Another blown head gasket? So back in August I replaced my head gasket due to overheating. The big giveaway was the overflow was filling up and spilling everywhere. So I replaced the head gasket and yesterday on my way home from work the ac turned hot and I looked at the temperature gauge and it was 3/4 the way up. I stopped and sure enough the overflow was spilling coolant out. I just replaced this head gasket 6k miles ago so why would it fail again? I torqued everything down in the correct sequences and to the correct amount. However I did NOT get the head machined but I checked my surface with my feeler gauges and everything was under .001 which lead to me believing the head was not warped. If it is the head gasket I will get the head machined no matter what this time. So my ultimate question is what do ya'll thing caused this again? I'm kind of leaning towards a warped head that I possibly didnt catch? |
Re: Another blown head gasket?
Originally Posted by Blackbusa
(Post 4752773)
However I did NOT get the head machined but I checked my surface with my feeler gauges Did you use an OEM Honda gasket? Did you fix what ever caused the engine to overheat in the first place? Bad fans, temp sensor, thermostat, etc |
Re: Another blown head gasket?
Originally Posted by Colin42
(Post 4752776)
Well that's problem one. Did you clean the head and block mating surfaces? How did you clean them? Were they the correct smoothness? Did you use an OEM Honda gasket? Did you fix what ever caused the engine to overheat in the first place? Bad fans, temp sensor, thermostat, etc The fans are kicking on, thermostat has been replaced, water pump was replaced 15k miles ago with new belt. I bought the car in June so I'm not totally sure what happened if it overheated on the previous owner or not. car only has 121k miles on it now. |
Re: Another blown head gasket? Did you use a Honda gasket? and now you've discovered why the got rid of the car |
Re: Another blown head gasket?
Originally Posted by Blackbusa
(Post 4752773)
ac turned hot Just saying maybe it’s not the head gasket.. |
Re: Another blown head gasket?
Originally Posted by Slumpertcivic
(Post 4752785)
That is usually a sign of a failed cooling fan or two or clogged/bent fins which would allow the engine to overheat and as that coolant exits the radiator it will boil till it cools down. Just saying maybe it’s not the head gasket.. I went ahead a pulled the head today and will be dropping it off at the machine shop Monday morning. I will call Honda Monday morning and pick up a OEM gasket set. I wanted to pull the head and get in machined just to rule out the possibility of a warped head. |
Re: Another blown head gasket?
Originally Posted by Colin42
(Post 4752781)
Did you use a Honda gasket? and now you've discovered why the got rid of the car |
Re: Another blown head gasket? There have been some posters here reporting alarmingly premature failures of aftermarket head gaskets. Did you actually prove a head gasket breach before pulling the head a second time? If the head actually measured flat I would not want it to be machined. Is the radiator cap good? Is the radiator neck burned from a severe overheat event (steam erosion), now it can't hold pressure because the cap doesn't seal correctly, so liquid ends up overfilling the reservoir? |
Re: Another blown head gasket?
Originally Posted by ezone
(Post 4752799)
There have been some posters here reporting alarmingly premature failures of aftermarket head gaskets. Did you actually prove a head gasket breach before pulling the head a second time? If the head actually measured flat I would not want it to be machined. Is the radiator cap good? Is the radiator neck burned from a severe overheat event (steam erosion), now it can't hold pressure because the cap doesn't seal correctly, so liquid ends up overfilling the reservoir? |
Re: Another blown head gasket? What are the odds of the block being warped? |
Re: Another blown head gasket?
Originally Posted by Blackbusa
(Post 4752802)
What are the odds of the block being warped? Warped? Close to zero IMO. I've seen many severe overheats over the years and not once witnessed a block casting problem resulting from it. Collapsed piston rings yes, warped head yes, but not warped block. However, I've seen a lot of damage caused by improper gasket removal procedures. |
Re: Another blown head gasket?
Originally Posted by ezone
(Post 4752803)
Did you measure it? Warped? Close to zero IMO. I've seen many severe overheats over the years and not once witnessed a block casting problem resulting from it. Collapsed piston rings yes, warped head yes, but not warped block. However, I've seen a lot of damage caused by improper gasket removal procedures. |
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