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Old 12-10-2006, 08:10 PM   #1
rougeben83
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Default Accuracy of the oil dipstick

Alrighty, is it just me or is the oil dipstick on our cars just really inaccurate? I changed the oil the other day, filled it up to "F", drove it in a rallycross, and before going home, checked the oil level and it was past the little hole (this is after the car was sitting for a good 30 minutes).

Today I checked the oil level again at the church parking lot and it was right in between "F" and the hole and the engine was slightly warm...wtf

Ok, rant over...
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Old 12-10-2006, 08:52 PM   #2
Wiscon_Mark
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It's not accurate. I've had it tell me I was like a quart over at some instances.
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Old 12-10-2006, 11:01 PM   #3
DerFahrer
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Same here. I've pulled the dipstick out to see it almost completely dry, put a quart of oil in it, check it again later, then it's a quart over

Can't tell you why for sure either. I think it might be something inherent in the boxer design that some oil stays in the heads or something and doesn't come back down to the pan to be measured.
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Old 12-11-2006, 10:56 AM   #4
MYfirst00
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Yup, quart over was typical in the past three EJ25's I've owned.
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Old 12-11-2006, 10:59 AM   #5
ttatsumi
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So, what's the best way to measure it. besides draining everying?
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Old 12-11-2006, 11:03 AM   #6
MYfirst00
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I think that's the only other way. Drain it hot and fill it with the amount in the manual. But a little over or a little under isn't going to do much harm. As long as I see a mark on the dipstick, I keep driving.
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Old 12-11-2006, 09:28 PM   #7
SLegacy99
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Yeah Ive had 3 Ej25s always had issues. Just the way it is. Gotta be careful.
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Old 12-11-2006, 10:53 PM   #8
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...why is there such confusion here?

i drain it all the way. put in slightly over 4.5qts and it's full. problem solved.

--

if the engine was just run it will read low, it's not all in the pan yet.

if it IS running, you're retarded, shut it off. it's not like automatic tranny fluid.

you pull the stick, wipe, then dip all the way, check it.

just put the right amount in, note where it is on the stick AFTER you start it and fill the filter, then let it settle for a minute. go by that.

common sense y'all.

it's a wet stick; about as blatant as a weather rock.
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Old 12-11-2006, 11:48 PM   #9
rougeben83
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It'll be a problem when I have the turbo, bigger oil filter, and oil cooler installed...it won't be 4.5 quarts anymore
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Old 12-15-2006, 08:15 AM   #10
Jonathan
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Quote:
Accuracy of the oil dipstick
I think the dipstick itself is perfectly accurate, although mine is a dark anodized black which is much harder to read then a silver dipstick.

Oil level should be checked on a level surface, after having sat for 3-4 minutes with the engine off.
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