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Bypass oil cooler

Oil is leaking into cooling system

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2 Answers

Oil and water mixing 2004 m benz c200engine oil in


unlikely to be engine oil, more likely transmission oil from faulty transmission oil cooler in radiator tank
take it in for a proper diagnosis and quote
the coolant system will have to be properly and completely flushed

Oct 24, 2016 | 2004 Mercedes-Benz C-Class

1 Answer

How can I bypass the OEM internal engine oil cooler with an external aftermarket oil cooler on a 2001 Saturn L300 3.0LV6?


Can you pipe the hot oil out to the after-market cooler, let it work, and pipe the cooled oil back in? You're not giving the internal cooler any "work" to do, but who cares, since the goal is to cool the oil.

Oct 24, 2014 | Cars & Trucks

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Oil cooling system


The oil cooler can be bypassed, just hook the hoses together if you want.

Nov 14, 2013 | 1996 Ford Crown Victoria

1 Answer

1999 dodge durango transmission has water inside


If transmission oil cooler is leaking, engine coolant may enter cooler, or transmission oil may enter engine cooling system. Both engine cooling system and transmission oil circuit should be drained, flushed, and inspected.

Sep 29, 2013 | 1999 Dodge Durango

1 Answer

Oil in the cooling system


oil in the cooling system comes from a transmission oil cooler in the radiator leaking. I take it that you have an automatic transmission Normally if you have a gasket problem the water would be in the sump oil. You will need to replace the radiator to effectively fix the problem and as a side suggestion consider an air cooled transmission oil cooler for the transmission oil as it helps the car to run cooler and keeps the transmission oil cooler and extends the life of the transmission.

Sep 11, 2013 | Cars & Trucks

1 Answer

1985 vw cabriolet there is oil in the coolant resivior and in there none in the motor is there a valve that is not working or is the head warped


Not uncoomon. If you look where the oil filter is in the front of the motor by the radiator. Where the oil filter screws onto is the oil cooler and has coolant passing around it in a jacket. The oil pressure is greater than that of the cooling system pressure. Replace that cooler and flush the cooling system. This should cure it.

Print


REMOVAL & INSTALLATION


  1. Disconnect the negative battery cable.
  2. Remove the thermostat to drain the cooling system.
  3. Remove the oil filter.
  4. Disconnect the hoses from the cooler.
  5. Remove the nut holding the cooler to the oil filter base and remove the cooler.

To install:
  1. Position the oil cooler, then connect the coolant hoses. Tighten the nut to 18 ft. lbs. (25 Nm).
  2. Install the oil filter and the thermostat.
  3. Fill the cooling system and connect the negative battery cable. Start the engine, allow it to warm up check for coolant leaks.
31liwy-v8nl._sl500_aa300_.jpgthese run about $50

May 06, 2011 | 1985 Volkswagen Cabriolet

3 Answers

Oil in coolant . oil cooler bad but which one


Oil generally will get into the coolant due to a headgasket leaking, or a cracked head.

You'll need to pressurize both systems (OIl & Cooling) to try & determine where the leak is coming from. .

Antifreeze in the oil can cause the pistons to sieze in the cylinders and if you've got oil in the anti-freeze, you more than likely have anti-freeze in the oil, or soon will.

Good luck.

Feb 18, 2010 | 1999 Saab 9-5

1 Answer

My car is a volkswagen passat diesel .there is oil in the coolant i was first told the head gasket had blowen. i have also been told it could be the oil cooler. the car is not over heating in fact the...


There is a very easy way to check the oil cooler for leaks.

Do this with the engine cool and be prepared to catch some coolant in a pan.

Remove the 2 coolant hoses from the oil cooler and attach them together using a 5/8 inch straight heater hose connector. You are bypassing the oil cooler temporarily. Wipe the oil cooler clean so you can clearly see any leaks develop.

Now run the engine and watch the oil cooler pipes (the ones you just removed the hoses from) carefully. If you begin to see oil seeping from the cooler pipes you've found your problem.

This might take a while to see so be patient and let the car run for at least 15 mins or more.

Don't worry about the cooler being disconnected while the car is running, but I do recommend reconnecting the cooler if you have to drive it even if you find it to be leaking.

If it is found to be leaking, you will need to replace the part and have your coolant flushed out properly to remove as much of the oil as possible from the system. Also change the engine oil at the same time, it is possible that coolant has gotten into the oil although it may not be obvious.

Good luck.

Jan 31, 2010 | 2001 Volkswagen Passat

1 Answer

Antifreeze leaking near oil filter there are 2 pipes coming from there that are metal. one has rusted now leaking.What are these pipes for.


That is probably the oil cooler, coolant goes through part of it and oil goes through another part of it. It helps cool the engine oil. You could bypass it until you get another.

Jan 10, 2010 | 2002 Chrysler Town & Country

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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