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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.
In the intake underneath the throttle body.
Should be in a removable housing at the engine end of the upper radiator hose
Check in the removable housing at the engine end of the uper radiator hose
follow the top radiater hose to where it goes to the motor there should be a bubble looking metal houseing if it is it will be inside.
The thermostat is located at the back of the engine under the exhaust manifold on passenger side. The radiator outlet pipe bolts are accessed from the top of the engine down between no 2 and 3 exhaust manifold runners.
As with all engine configurations, the temperature is monitored from the readings of the water that is circulated within the engine block. A water pump circulates the water from the radiator to the engine and back to the radiator. The thermostat is always located in the water pump. Just look for the water pump and the thermostat component will be with it.
Oldsmobile Achieva was created in 1992.
yes. need the right tools... i have done it many times... take of throttle body...
Underneath the engine, towards the rear. Follow the water return hose from the radiator back. It turns into a flat metal tube. At the end of the tube you will find a flange with two holding screws. Thermostat is inside that flange.