For thermostat replacement step by step instructions with pics-
http://www.pfyc.com/supportfiles/tstat/tstat.htm
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To change the thermostat on a 1992 Pontiac Grand Am with a 3.3-liter engine, first, ensure the engine is cool and disconnect the negative battery cable. Drain the coolant from the radiator, then remove the upper radiator hose from the thermostat housing. Unbolt the thermostat housing, replace the old thermostat with a new one (noting the correct orientation), and reassemble by reversing the steps. Finally, refill the coolant, reconnect the battery, and check for leaks.
To replace the thermostat on a 2001 Pontiac Aztek, first, ensure the engine is cool and disconnect the negative battery terminal. Then, drain the coolant from the radiator and remove the upper radiator hose connected to the thermostat housing. Unbolt the thermostat housing to access the thermostat, replace it with a new one, and reassemble everything by reversing the disassembly steps, ensuring to refill the coolant and check for leaks afterward.
To replace the thermostat on a 1996 Pontiac Transport, first, ensure the engine is cool and disconnect the negative battery cable. Drain the coolant from the radiator, then remove the upper radiator hose attached to the thermostat housing. Unbolt the thermostat housing to access the thermostat, replace it with a new unit, and reassemble by reversing the disassembly steps, ensuring to refill the coolant and check for leaks.
To change the thermostat in a 2002 Pontiac Aztek, first ensure the engine is cool and disconnect the negative battery terminal. Drain the coolant from the radiator, then remove the upper radiator hose connected to the thermostat housing. Unbolt the thermostat housing to access the thermostat, replace it with a new one, and reassemble by reversing the steps. Finally, refill the coolant and check for leaks.
To replace an electric water heater thermostat, follow these steps: Turn off the power to the water heater at the circuit breaker. Remove the access panel to expose the thermostat. Disconnect the wires from the thermostat. Remove the old thermostat and replace it with a new one. Reconnect the wires to the new thermostat. Replace the access panel and turn the power back on. Test the water heater to ensure it is working properly.
To change the thermostat on a 1994 Pontiac Bonneville, first, ensure the engine is cool and then disconnect the negative battery cable. Drain the coolant from the radiator, remove the upper radiator hose, and unbolt the thermostat housing to access the thermostat. Replace the old thermostat with a new one, ensuring the gasket is in place, then reassemble by reversing the steps. Finally, refill the coolant and check for leaks.
To change the thermostat in a 1996 2.4-liter Grand Am GT, first, ensure the engine is cool and disconnect the negative battery cable. Drain the coolant from the radiator, then remove the upper radiator hose connected to the thermostat housing. Unbolt the thermostat housing, replace the old thermostat with a new one (ensuring the correct orientation), and reassemble by reversing the steps. Finally, refill the coolant and check for leaks before reconnecting the battery.
To replace the thermostat on a 1999 Chevrolet Lumina, first, ensure the engine is cool and disconnect the battery. Drain the coolant from the radiator, then remove the upper radiator hose connected to the thermostat housing. Unbolt the thermostat housing to access the thermostat, replace it with a new one, and reassemble by reversing the steps. Finally, refill the coolant and check for leaks.
To replace the thermostat on a 2001 VR6 Jetta, first ensure the engine is cool and disconnect the battery. Drain the coolant and remove the upper radiator hose from the thermostat housing. Unbolt the thermostat housing to access the thermostat, replace it with a new unit, and reassemble everything by reversing the steps. Finally, refill the coolant and check for leaks.
To fix a thermostat that is not working properly, you can try replacing the batteries, checking the wiring connections, cleaning the thermostat, and recalibrating it if necessary. If these steps do not resolve the issue, you may need to replace the thermostat altogether.
it is very hard to do, and too many steps to put on here, but you can go to autozone or kragens and get a haynes repair manual for $15. The repair manual has step by step on how too with illustrations
To replace the thermostat on a 2005 Nissan Frontier, first, ensure the engine is cool and disconnect the negative battery cable. Drain the coolant and remove the upper radiator hose from the thermostat housing. Unbolt the thermostat housing, replace the old thermostat with a new one, ensuring the gasket is in place, and reassemble by reversing the steps. Finally, refill the coolant and check for leaks.