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2002 Oldsmobile Alero - Page 8 Questions & Answers
Where to plug the obd2?
depends on make and model of your car.usually the port is located under your dash on the drivers side,left or right side.
How to change thermostat on 99 olds alero 2.4l automatic
Follow the top radiator hose to where it goes into the engine. Follow that until you reach the part shaped like a dome usually held onto the engine with two bolts. The thermostat is under the dome. You have to drain some of the coolant into a pan by removing the radiator drain plug, then you can remove the two dome bolts and replace the thermostat. You have to put the new thermostat facing the same way as the old, and with a new gasket or o-ring. Of course wait for the engine to cool before don't this.
Engine
Get scanner check code.
Where are the O2 sensors?
you should see one (up) on the lower front of the exhaust manifold under the hood. The other one (down) is just behind your cat converter under the car.
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