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Oil in water. have had cooler tested at radiator

Oil in water. have had cooler tested at radiator repair shop no leaks. does cooler have hot, eg heat in oven.

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Its either a blown head gasket or a cracked head

Posted on Sep 03, 2010

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Posted on Jan 02, 2017

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2 Answers

Why is there oil in my coolant resevoir,head gasket leak?


Sounds like a warped head take to a mechanic have a compression test done. DO NOT USE ANY GASKET SEALER

Oct 01, 2016 | 1990 Mercedes-Benz E-Class

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My car 97 ford expedition got overheated and when the water tank was open there was oil and hot air wasnt coming out of the heater. why can this happen?


the transmission cooler inn the radiator may be faulty allowing the oil into the coolant. Remove the radiator and have it tested . The fix if that is the case is a new radiator. You will have to have the coolant system professionally flushed by the radiator shop to get all the oil out of the motor.

Jan 06, 2014 | Cars & Trucks

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Radiator and water container


If you have a auto it may be transmission oil from the oil cooler in the radiator. Having changed the radiator may have removed the original fault but there would be still ,oil in the coolant system that is still coming out. Have the system professionally flushed by a reputable radiator shop and then have the cooler tested in the radiator.

Dec 01, 2013 | 1999 Ford Expedition

1 Answer

My 1983 ford ranger 2.8 litre has oil in the water but no water in the oil


Check your oil cooler lines, they have possibly leaked into the radiator and got into the coolant. I would check the flanges of the cooler lines that go into the radiator. If you don't find a leak anywhere then your head gasket is blown and you'll eventually see water in your oil. A leak down test will confirm the status of your head gasket.

Nov 22, 2012 | 1983 Ford Ranger

2 Answers

Radiator is leaking, on the drivers side of car. 2002 Chevy Avalanche, 4 wheel drive trcuk. One owner, 106000 miles on it.


Removal & Installation To Remove:
WARNING
To avoid being burned, do not remove the radiator cap or surge tank cap while the engine is on or is still hot. The cooling system will release scalding fluid and steam under pressure if radiator cap or surge tank cap is removed while the engine and radiator are still hot.
CAUTION
If the vehicle's coolant is low, drained out, or has repeatedly needed coolant or water added to the system, then the system should be completely flushed.
  1. Before servicing the vehicle refer to the precautions at the beginning of this section.
  2. Drain the cooling system.
  3. Remove or disconnect the following:
    • Inlet hose from the radiator
    • Radiator outlet hose from the radiator
    • Lower fan shroud
    • Surge tank hose
    • Vent inlet hose from the radiator
    • Surge tank hose
    • Engine oil cooler lines from the radiator
    • Transmission oil cooler lines from the radiator Remove the radiator chevy_sub25_02-04_rad_rem.gif

    • Radiator bolts
    • Radiator from the vehicle
To Install:
  1. Install or connect the following:
    • Radiator to the vehicle
    • Radiator bolts and tighten the bolts, Torque to: 18 ft-lbs (25 Nm)
    • Engine oil cooler lines to the radiator
    • Transmission oil cooler lines to the radiator
    • Radiator vent inlet hose to the radiator
    • Lower fan shroud
    • Outlet hose to the radiator
    • Inlet hose to the radiator
  2. Fill the cooling system.
  3. Test drive the vehicle to confirm the repairs.
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Jul 21, 2010 | 2002 Chevrolet Avalanche

1 Answer

My 1998 keeps overheating b/c the fan does not come on. I went to my "new" mechanic and he said that my oil cooler sends water to keep my oil from becoming too hot. He said he found oil in my radiator and...


Ok pull your dip stick out and look for white spots on it. When you get water in your oil it gets milk looking. try it get a cup of used oil or new. and mix a cup of water in it. you can tell and if you got a little oil in your raditor what do you think water pump lube is??? i would go to aldata.com and buy a one year term for my car and stop trusting every auto repair shop read and test for your self. you can do it my sister does all her own auto work.

Aug 08, 2009 | Volkswagen Beetle Cars & Trucks

3 Answers

Why is the transsmition oil and water are mix together


The Transmission oil passes through the radiator to keep it cool , If the pipes inside the radiator are damaged then water can enter into the trans lines causing the problem you are having.
Get the radiator checked and repaired/replaced...
Also get the Trans fluid changed as water can damage the trans internals.
Hope this helps.

Jul 21, 2009 | 2000 Volvo S80

3 Answers

Oil in water resovour vw 2002 passat


This is probably a head gasket problem and not an oil cooler problem.

The oil cooler is fairly easy to test.

Remove the cooler from the engine but do not disconnect cooling lines and then pressurize the cooling system. You can use a radiator test tool to put pressure on the cooling system and look for leaks. If it leaks, replace it.

You may also be able to bypass the oil cooler altogether if it leaks.

The head gasket is another story.

Get a 1/4" pipe to spark plug fitting and put a male air coupling fitting in it.

Then you can charge the cylinders with air from your compressor.

Make sure each cylinder that you test is at top dead center so that the valves are closed.

If air bubbles into your coolant, you found your problem.

If air leaks out your intake you have a bad intake valve

If air leaks out your exhaust you have a bad exhaust valve etc.


If you find this useful, please take the time to rate it.

Tim

Apr 15, 2009 | Volkswagen Passat Cars & Trucks

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