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To replace most heater cores you have to remove the dash on the passenger side.
The thermostat on a 1997 Oldsmobile Achieva SL goes on the very bottom of the water pump. It is inside the top hose of the radiator on the end that attaches to the water pump.
15 or 16.
the thermostat is located at the end of the lower radiator hose @ the block
Check for a bad thermostat, under the housing on the engine end of the top radiator hose.
Its on the drivers side, under the hood, in the engine compartment. Eric
location of the thermostat in 2002 Saturn sl sedan
It is located under the car close to the gas tank
heck the link below
Search Richpin06a at youtube.com
SL
All cars have only one thermostat.