are u missing any water when it gets hot? if you are check if u see a leak. if no leak maybe it can be a head gasket.
__________________
HATE SPEED BUMPS
82 corolla convertible- junked
83 corolla wagon- sold
95 integra- traded
95 hardbody- traded
93 240sx- traded
95 hardbody- got it back and bagged it
80 corolla- sold
92 eg hatch D16Y7- dd