Bronco II 4WD V6-171 2.8L (1985)
Thermostat: Service and Repair
Removal
1. Drain the cooling system so that the coolant level is below the thermostat as outlined.
2. Disconnect the healer return hose at the thermostat housing located on the left front lower side of engine.
CAUTION: DO NOT PRY TO REMOVE.
3. Remove the coolant outlet housing retaining bolts. Pull the elbow away from the cylinder head or manifold sufficiently to provide access to the
thermostat. Remove the thermostat and gasket.
Installation
1. Clean the coolant outlet housing and cylinder head and water pump gasket surfaces. Coat a new gasket with Perfect Seal Sealing Compound