Air bleed screw on heater hose
The screw is indicated by the arrow.
Air bleed screw on the bypass hose
The screw is indicated by the arrow.
The coolant replacement procedures are the same as for cars with gasoline engines, except for the following differences. The cooling system bleed screws are located in the heater hose on the engine compartment bulkhead and on the bypass hose from the thermostat. The bleed screw can also be installed in the upper left part of the radiator.