The most common way is from excessive heat like a bad thermostat or from low or no coolant. When a vehicle gets several hundred thousand miles on them age can also be a factor.
if you blow a head gasket from overheating you should have the head checked to make sure it isn't warped. especially if it's an aluminum head like most newer vehicles have.
the blown head gasket would make it over heat. but it wouldn't cause the heater to blow cold, it should actually blow hot if that is wat happened
Yes, but so would really worn valve stems or guides. Either case, you gotta take the head(s) off, then do both! Head gasket(s) and a valve job.
possible head gasket problems
Either a blown head gasket, or more specifically a cracked head due to overheating. This allows fuel to escape the cylinder into the cooling system.
Just like you would repair car engine was a blown head gasket. Take it apart and replaced the head gasket. Make sure and have the head checked for cracks and warpage.
Yes it would.
Are you getting white smoke from the exhaust even with the engine warmed up ? If so , you are getting engine coolant into an engine cylinder from a bad head gasket , a warped or cracked cylinder head
bad head gasket , warped head , etc.
A failed head gasket.
This would depend on the year and make of the truck. In general, an older truck would sell for 1500 dollars or so with a blown head gasket.
To make sure it is a match and therefore the correct gasket for the engine.
yes but if it is a blown head gasket it will make it miss and put steam and some water out the tell pipe if its not doing these things then check your anti knock sensor