The thermostat in the Saab 9-5 with a 2.3-litre V6 engine connects to the back of the engine, under a plastic engine cover. Locating, and replacing, the thermostat is relatively straightforward and only takes a short amount of time to complete. If you neglect a broken thermostat, the engine will overheat. This could cause severe engine damage that could cost thousands to repair.
- Skill level:
- Moderately Easy
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Things you need
- Socket set
Remove the screws that hold the rear engine cover to the engine, using a screwdriver. Lift, and remove, the cover, and set it to the side.
Follow the upper radiator hose, and locate the area on the back of the engine where the hose connects. Remove the radiator clamp with pliers, and pull the hose off the water inlet housing.
Remove both bolts that secure the housing to the engine, using a socket and ratchet. Pull the housing off the engine to expose the thermostat.
Lift the old thermostat out of the engine, and place the new thermostat in the engine.
Lift the old gasket off the engine and wipe off the surface of the engine and the inlet housing.
Place the new gasket on the engine, and place the housing on top of it. Bolt the housing in place using the bolts, a socket and a ratchet.
Slide the hose onto the inlet housing, and secure it with the clamp, using the pliers.
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