Over filled oil?
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Senior User
Joined: Feb 2008
Posts: 113
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From: Port Republic, Maryland
Over filled oil?
I recently bought a 2002 excursion 7.3 diesel. About 1000 miles ago I did my first oilchange on it. I noticed some oil spots on the ground under it and when I checked under it looked like it was dripping from the oil filter. I tightened the filter and cleaned the area. When I checked the oil level the dip stick indicated I have too much oil in it. The dipstick also clearly states, do not overfill. I am not looking forward to draining some of the oil out, so I was wondering what problems come from it being overfilled, is it something I should be concerned about?
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,739
Likes: 2,669
From: SE Florida
If it is overfilled the level can be high enough that the crankshaft hits the oil. This will whip the oil into a foam, and foam can't lubricate. Now engine parts that must have lube don't get it, so you'll need a new engine.
I'd drain the excess out NOW.
I'd drain the excess out NOW.
Junior User
Joined: Feb 2004
Posts: 55
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From: Akron, OH
Yeah, it can cause some slapping of the crank in the oil but it will not destroy your engine. Might rob you of a little horsepower but that is about it. if it's only a quart or two I wouldn't bother with it. I put an extra quart in my cars when I head to the track to race. You'll be fine.
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Elder User
Joined: Nov 2004
Posts: 614
Likes: 1
From: Fort Wayne IN
The injectors on your truck are hydraulic and rely on good oil getting to them. If you have too much oil and it starts to foam your engine will start running rough. Drain it out.
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Senior User
Joined: Feb 2008
Posts: 113
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From: Port Republic, Maryland
I drained it. Thank you.
I went ahead and drained it. It wasn't a big deal and I wanted to have it right for my camping trip. Just towed a 9000 camper roughly 4 hours each way and on some mountain grades. It tows my camper beautifully. I love my excursion. I'll be getting a set of new tires on it this week, I am getting Yokohama Geolandar AT/S tires on it. Did I mention I love my xcursion.
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