4.6L General Discussion This section is for non-tech specific information pertaining to 4.6L (Modular) Mustangs built from 1996 to 2004.

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Old 02-28-2011, 03:00 PM
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thatdude305
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I went to get an oil change today and they couldnt do it. They said that there was either coolant in the oil or oil in the coolant. They said that there was some yellow in the coolant and that there was some white in the oil cap (where you add oil to). They also told me that the stick was dry. Doesnt anyone know what the problem could be? Anything would help...
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Old 02-28-2011, 03:28 PM
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teej281
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Milky oil could mean head gasket on the way out. Coolant is yellow...so there isnt anything to worry about there IMO. But milky oil isnt good...and if the dipstick is dry, better put oil in there ASAP
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Old 02-28-2011, 04:02 PM
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cliffyk
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"Dipstick is dry" means you have never (or at best recently) checked the oil and have run it down below 1-1/2 qts low. They would not proceed because they didn't want the liability of working on what may very well be a damaged engine.
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Old 02-28-2011, 04:04 PM
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thatdude305
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Should i take it somewhere else and see if they will change the oil?? No indicator lights come on the dash or anything??
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Old 02-28-2011, 04:18 PM
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cliffyk
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Originally Posted by thatdude305
Should i take it somewhere else and see if they will change the oil?? No indicator lights come on the dash or anything??
You should pull the dipstick, check it, and add oil as required to bring it up to the proper level. Unfortunately if there is "either coolant in the oil or oil in the coolant" then the damage has been done and you likely have blown one or both head gaskets.

The o/p gauge will not indicate any problem until the pressure drops below 6 psi--I.e. just a little bit before the engine has been damaged...
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Old 02-28-2011, 06:42 PM
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BraMas
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The oil on the cap is a very normal thing in the winter. It's condensation and oil mixing on the cap. I'm assuming you do alot of short trips not letting the engine burn off the condensation. The shop you took it to should have known that(unless it was Walmart)
And do you really have to ask what to do If there is no oil on the dipstick? Dipstick!
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Old 02-28-2011, 06:55 PM
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kugzgt
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Real talk. Real men change their own oil.
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Old 02-28-2011, 07:17 PM
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DRAGUL
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Not only did you run your oil low but how many miles since your last oil change? You do know that your suppose to check your fluid levels. Like cliffy said the damage is probably already done.
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Old 02-28-2011, 07:28 PM
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JT76
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As stated above, some schmegma on the cap is normal this time of year. Put some oil in it and take it to a different location. While in the waiting room, think about the man points you have lost.
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Old 02-28-2011, 08:04 PM
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fidelcastrol
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I thought everybody on this forum changed their own oil, hell I used to change mine in the street on 47 st. in Manhattan with two tires on the curb! Eff Jiffy lube and the dealer with those lab test tubes.
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