To replace a thermostat on a 1992 Geo Storm first locate the its housing. Once found drain the coolant system and remove the housing from the engine. Replace the thermostat.
You might have to replace the throttle body. If you have a 1.6L Engine, you can use one from the 1.8L or GSi Model.
4 pints
12.7 storm and 1.2 gsi
Im not 100% positive, but if I remember correctly its "Grande Sport Injection"
depends if its a base or gsi the base would have a 1.6 sohc and the gsi would have a 1.8dohc older gsi's have the 1.6 dohc
I believe the 3 types of storm are: 2+2, GSI, and hatchback.
12.7 storm and 1.2 gsi
In fuel tank
There is only one way to replace the 1991 Storm head gasket. anything in the way of getting to the head has to be removed (intake, hoses, etc..) Then the valve cover and head will have to be removed to change the gasket.
For an automatic transmission, check the side of the transmission by or at where the shifter linkage goes into the trans. For a manual transmission, check under the shifter boot.
The thermostat housing is on the cylinder head,at the pulley end. Curley hose from top of radiator connects to it.
All Geo Storms are 4 cylinder