WARNING: DO NOT REMOVE PRESSURE CAP WITH THE SYSTEM NOT AND UNDER PRESSURE BECAUSE SERIOUS BURNS FROM COOLANT CAN OCCUR.
Disconnect negative cable from remote jumper terminal.
Drain cooling system.
Raise vehicle on hoist.
Disconnect electrical connectors from engine oil and power steering pressure switches.
Disconnect radiator and heater hoses from thermostat housing.
Remove thermostat housing bolts.
Remove housing, thermostat, and gasket.
Clean gasket sealing surfaces.
Install thermostat and gasket into thermostat housing. For ease of installation, install bolts in housing for thermostat and gasket retention.
Install thermostat and housing to cylinder block. Tighten bolts to 12 Nm (105 inch lbs.).
Connect heater and radiator hoses and install hose clamps.
Connect electrical connectors to engine oil and power steering pressure switches.
Lower vehicle and connect negative cable to remote jumper terminal.
Refill cooling system.