salam to all.
friends mary pass Chevrolet joy gare hai .wo br br heatup ho k bnd ho jate hai .main ne gasket cange krvaye hai per ab pani to kum ni krte per heatup ho jate hai .agr speed main chalaun to jaldi hot jate hai agr 40 tk rhn to phr ni hte .KInldy help me out.