Ranger 2WD V6-245 4.0L VIN X SFI (1997)
Thermostat: Service and Repair
REMOVAL
1. Drain the cooling system so that the coolant level is below the water thermostat.
CAUTION: Do not pry on water thermostat to remove.
2. Remove upper radiator hose.
3. Remove the coolant outlet housing retaining bolts. Pull the elbow: away from the cylinder head or manifold sufficiently to provide access to the
water thermostat. Remove the water thermostat and gasket.
