Question about 1998 Oldsmobile 88

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3.8 L Olds loosing antifreeze,not leaking and not in oil,any thoughts??? this engine was over heated once.

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  • its420_us May 11, 2010

    Do you smell antifreeze inside of your car?

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These motors are know for bad intake gaskets

Posted on Oct 06, 2012

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Anytime you over heat a engine you have caused some sort of damage to the engine weather it be egg shaping the cylinder's or damaging a gasket on the 3.8 it is known to have the seal broken on the intake causing the antifreeze to burn off through the cylinder's job cost is around 700.00 to fix

Posted on Jun 26, 2009

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Blowing out the exhaust. Look for white smoke.

Posted on May 14, 2009

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1 Answer

2003 PONTIAC GRAND AM GT, ENGINE RAN HOT,TURNED CAR OFF,FOUND RADIATOR RESERVOIR CAP LOOSE, THOUGHT MAYBE ANTIFREEZE LEAKED OUT FROM THERE. FILLED RESERVOIR BACK UP, CHANGED OIL AND FILTER NO EVIDENCE OF...


you have most likely blown a head gasket. need to have it inspected and dye tested to make sure. if it is the head gaskets make sure the head is inspected for a crack. hope this helps

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1999 Olds Alero 4 cyl running hotter than normal. One mechanic says it's Heat sensor that opens and closes. The other mechanic who ran car says it was thermostat that turns on dual fans. Ok well one was...


REPLACE THERMOSTAT.ITS STICKING CLOSE TO KEEP COOLANT FROM CIRCULATING THROUGH ENGINE AND RADIATOR. THE FANS SHOULD COME ON WHEN VECHICLE SETTING AT A LONG IDLE.THE COOLANT TEMPERATURE SENSOR GET TO CERTAIN TEMPERATURE WHICH WILL COMPLETE CIRCUIT PCM SEND POWER TO COOLANT SENSOR THEN TO COOLANT FANS RELAYS AND FANS.IF VECHICLE OVER HEATING WHILE MOVING THERMOSTAT FAULTY.IF YOU TURN AC AND COOLANT FANS DONT RUN CHECK COOLANT FANS FUSE AND RELAY.IF COOLING FANS DONT TURN ON WITH AIR CONDITIONER ON EITHER COOLANT TEMPERATURE SENSOR FAULTY OR PCM FAULTY.IF ALL LOOKS GOOD.IF ENGINE OIL LOOKS LIKE MILK SHAKE.YOU HAVE BLOWN HEAD GASKET.

Nov 11, 2010 | 1999 Oldsmobile Alero

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Car smokes in front when started then goes away


Blown head gaskets cause this symptom.
Also, oil leakage on to the hot parts of your engine can cause this problem.

The smoke can be either antifreeze or oil that accumulated in a plenum or low spot that gets hot when you start your engine.


Jul 08, 2010 | 2000 Buick Park Avenue

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My van is leaking antifreeze for the botton of the car isee it dripping off the transmission pan it is over heating and i loosing a lot of antifreeze


you may have blown a manifold gasket. check oil and see if it is milky looking. Does oil pressure light come on? If so the gasket is blown. I had a leak once and it was ths gasket, but none was leaking into oil, just out onto the engine near the intake manifold. You may also have a corroded freeze plug. If you live up north and get a lot of snow and road salt, this could really be the issue. They are not easy to change on front wheel drive engines. Sorry. Have a great 4th of July.

May 21, 2010 | 2000 Chevrolet Venture

1 Answer

What causes oil to get in antifreeze


Driving the truck without a thermostat won't necessarily hurt the engine. It will take longer to get heat and it will be sporadic because the coolant is always circulating. Oil in antifreeze could come from 2 places, transmission cooler in rad if you have an automatic. The lines inside will occasionally start leaking. The other is from the engine, usually a head gasket leaking. My suspicion is that you have a leaking head gasket. This would explain the over heating with oil in the coolant. Take it in and get a pressure test on the rad or a compression test on the engine. This should confirm or eliminate the head gasket. Hope this helps.

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2 Answers

1999 Gr Jeep Cherokee-antifreeze issue


how often does the warning comes on doing the week or in two weeks? if it was a one time thing or this takes place every 3-5 months i wouldn't worry about it. i will make sure that the radiator cap is on tight. you said that all hose seem to be in good condition i would check the radiator where the cooling fan covers the fins and the water pump because it has a warn hole at the base that will seep out antifreeze when the inside seals are going bad these will cause the smell also.

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1 Answer

Antifreeze leak


engine coolant sensor, unscrewed it with an open end wrench but make sure engine is cold you will loose antifreeze but its ok you can add back when you replace sensor. have a nice day put 50-50 antifreeze

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1995 HONDA CIVIC HEAD GASKET


A few tell tail Signs to look for are
1. Excessive Pressure in radiator and car over heats
2. Look under oil cap when antifreeze and oil mixes it becomes a cream-ish white like heavy cream almost. It may be under there.
3. White smoke all the time out the tail pipe
4.loosing antifreeze but there is no visible leak.
5. Antifreeze in oil or oil in antifreeze.

Dec 10, 2008 | 1995 Honda Civic

1 Answer

The engine is over heating


are you loosing antifreeze and then overheating
these cars had intake gasket problems and would leak antifreeze into the intake and some times into the oil.

Sep 10, 2008 | 1996 Oldsmobile Cutlass Ciera

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