Question about 1987 Cadillac Brougham

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The coolant temp.light came on while driving and started smoking (white smoke).it was low on coolant so i let cool and filled with water. I drove again and started smoking again and making a knocking noise.

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  • 4 Answers

Most likely a blown head gasket or got to hot and blew an o-ring

Posted on Apr 10, 2011

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My car has white smoke coming from the exhaust


he causes of white exhaust smoke can vary; however, it is common to see white exhaust smoke when first starting a car, especially on cooler days. This is generally steam caused by condensation. As the engine warms up and the condensation dissipates the white exhaust smoke (steam) is no longer seen. If excessive white exhaust smoke is present well after the engine warms up, it is necessary to have the car inspected for possible internal coolant leaks. Indicators of an internal coolant leak include billowing white exhaust smoke accompanied by a sweet odor or a low coolant reservoir level. An internal coolant leak can also contaminate the engine oil giving it a frothy, milky appearance. Even small amounts of coolant entering the combustion chamber will produce white exhaust smoke.
One of the main causes of white exhaust smoke and coolant loss is a cracked or warped cylinder head, a cracked engine block, or head gasket failure caused by overheating. A cracked head may allow coolant to leak into one or more cylinders or into the combustion chamber of the engine. Dirty coolant, a poorly maintained cooling system, a low coolant level, or a non-functioning cooling fan can cause engine overheating. In addition, engine wear can eventually cause the gaskets to lose their capacity to seal properly allowing internal coolant loss. Intake manifold gasket and head gasket failures are two of the most common sources of internal coolant loss caused by engine wear.
Never remove the radiator cap or coolant reservoir cap while the engine is hot or running as it can cause serious injury; always allow the car to cool down completely first. Checking for a low coolant level in the reservoir is the first step in determining if coolant loss is causing the white exhaust smoke. If the coolant reservoir is at the proper level but excessive white exhaust smoke is present, a cooling system pressure check is required to determine where, if any, coolant leaks are located.

Nov 17, 2016 | Cars & Trucks

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2006 nissan car bogging & white smoke coming from ehaust


check to see if you have a milky color in your oil if so you have a cracked block if not more than likely you have a bad head gasket

Feb 16, 2013 | 2002 Nissan Sentra

1 Answer

Why is my cadillac 4.5 engine smoking


What color smoke ? Blue = oil burning , black = too much fuel (rich) white = coolant - blown head gasket ,cracked head or block . White also could be caused fuel running through the engine , no combustion !
What Your Exhaust Smoke Is Trying To Tell You

Stuck Open Fuel Injector how to fix

Jun 13, 2017 | Cadillac DeVille Cars & Trucks

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WHITE SMOKE OUT OF EHAUST


White smoke is caused by engine coolant / antifreeze being processed in the combustion chamber(s) of the engine

Keep in mind that, on a cold day you may see what appears to be white smoke from the exhaust that will disappear after the vehicles engine has warmed up to it's normal operating temp.. This is a normal reaction called condensation... condensation is the result of a small amount of water/dew being drawn into the exhaust usually collecting in the muffler and/or the catalytic converter.

Hope helps.

Mar 20, 2011 | 2002 Nissan Sentra

1 Answer

2002 Malibu,V6, approx 120,000 miles. Air cond, heater & defrosters do not work. Couple of days ago, car overheated suddenly. Drove car after water was added to resevoir. Drove & temp spiked &...


white smoke usually means blown head gaskets,have radiator fan checked,water pump,check coolant for oil in coolant,could be blown in between cylinders,causing coolant to go out exhaust,have compression check done on cylinders.

Dec 31, 2010 | 2002 Chevrolet Malibu

1 Answer

1st issue. My car has suddenly started smoking, white smoke from the exhaust, did I overfill the oil or is it more sinister than that. I haven't lost power that i can notice. Will excess oil burn off like...


You might be looking at a head, or head gasket issue. White smoke is usually due to coolant mixing in your combustion chamber, or cylinder. Blue smoke is from oil. Your loss of coolant and high temperature might be the clue. A leak down test and coolant system pressure test should tell the tale for you.

Sep 01, 2010 | 1996 Hyundai Accent

1 Answer

White smoke


Sound most likely like a head gasket - Check your coolant level and if low it is possible that coolant is entering into the engine. I would not driving the vehicle as driving the engine would cause more damage.

Nov 23, 2008 | 1996 Ford Thunderbird LX

2 Answers

1993 Mercury Sable, white smoke, overheating


Good Day,

White some indicated that coolant is burning off. It could just be a simple leak which is burning off of the hot motor. It could also be a bad head gasket(probably what you don't wanna hear), One indication that it is the head gasket is white smoke coming out of the exhaust, this happens as coolant gets into the oil and is burned off then exhausted out the back. Possible causes for the overheating include, low coolant, coolant leak, thermostat, water pump and or water pump belt, or head gasket.

If I were you I would drain and flush the radiator, then fill it with new coolant, and change the thermostat, provided you have no white smoke coming out the exhaust.

hope this helps for now

Jul 05, 2008 | 1993 Mercury Sable

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