Milky white oil dipstick - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 03-03-2010
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Milky white oil dipstick

Ok i was going to check my oil and i pulled out the dipstick and noticed it was milky white. Now having a little bit of a mechanical background i automatically thought it was because of a head gasket . I attend highschool im taking an automotive course so i had a shop at my disposal. I brought my truck in the shop and done a compression test. i tested all 6 cylinders and they were around the same compression i dont know the specific specs because i dont have a repair maunal yet but they ranged from 150-170 near about the same. which bring me to my delima i dont understand what else could be causeing the problem. if anyone could help me out in this i would greatly appericate it!
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Old 03-03-2010
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if it is not a headgasket then it could be from driving short distances and not letting the truck completely warm up. Happens in the winter sometimes.


I would change your oil though, then see if it happens again
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Old 03-03-2010
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Thanks i really appericate it!
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Old 03-03-2010
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I had this issue the first year i got my truck it was also winter except i didn't notice it on the dipstick but on the cap itself. I think your issue is what camodown said b/c when i first got my truck i would pretty much just drive to work which is a 3 mile trip but now i do a **** ton of driving lol and have not noticed it anymore.
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Old 03-03-2010
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Good luck with that.
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Old 03-04-2010
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Sounds like water possible, oil change and see if it happens again
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Old 03-04-2010
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having this problem myself, i heard it could be the themostat but don't hold me to that tho
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Old 03-04-2010
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Pressure test the cooling system. Look at what the pressure is rated at on the radiator cap, pump it up to that psi. If it holds, it's probably not a head gasket. If it doesn't hold, check for an external leak somewhere. If you don't find one, it's probably a head gasket.

OTOH, it could be exactly what Casey said.

Check and see if you've lost any coolant, could be another sign.
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Old 03-04-2010
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The track ***** does this pretty bad if it doesn't get nice and warm and driven alot. Course then it can also fill up a gallon jug with H20 from the breather in about a week....

Short trips are the worse thing you can do to your truck.
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