Gmc head gasket??

Asked by Trayboy Nov 06, 2018 at 05:51 AM about the 2003 GMC Sierra 1500

Question type: Maintenance & Repair

I'm thinking of buying this GMC does the
appearance of the amount of water out of the tail
pipes tell you there's an engine problem with the
head gasket. He did say the engine light is on
thanks

1 Answer
157,475

Bob answered 5 years ago

All of them make moisture out the tail pipe as moisture is given off during the combustion process. A down and dirty redneck method of checking the tailpipe water for coolant is put a small drop on the tip of your finger and touch it to your tongue. If it tastes sweet it is coolant, if it tastes like nothing it is water. If it is coolant a head gasket or cracked cylinder head may be the problem. Also coolant will usually produce a thick white smoke at the exhaust. Warning do not ingest antifreeze it is poisonous, but a small dab on a finger won't hurt you. Also have the trouble code read at a local autoparts store. This is usually a free service, just don't buy anything based on their recommendation.

Mark helpful

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