If it's similar to the '99 that I'm working on, this may help. I followed the upper (large) hose from the radiator back to the block. After clearing cables I saw an imprinted message on the housing that read 'Thermostat is located near water pump'. I got the car on ramps, crawled under, and followed the lower radiator hose back, and I can see the thermostat in between the block and the transaxle. It's about 8 inches up, & it looks like I need to get to it from the top, but it's under the exhaust and exhaust shield. I can't see it from the top yet, will update when I find more...
A lack of water in your cooling system will cause your 2002 Pontiac Sunfire to overheat. A malfunctioning thermostat can also cause it to overheat.
next to the tank
The 2002 Pontiac sunfire does not have a cabin filter. The air flows freely either in fresh air or recirculation modes.
Where is the fuel idle control valve for a 2002 Pontiac Sunfire
The fuel filter on a 2002 Pontiac Sunfire is in the rear between the fuel tank and the rear axle. By the way its under the car and easy to change takes about 10 minutes.
The side of the driver's door on my 2002 Pontiac sunfire is a little hard to read, but I believe it says 30 PSI.
The thermostat is located in the housing where the top radiator hose connects to the engine. You will have to disconnect the hose and unbolt the housing to get to the thermostat.
I need to know how to remove a rear wheel speed sensor on a 2002 Pontiac Sunfire
The 2002 Bonneville with a 3.8l engine has the thermostat in the top radiator hose inlet. A different engine any use a different location.
Um... change it into what? FriPilot
You can replace a timing chain on a 2002 Pontiac Sunfire by visiting a local mechanic and having him take care of it for you. This is a tricky part to change yourself.
I know that on a '96 the fuel filter is an in-line type near the fuel tank. As Pontiac hasn't really altered much on the Sunfire in over ten years, I'd suggest starting there.
You have to get an aftermarket chip
It is located directly under the throttel body.AnswerWhere is the thermostat on a 2002 Pontiac Grand Am?" Answerwhere is the thermostat on a 2000 Pontiac grand am Instructions on how to change a thermo..Hello, this page has instructions on how to install a new thermostat on a 99+ Grand Am. Also, not listed on the page as an instruction but something I did when changing the thermostat was to take off the throttle body which made getting to the inlet manifold bolts much easier. The bottom bolt was particulary hard to get too, the top bolt was not too bad. Good Luck. http://www.grandamgt.com/thermostat-pfyc.HTML
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All 2002 Sunfires, 2.2 and 2.4, had timing chains