98 4.6L dipstick wrong.. Anyone else?
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98 4.6L dipstick wrong.. Anyone else?
I've got a 98 4.6L f150 with a strange problem.
The oil level dipstick does not read correctly.
I understand that the dipstick is not a magical oil capacity reading device, just a metal stick, but is this a common problem, or is mine one of a few?
The ford book says 6 quarts of oil with a new filter. I use 6 quarts of motorcraft oil with a motorcraft filter.
Sure enough when I check the oil, it comes up reading down half a quart.
The truck doesn't use a drip of oil, after 5k miles its still reading down half a quart.
Now I refuse to take it to an oil jockey because they would just overfill the crankcase.
The oil level dipstick does not read correctly.
I understand that the dipstick is not a magical oil capacity reading device, just a metal stick, but is this a common problem, or is mine one of a few?
The ford book says 6 quarts of oil with a new filter. I use 6 quarts of motorcraft oil with a motorcraft filter.
Sure enough when I check the oil, it comes up reading down half a quart.
The truck doesn't use a drip of oil, after 5k miles its still reading down half a quart.
Now I refuse to take it to an oil jockey because they would just overfill the crankcase.
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Joined: Dec 2001
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From: Louisville,Ky.
They are all this way for some reason. I would measure the space between full and 1/2 qt low, and use a tubing cutter and cut that much off of the dipstick tube. Then it will read full when it is full.
Postmaster
Joined: Nov 2006
Posts: 4,517
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From: SE Wyoming
Do you have the relocated oil filter behind the headlight? Mine takes an extra quart to fill all the lines that run to that spot, takes a qt more than the book says because of the oil lines. I go by the dipstick not what the book says since the book has no idea what is actually in your oil pan. The new 6.0L's are the other way the book says 15 or 16qts and really takes a qt less.
New User
Joined: May 2006
Posts: 23
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From: chillicothe ohio
well the first time i changed the oil in my 04 mach-1 it took 7.5 quarts to fill it.the book says 6.3 quarts.so i now put 6.3 quarts.and i scribed a line on the dipstic so i know were full is
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Senior User
Joined: Feb 2004
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From: windsor ont canada
Half sight glass,half dipstick is the recognized standard in industry for machinery lube fill levels.Anywhere in the hashmarks is considered full as some oil will always pool in parts of the system making the actual fill level relative.If you shut down the motor and check it right away it will be lower that if you check it an hour after shutdown.So long as it's always in the hash marks it's good no matter when it's checked.
Last edited by matt_97xl; Dec 22, 2006 at 11:16 PM.
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