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Engine is overheating and I believe I can taste antifreeze in the engine oil we drained. We only drained a small amount.

We are thinking of buying this old car. It was an abandoned car in the city that they sent to a junk dealer. Someone bought it and then decided not to fix it. So we really have no history except that the fellow who bought it drove it around his yard and it started to overheat. He hasn't ran it since. He took the radiator off and it seems good. Yesterday we drained a little oil out of the drain plug and it seems there is a faint sweetness in the oil left on the edge of the container where the oil had ran down it's edge. The oil has some whitish and grayish swirls in the approx. 3/4 cup of oil we drained. Calvin

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One way to test for sure if there is antifreeze in your oil (and avoiding ingesting poisonous ethylene gylcol) is by placing a drop of oil on a hot exhaust manifold. If it boils, there is a antifreeze leak. Similarly, if you can light the oil on fire with a hand lighter, there is a gas leak as well. If you find antifreeze, you can try using a florescent dye to track the leak to its source.

Posted on Feb 14, 2014

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SOURCE: Brand new 08 Ford Sport Trac (2 hr old) - won't start

Sounds like the battery may be bad. You could remove it and take it to a mechanic or parts store and have them test it for you. Mechanic might charge you 15bucks or so. Most parts stores will test it for free and gladly sell you a new one.

Posted on Jan 02, 2009

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SOURCE: overheating

Hey there..my name is Keith...and these new cars from the 90's up..dont like Stop-Leak..and it stops them up and compounds the problem..they arent like the radiators of yesture-year..so i would replace the radiator..plus the 90's up models dont like to be over heated ..and it may have blew a head gasket..i know this isnt good news..but its sound..and if you have any other questions..please ask me

Posted on Jun 29, 2009

snafu86
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SOURCE: i have the same exact problem and 2003 4cyl.and same year car....

You may have had an air pocket in the system. What I would when you get part,is to run at idle with radiator cap off and let warm up from cold start. With heater setting on so as coolant can flow through that part of system. Of course keep eye on temp as it warms up. This can take a while as fans won't come on till thermostat is opening. check hoses as it warms. when hoses get "hot to touch" both upper and lower , put cap on and make sure overflow bottle is filled to its level.If it all seems to be going well then i would let fans cycle for 2 may be 3 time before test drive.

Posted on Jul 22, 2009

  • 4 Answers

SOURCE: Accidentally added antifreeze to oil instead of

since it was such a small amount of anti freeze and water,anti freeze has a petrolem base and water would have sunk to the bottom of oil pan, change oil and filter and you should be ok

Posted on Mar 02, 2010

  • 4977 Answers

SOURCE: I have a 2002 hundai

the sweet smell is the motor burning off the residual coolant on the components that got sprayed with coolant.if the car got overheated enough it may have damaged the head gasket and is now burning oil due to the over heating.or there is a mechanical problem due to the overheating(ring problem,valve problem,etc.)if its burning oil then it can cause an 02 problem as the sensor will get coated with what ever is coming out of the exhaust.the heat sensor is part of the 02 sensor that warms the sensor up so the computer will go into closed loop sooner and help with fuel mileage.

Posted on Apr 05, 2011

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Pretty much same answer as I gave for 87 Reliant see below. Shops have equipment to do cylinder leakage test. Do basic stuff below before doing last test ...cylinder leakage...which costs $$$.

Main point you are losing antifreeze/water. Check to see if you have water on the dipstick mixed in with oil. If so...probably a head gasket. If oil looks normal..... Before you do any test, tighten every hose connection. Check for loose connection into antifreeze reservoir. Sometimes there are small cracks on top which lets out pressure from cooling system. Look for leaks on water pump and radiator. Look at spot where you park the car...any liquid on floor? Not sure?..Put piece of cardboard under car to see if liquid is dripping from car. No leaks?...Start with a pressure test of the system. The pressure test is simply equipment that replace the radiator cap, a hand pump connected to it then air is pumped into cooling system. You watch the gauge to see if pressure is dropping. If pressure does not drop ..problem is most like a worn radiator pressure cap or stuck thermostat.. Do not buy the kind with button on cap to push down and release pressure. get original type and correct pressure. If overheating still, thermostat could be stuck, replace. Overheating of engine causes vapor lock, bubbles in fuel, which causes car to stall and kill. When cools off, fuel cools down and fuel will flow through fuel system again. Large amount of oil disappearing with overheating also sounds like head gasket or cracked head....Tighten up all bolts to gaskets, look for oil leaks on garage floor or driveway. If engine has developed a miss when running, pull plugs out and look for wet fouled plug. If antifreeze leaking into cylinder...plug tip will be whitish, if oil leaking into cylinder, grimey oil fouled. Do compression test on cylinder that is fouled and that will pinpoint if bad head gasket or cracked head. When doing compression test, radiator cap is removed and you listen to hear bubbles in radiator from the cylinder leaking into cooling system. 87 Reliant not worth pulling engine apart if head gasket or cracked head. Best oil treatment to reduce oil consumption is "Engine Restore" Used on my 58 Impala 348 tri power for 28 years. If I did not add it after oil changes it used oil and smoked....I swear by it for ANY engine after 100,000 miles.

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If white smoke is present, check to see if the proper amount of antifreeze is inside the radiator and the overflow bottle. Also check to see if antifreeze has contaminated the engine oil. You can look at the engine oil dipstick, or look at the under side of the engine oil filler cap. If the oil is contaminated with antifreeze, it will have the appearance of a chocolate milkshake. Do not start the engine if the oil is contaminated with antifreeze, as serious internal engine damage can result.

How did antifreeze get in the oil or cylinder in the first place? The engine probably overheated and a head gasket failed due to excessive heat, thus allowing antifreeze to enter the cylinder (Where it is not meant to be).

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If white smoke is present, check to see if the proper amount of antifreeze is inside the radiator and the overflow bottle. Also check to see if antifreeze has contaminated the engine oil. You can look at the engine oil dipstick, or look at the under side of the engine oil filler cap. If the oil is contaminated with antifreeze, it will have the appearance of a chocolate milkshake. Do not start the engine if the oil is contaminated with antifreeze, as serious internal engine damage can result.


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