarts past full. 2-3 millimeters isnt gonna hurt much but 2-3 centimeters past the full mark could be devastating... hydro-lock the engine and like Andy said ruin the catalytic converter.

JustJeff · 12-20-2000, 04:42 AM

12-20-2000, 12:32 AM	#2
Andy P. New Member Garage is empty, add now Join Date: Mar 2000 Posts: 187	Re: What happens if you overfill your oil tank? Yes! Over filling the engine can cause oil to be carried over into the induction system, which can cause damage to the catalyst. It can also cause increased detonation, but one would hope the knock detection system can cope with that. Andy P.

12-20-2000, 12:58 AM	#3
Levent AudiWorld Super User Garage is empty, add now Join Date: Nov 2000 Location: Turkey Posts: 6,370	Bad. Manual explains this. __________________ 2004 A4 1.8T CVT 2006 MBenz B 150. Sold: 2001 TT 1999 A3 1.8T All & more in Pic.poster.

12-20-2000, 01:17 AM	#4
GeTTin New Member Garage is empty, add now Join Date: Nov 2000 Posts: 245	Re: Bad. Manual explains this. Should I get the oil out as soon as possible? How would I do this?

12-20-2000, 01:32 AM	#5
Levent AudiWorld Super User Garage is empty, add now Join Date: Nov 2000 Location: Turkey Posts: 6,370	Sure ,no harm if not start the engine. But I am not sure how..... long can you drive without harm to engine. I think it would be better to call the dealer.Because it is an important situation. No more help. Sorry. __________________ 2004 A4 1.8T CVT 2006 MBenz B 150. Sold: 2001 TT 1999 A3 1.8T All & more in Pic.poster.

12-20-2000, 01:44 AM	#6
LYTTSPD New Member Garage is empty, add now Join Date: Sep 2000 Posts: 133	Re: What happens if you overfill your oil tank? I believe also the crank could dip too far into the oil and actually causing it to foam and therefore likening the chance of air (dry spots) being pumped throught the engine. I could be completely wrong but, that is what I think I remember from auto-shop class in high school. __________________ "The three characteristics that make up the perfect car: engineering, refinement, and the most important thing... I look damn good in it!!" LYTTSPD

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12-20-2000, 02:13 AM	#7
Levent AudiWorld Super User Garage is empty, add now Join Date: Nov 2000 Location: Turkey Posts: 6,370	LarryTT can answer this Q . properly. Where are you LarryTT __________________ 2004 A4 1.8T CVT 2006 MBenz B 150. Sold: 2001 TT 1999 A3 1.8T All & more in Pic.poster.

12-20-2000, 04:15 AM	#8
HiTEC AudiWorld Super User Garage is empty, add now Join Date: Mar 2000 Posts: 6,458	That's what the standard book answer is. Give that man a cigar! __________________ Brad -2006 Acura TL 6-Sp Manual with Navi system. Nighthawk Black Pearl with Ebony Interior. A-spec suspension & Wheels, 35% Tinted windows -2004 A4 3.0 Quattro USP - SOLD -2001 TT 225 Roadster - SOLD -1998 A4 2.8 Quattro Supercharged - SOLD

12-20-2000, 04:20 AM	#9
VAP AudiWorld Super User Garage is empty, add now Join Date: Mar 2000 Posts: 13,990	Are you sure you mean "2-3 centimeters?" Thats 3/4" to 1 1/4" past the full mark!?! Or between 4 & 5 quarts past full. 2-3 millimeters isnt gonna hurt much but 2-3 centimeters past the full mark could be devastating... hydro-lock the engine and like Andy said ruin the catalytic converter.

12-20-2000, 04:42 AM	#10
JustJeff AudiWorld Super User Garage is empty, add now Join Date: Mar 2000 Posts: 21,760	It can also cause oil "foaming" - Drain it. __________________

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12-20-2000, 04:42 AM
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