Where is the thermostat located in the 2002 Pontiac Montana?
first drain the coolant at the bottom drivers side rad follow the top rad hose on drivers side to the motor the housing it is clamped to is the thermostat housing remove the air intake tube & throttle body two bolts hold the housing in place remove them slid the hose and housing out when installing be sure the thermostat is seated or you will break the housing