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If the motor will start and idle- let it warm up then carefully remove the radiator cap while the motor idles, if you see small bubbles coming to the surface in the radiator it is a blown head gasket. Replace gasket promptly it can do damage to the motor.

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Q: How do you know if the water you have in your oil on your 91 Chevrolet 1500 is from a blown head gasket or another source?
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Related questions

How much would it cost to fix a blown head gasket on a 1995 Chevrolet Camaro v6 3.4l?

$1000 $1000


Would there be water on top of both heads with only one head gasket blown on a 1995 Chevrolet Camaro?

You need to have a shop do a block test to truly determine if you do have a blown head gasket. If you do it is best to do both as they have the same amount of wear on them.


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No it will not. The only thing that will fix a blown head gasket is to replace the gasket.


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What is the cause of oil in water on 1997 Ford E250?

cracked heads or a blown head gasket can be the main source


02 Chevy Malibu cylinder misfire?

Bad plugs, or plug wires. Blown head gasket, or burnt valve. If you are loosing coolant with no apparent leak you may have a blown head gasket. Sweet smell at the exhaust is another sign of blown gasket. If none of that applies, replace the plugs and go from there.


Can a car still start with a blown head gasket or motor?

Sure it will start with a blown head gasket. But, if you continue to run this engine with a blown head gasket you will destroy the engine.


Why would a 1994 Chevrolet Beretta lose coolant and shake at about 60 mph?

Take it to a repair shop and have them do a block test to determine if you have a blown head gasket.


How do you know if it is a blown headgaskets?

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Would blown head gasket cause emission?

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