1.8 engine running hot why? on 2001 Volkswagen Golf

new thermostat temp sensor, Top hose gets very hot but lower hose is cold and heater doesnt put hot air only cold.

by in Hixson, TN on February 11, 2014
1 answer
ANSWER by , February 11, 2014
Still has air in cooling system, cooling system is not full. Also could have a radiator issue.