Why is my toyota emina overheating?

could you help? my toyota emina is overheating at speeds over 60 mph.its not losing water and runs fine at speeds lower than 60. its not the thermostat or the fan. nor the water pump.and its not smoking
thankyou
sam, November 2006


done
The problem you got sounds like your head gasket or a cracked cylinder head. If you are short of cash you can keep your speed to 55, it should be ok for a while, but don't load the engine on hills. Hope this helps.

Mike day, November 2006
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