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To replace the thermostat on a 2002 Cavalier 22 Ecotec, drain the radiator and remove the upper hose assembly. Replace the thermostat and refill the radiator.
The thermostat on a 2003 Pontiac Grand Am 2.2L L4 Ecotec is replaced by removing the upper radiator hose and unbolting the thermostat housing. The thermostat can then be removed, a new gasket installed, and the replacement thermostat put in place.
If it is the 2.2 ecotec engine, it is located on the spark plug cover withe ecotec logo on it. It is a little square with wires and heat fins on it.
Could be a variety of causes Cam angle sensor to thermostat
Well we just got back from doing a round trip from Reno to Oakland. We filled up 12.24 gallons and arrived back with 450 miles. That sums it up to being about 36 mpg. We never did over 70 mph and cruised around 65 mph. This coming from a 2004 Chevrolet Malibu Classic (with the ecotec 2.2L engine) You did not say the year or size of the engine which would be helpful.
On the back side of the block. The water pump is on the passenger's side, and the thermostat housing is on the driver's side. It's located under the exhaust manifold.
If you have the 2.2/134 Ecotec then the thermostat is very difficult to get to. It is on the right side of the engine underneath the power steering fluid box and the other hoses. If you trace the hoses from the radiator, you'll see it. Good luck getting to it!
the 2.2 ecotec runs @ 195. i suspect the older motor is the same. or for sure you can just call your local parts store and the clerk can look that up for you.
no
GM Ecotec family engines have timing CHAINS, not belts.
All GM OHV truck engines continue to use timing chains. The 2.2 truck engine (not ecotec) also uses a chain.
The thermostat is located in the right corner of the car, there will be a connection that has a y-split look to it. It allows the coolant to go into the block. When replacing this, make sure to buy the thermostat and new gasket (sold separately). You must perform this by draining the coolant out of the system first, while engine is cold, because the system is under 15 psi.