Where is the thermostat located on a 1994 Pontiac Grand Prix 3.1L?
The thermostat on a 1994 Pontiac Grand Prix 3.1L is located on the engine block, at the front of the vehicle. It is secured to the coolant intake manifold with two bolts and is surrounded by a black housing. The thermostat can be accessed by removing the top radiator hose and the two bolts that secure it to the intake manifold.