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Anonymous Posted on Feb 16, 2018
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I have a 2005 Chrysler Pacifica. It is milky brownish color in my anti freeze. My car is not over heating and oil dipstick is okay it does not have the milky stuff present mechanic says he do not think its a head gasket because head gaskets have different symptoms. What do you guys think?

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old marine

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  • Chrysler Master 2,426 Answers
  • Posted on Feb 19, 2018
old marine
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What does your transmission lubricant look like on the dipstick. The transmission oil cooler 'lives' inside the radiator, and if it sprung a leak you'll be getting coolant in the transmission. Don't drive it this way.

doug felsenthal

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  • Posted on Feb 16, 2018
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Milky color is most likely oil from somewhere. I would give is a good cooling flush and see how long it takes to come back

else need more information

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Anonymous

  • 158 Answers
  • Posted on May 12, 2011

SOURCE: 2005 Chrysler pacifica 3.5 v6

sc1232ip, I think that this is definitely a head gasket problem. When the coolant boils out of the everflow bottle it is because combustion gases are getting by the gasket and heating the coolant faster than the radiator can cool it down and this is the easiet place for it to escape. Also the code po300 for a Chrysler is for a misfire detected. One of your cylinders are getting oil or coolant into them causing this. You didn't mention what color your exhaust fumes were. Are they white (coolant) and have a sweet odor to them or do they have a blue tint to them (oil). Another possibility is a crack cylinder head. Good luck with this.

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Related Questions:

0helpful
1answer

2004 Chrysler Pacifica oil and water but not overheating and no milky substance on oil dipstick.
Yes, the oil cooler is water cooled.

https://www.google.com/search?q=2004+Chrysler+Pacifica+oil+cooler

..
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Mar 06, 2022 • 2004 Chrysler Pacifica
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I HAVE THIS 2005 CHRYSLER PACIFIC HAD TRANSMISSION FLUSH AFTER DRIVING IT ..IT OVERHEAT NOW WHITE MILKY SUBSTANCE IN COOLANT RESAVOIR WHY ??
You need to check the oil and see if the dipstick shows overfill on oil or if you see the white milky substance on the dipstick you may have a blown intake gasket or head gaskets. I would think it sounds like a blown head gasket. Hope this helps.
If you are adding water to the system you have a problem somewhere you might want to run a compression check on the cylinders to see if you have a intake gasket leak or a head leak. How hot did the car get because you might have cracked a head. If you don't see the water in the oil it may be exhausting out the tail pipe.
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Sep 14, 2015 • Chrysler Cars & Trucks
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2002 Nissan Altman looseing anti freeze but nothing under the car
Many possible causes. Leak can be when you drive, but not show on your driveway. The heater could be leaking into the passenger area, though you'd likely smell the "maple syrup" smell of anti-freeze.

It's also possible that you have a head gasket leak into the coolant, causing the overheating, and blowing some of your coolant out. Get a compression test on the cooling system, and a compression check on the cylinders.
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Sep 21, 2014 • 2002 Nissan Altima
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What causes radiator water to be milky looking chrysler pacifica 2006
It could be an oil leak in your head gasket. when oil and water mix in your motor the result is a milky grey substance, I have only seen it in the block oil pan, not the coolant resevior.
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Aug 26, 2012 • 2004 Chrysler Pacifica
2helpful
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2005 Chrysler pacifica 3.5 v6 over headed anti freeze comong out of overflow tank and code po300 you think its the head gasket thanks.
sc1232ip, I think that this is definitely a head gasket problem. When the coolant boils out of the everflow bottle it is because combustion gases are getting by the gasket and heating the coolant faster than the radiator can cool it down and this is the easiet place for it to escape. Also the code po300 for a Chrysler is for a misfire detected. One of your cylinders are getting oil or coolant into them causing this. You didn't mention what color your exhaust fumes were. Are they white (coolant) and have a sweet odor to them or do they have a blue tint to them (oil). Another possibility is a crack cylinder head. Good luck with this.
Read full answer
May 12, 2011 • Chrysler Pacifica Cars & Trucks
0helpful
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I have a 2005 uplander and it over heats and loses all antifreeze and we have to keep putting more in it . We cant seem to find where it is coming out from any ide's what might be causing this problem?
My suggestion is to pull the oil dipstick on your vehicle and check your oil level also look at the color of the oil. If the oil is clear looking like you had the oil changed your fine. If the oil is very dark almost black looking, you probably need and oil change but your still fine. If the oil mark on the oil stick is very high and milky in color then I would think you have a blown head gasket on your vehicle and all of your anti freeze is flowing back into your oil pan. This can be a very expensive fix to your vehicle. I hope this helps you out on where to look to find where your anti freeze may be going.
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Mar 31, 2011 • 2007 Chevrolet Uplander
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1answer

Noticed it was overheating, let it cool, removed radiator cap, saw this brownish substance all over the inside of cap and in radiator. What is it and what should I do?
the brownish is oil/the head gasket busted threw letting in oil to the water pull the dipstick and see if there is any moisture or milky looking substance if so look for another motor or have the heads magnafluxed for cracks
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Mar 24, 2011 • 2004 Pontiac Grand Prix
2helpful
2answers

No heat , antifreez leak not visable...
A car this new should have a warranty right? the only other place for anti-freeze to go is through a blown headgasket into your oil. Pull out your oil dipstick and make sure it is not milky in color. If not check behind the engine and see if any coolant lines going into the firewall are leaking. When inside the car do you smell steaming coolant(anti-freeze) or hear gurgling? The temp gauge that stays on is the overheat indicator?

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Dec 14, 2009 • 1998 Chevrolet Malibu
2helpful
1answer

What color of antifreez needs to go in my 2005 Pacifica?
Color of anti-freeze is generally green. You do not want to use windshield washer (blue) anti-freeze in the radiator.
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May 03, 2009 • 2005 Chrysler Pacifica
0helpful
1answer

Heating problem. help please
Hi,

It would seem that your overheated engine has warped the cylinder head and compression/pressure from the combustion chamber is adding to the pressure of the water/cooling system hence the spitting out. To verify, pls check your oil dipstick and see if the oil has turned to brownish milky color. If yes, then it calls for an engine overhaul, if not possibly air pockets inside engine water jackets.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

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Jun 16, 2008 • 1998 Nissan Sentra
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