No HEATER in Cabin and temp gauge is in cold now Engine overheats on 1995 Volkswagen Golf

Installed NEW H2o pump, Tstat, engine coolant n fan sensor/switch, Now engine overheats (temp gauge over 230deg). Still have no Heater in cabin at full blast... Need help thanks in advance!!!

Asked by for the 1995 Volkswagen Golf
1 answer
You are not full of coolant, pull a hose off and fill the hose to the block, then finish filling.