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When I check water at my car's radiator, I found a small amount of oil mixed with the water. What's going on with my car?

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Issue with Head Gasket... Refer To Certified Garage For Head Gasket Change

Posted on Oct 07, 2010

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2 Answers

My 1Rz engine has oil in the radiator mixes with water but not water mixed with oil in the sump and its not overheating its running fine


toyota engine ...typicaly hilux Efi

inlet manifold gasket blown
corroded water jackets on the inlet side

if found to be sound
wont be long before the oil will mix with the sump
try re torque the head bolts as a stop gap
head warped or blown across water jackets of the block
and not the oil jackets yet



toyota_1rz_20_efi_hiace-ldszvhuomwkbtubxskurqnxk-1-1.jpg

Apr 06, 2017 | Cars & Trucks

1 Answer

Oil and water mixing together


Blown head gasket or cracked intake manifold or bad intake manifold gasket.

Jan 17, 2013 | Cars & Trucks

2 Answers

Hi, i have automatic passat 1999 model and recently water happens to get into the gear box and it control board, i experiences a boom sound anytime the gear is changed, the oil has been changed by the...


If no external leak and the transmission fluid colour looks white, the problem belongs to the automatic gearbox oil cooler. The oil cooler has broke mixing the gearbox oil and coolant causing this milkshake. It's a small radiator core type oil / water heat exchanger. It is cracked inside and transmission oil is mixed with engine coolant. Because the transmission oil pressure is greater than engine coolant pressure, the transmission fluid level drops. See also the coolant colour inside recovery coolant reservoir inder bonnet! It could be like this:

tdisline_495.jpg
The automatic gearbox oil cooler type oil / water heat exchanger (oil cooler):

tdisline_496.jpg
In the picture above the transmission oil pan was removed for oil filter replacement.

May 05, 2011 | 1999 Volkswagen Passat

1 Answer

Radiator had a small leak now i found water and oil mixed on the dip stick


Sounds like you may have a blown head gasket, compression from the cylinder where the head gasket has blown is getting into the cooling system, excessively pressurizing the cooling system, causing the radiator to leak.

Nov 04, 2010 | 1993 Toyota Pickup

4 Answers

There is oil in the radiator


could becoming from ur oil cooler lines that go into rad,,,could have internal crack in rad,,,pull dip stick out & ck to see if motor oil is low or a grayish color,,if ok ck trans fluid to see if is low,,have to find out what kind of oil residua is in the over flow jug

May 08, 2010 | 1998 Chevrolet Astro

1 Answer

Keep loosing coolet no leaksfound


You only have a few options here:

Coolant either leaks out, evaporates, or is exhausted through the engine. Check your oil & see if you notice any coolant mixed in, indicating internal seal issues. Also, you can have a small amount of coolant drawn into the engine cylinder & exhausted as steam or vapor and never notice. If only a small amount and no noticeable engine problems, evaporation. Engine miss sometimes & refilling anti-freeze often is an internal leak, generally the Head Gasket. Very rarely, a transmission (automatic only) has been found with antifreeze in it due to a leak in the radiator/transmission cooling system. Good Luck.

Jan 26, 2010 | 2003 Chevrolet Suburban

2 Answers

I have a small amount of oil and water (mayonnaise) in my air filter and car feels sluggish and doesn't start properly


oil is mixing with coolant then only it can happen , replace oil cooler cause oil cooler it is mixing, ,and clean all hose radiator for sludge free.

Jan 21, 2010 | 2001 Ford Focus

1 Answer

1999 tahoe 5.7L has a problem. Water mixed with engine oil.


If it was not overheated real bad the intake gaskets are a big problem on those engines

Nov 04, 2009 | Chevrolet Tahoe Cars & Trucks

4 Answers

Engine oil dipstick shows water and rust mixed in with oil


Everyone always jumps to head gaskets. There are plenty of MINOR things that can be looked at first.
The Volvo 2.3, 2.4, 2.5 Inline 5 Cylinder dipstick tube is known to develop a large amount of condensationin winter months and stop and go driving. What you see on your dip stick is possibly just condensation. Take off your oil cap and look under the cap and inside the valve cover. Is there any thick foamy oatmeal like substance or noticeable amounts of water? If your oil was saturated with coolant, you would be able to see it up there too. Check your coolant for oil. Volvo coolant is typically brown to orange, however make sure there is no sludge. Start the car with the cap off and keep an eye out for alot of bubbles. A large amount of bubbles is a sign of a bad head gasket. A couple here and there is just air in your cooling system.
Coolant, Transmission fluid, and Oil have several places they can mix. If you have a turbocharged Volvo, the seals in the turbo can go bad and cause a mix of oil and coolant. Your transmission cooler is also in your radiator, and if it cracks your transmission fluid and coolant can mix. I believe turbo models have an oil cooler built into the radiator as well.
Overall if your car sounds fine, you dont see oatmeal, your not using coolant and oil in excessive amounts, dont have white smoke, and your turbo isnt whining you probably just have condensation in your dip stick. If you are overly concerned you can send a sample of your oil to a lab and have it tested for traces of coolant. Headgaskets rarely fail on Volvo's, even the old ones....I have seen many that have gone to replace them have not found a failed gasket and end up finding a bad transmission cooler or a bad turbo.

May 09, 2009 | 1999 Volvo S70

3 Answers

1999 plymouth voyager water in trani fluid


your radiator has another little radiator inside the main radiator this is called transmission cooler seems to be than the cooler has a hole or is broken the main reason for this to happend is becasue the antifreeze or coolant is not been serviced at least every 50k miles or when you mix wo diferent coolants like diferent colors they get contaminated and create acids and start corrosion in the coolant system have the radiator replaced and flush the cooling system wiht lost of water then add only the designated antifreeze on greeen coolant 50/50 mix they sell it allready mix but if you but the one is not mix mix it with 50/50 coolant and destilated water but i recomend to buy 50/50/ green coolant

May 23, 2008 | 1999 Plymouth Voyager

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