HELP LEAK From driver side

[lilanarchy]

i have 1991 ford Explorer

When i replace the thermostat, i did burp out, the temp still saying cold and hit N and back down... and when i stop the stop sign the smoke came out under hood... its white and i could not find where it came out and its shoots out from somewhere and left the coolant under the hood and top of Pvc and intake on driver side and its bother me so much i need know where i can look at

thanks

 

[cogs]

look at the heater valve (black plastic) near the passenger side firewall. also, the top radiator hose - look for hole. check clamps are tight on hoses