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What things other than a blown head gasket will cause traces of motor oil in coolant ?

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Radiator/if oil cooler built in ---intake gasket ---cracked block --cracked head

Posted on Jul 01, 2016

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Cracked block

Posted on Jun 30, 2016

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Cracked head, cracked block.

Posted on Jun 30, 2016

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Posted on Jan 02, 2017

Anonymous

SOURCE: 1999 Isuzu oil in coolant reservoir

If oil is geting in the coolant, you most likely have a leaking head gasket. there is one other item it could be if it has an automatic transmission, and that is the transmission cooler in the radiator, if the cooler is leaking it will allow transmission fluid to mix with the coolant.

Posted on Nov 26, 2008

Anonymous

  • 4 Answers

SOURCE: 2001 cadillac catera: oil in coolant?

The Problem, My friend, is a leaking oil cooler. this item is mounted, inside the engine, under the intake manifold. The cooler or the connections are bad. Coolant flows through the cooler, if it brakes then the oil will contaminate your coolant and make a mess.!! Have it checked. Must times is the seals at the pipe to cooler flange connector. will need new seals.. Hope this helps.

Posted on Jan 16, 2009

Anonymous

  • 362 Answers

SOURCE: Gasket is blown, water in my oil.

As long as the heads are not damaged from overheating repairing would be an option rather than replacing the engine. Get advise from a mechanic you trust. The intake manifold gaskets are the most common problem with this vehicle if you have the V6 engine.

Posted on Jan 30, 2009

66 chrgr

mike loshbough

  • 1011 Answers

SOURCE: OIL IN ANTIFREEZE

if this is dexcool antifreeze and it has never been flushed after time it will gum up and turn brown if this is the case have your coolant system power flushed I HAVE BEEN DOING THIS WORK FOR MANY YEARS AND HAVE YET TO SEE A 3.8 MOTOR HAVE A CRACKED BLOCK!

Posted on Mar 06, 2009

SOURCE: blown head gasket. will rebuilt .uch pressure on pistons and rings, causing failure

The conventional wisdom is that this is a possibility with high mileage engines. But the option of just rebuilding the head versus the entire engine would make the choice easy for me -- I'd rebuild the head... I would say the probability that a new head would damage the engine is kinda low.

Posted on May 10, 2009

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2 Answers

If the oil cap look milky do that mean the head gasket is blown?


No, it means water is somehow getting into the crankcase, maybe head gasket, maybe condensation from an open system. Before changing the head gasket check for an opening in the oil system.

Jan 31, 2018 | Cars & Trucks

2 Answers

1series 2005 bmw white smoke comes out of the tail


Either you have a head gasket problem or oil consumption problem

Sep 21, 2014 | Cars & Trucks

4 Answers

Can a blown head gasket cause a car to over heat


Hi, i will try and answer as best i can.YES because when there is a leak between the combustion chamber and water jacket, the compression pressure now fills the cooling system with hot air + because of the pressure in the coolant system the radiator has no flow through it, hense the engine will overheat
hope this helps a little

Aug 12, 2014 | 2004 Saab 9-3

1 Answer

Oil in coolant


Possibly a crack head or blown head gasket. Which allows the motor oil to mix in with your coolant fluid. You car will still run fine but not for long. Take the head apart and have a shop do pressure test on it. If bad, replace the head. Roughly $80.00 - $200 bucks used. If still good, look into the bottom block, maybe that's bad. But mostly it's a cracked head or blown head gasket. If just the blown head gasket, resurface the head and buy new head gasket and re install the head back. Good Luck.

Nov 11, 2013 | 1999 Honda CR-V

1 Answer

Milky oil dipstick, white exhaust smoke, coolant in spark plugs


*White milky oil on dipstick = coolant in oil.
*Coolant on sparkplugs = cracked head or blown head gasket
*White smoke = burning excessive oil in the cylinders, which can be caused by a number of things including valve seals, cracked head or blown head gasket.
***All three of these symptoms together, however, means its the head or head gasket. Both are costly but better the head gasket than the entire head.

Jan 18, 2012 | 2002 Buick LeSabre

1 Answer

1995 runner looses power up hills and coasting. am going to repair, need to lead mechanic to area to check. exhaust system or head gasket? also smell antifreeze after turning motor off.


sounds to me like a bad headgasket. if they are bad. you will loose power and it will leak if bad enough. have a good one ! pull out oil dipstick. if it is a foamy substance on stick, then you have a bad head gasket. Pressurized exhaust gas can be forced into the coolant system through a cracked head gasket. When this happens, oil particles from the engine will often be blown in with the gas, causing pollution of the coolant system. The result is visible traces of oil in the coolant tank.

May 14, 2011 | 1995 Toyota 4Runner

1 Answer

My mazda mpv 2001 coolant leaking somewhere. Filled it Saturday full line and is at low level monday afternoon.Where is it going? Van does not overheat


1. External Leaks
You need to get the vehicle to a mechanic to check all flexible coolant hoses, hose connections, around the exterior of the water pump and the entire radiator. To do properly the vehicle also needs to be on a hoist. If there is an external leak you should find coolant dripping from the front of the car while the engine is idling and the cooling system is fully pressurized. However it depends how bad the leak is and it's location.

2. Internal Leak

If coolant is leaking into the engine this is a serious problem and needs to be identified by a competent mechanic. For example, if you have a blown head gasket coolant will blow into the engine and contaminate the engine oil. If you check the oil in the engine's sump it should be completely free from coolant contamination.
You should also check the coolant in the radiator for any signs of oil contamination. If there is coolant in the oil then there will also likely be engine oil which has blown into the engines coolant passages and then mixed with the coolant.
IF you can find traces of coolant in your engine oil (or oil in the coolant) the likely problem will be a blown head gasket and the head on the engine will need to be removed and inspected .

Blown head gaskets are usually a result of an owner allowing the engine to overheat as a result of low coolant level, failed water pump or faulty thermostat. Overheating can also cause major damage to the head on the engine.

Jan 19, 2011 | 2004 Mazda MPV

3 Answers

White smoke


Dont like me to tell you this, but sounds like you have a blown head gasket.

Two choice:
1. Inspect the Head Gasket; Cause: head gasket leaking coolant into cylinders
2. inspect the Engine; Cause: Cracked block leaking coolant into cylinders.

Coolant is not a flammable liquid, therefore a lot of coolant in cylinder creates starting problem. You should check your engine and the coolant system for this issue.

The first thing you can do is check the oil dipstick - you're looking for a milky brown color as opposed to a dark brown (normal) color for oil - unless you've recently had an oil change - then it will be like honey. If you don't see any discoloration - I would then look around the the bottom of the area where the valve covers are located - the valve covers sit atop the heads and if you have a "blown" head gasket - you may see evidence of water/coolant seepage. You can also take the vehicle to a mechanic, who can do a simple test using air pressure to isolate a potential gasket issue.

Good luck (remember rated this post).

Feb 26, 2010 | 1988 Mazda B2200

2 Answers

I have oil in my engine coolant reservoir as well as my radiator and im not sure what caused this. is this something that can be fixed?


A head gasket leak (blown head gasket) is highly likely. ($200)

Check your oil dipstick If it contains a milky fluid, that is water mixed with the oil. A sure sign of a blown head gasket.

Other symptoms of a blown head gasket include:
1. White smoke and excess water dripping out the tailpipe.
2. Overheatinmg engine
3. With radiator cap off, steam and water will erupt, sometimes violently.

Whichever tailpipe has the smoke is the side that the blown head gasket is located.

... sorry ...

Sep 12, 2009 | 1999 GMC Yukon

2 Answers

97 Nisson pickup smoking white smoke (a lot)


this indicates that you have a blown head gasket. you may not have water in the oil pan but it's because the water is not leaking into your oil galleys,but instead leaking into the cylinders and being burned hence the white smoke.. there is a big myth that you will get water in the oil with a blown head gasket . there might be trace amounts but the only time you get water in the oil is if the heads crack or the block cracks othere wise most times it's just getting burnt in the cylinders,hence the great amount of white smoke. please rate this thanks.

Sep 28, 2008 | 1997 Nissan Pickup

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