Disconnect the negative battery cable.
Drain the engine coolant.
Remove the drive belt.
Remove the windshield washer reservoir.
Remove the power steering pump.
Note: Remove the power steering pump without disconnecting the hoses and pipes.
After loosening the clamps, disconnect the bypass and lower thermostat hoses.
Remove the thermostat housing.
Install in the reverse order of removal.
Refill the engine coolant.
Check for coolant leaks.