Question about 1996 Oldsmobile Cutlass Ciera

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Replacing the thermostat how to replace it

Car running hot upper hose has a lot of pressure on it

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You should have your coolant system flushed. not just the radiator. engine and heater core also. if the top hose is pressurized the thermostat is open. and coolant should be flowing. when operating normally the system is typically pressurized to 15 psi. there may be something clogged. like the radiator. what is the condition of the coolant? when was the last time you changed it? when was the last time you had it flushed?

to change the thermostat, remove the thermostat housing. it's on the top hose at the engine. remove the old thermostat and note it's position. replace with new thermostat and replace housing. tighten housing bolts, but don't over tighten.

Posted on Jun 05, 2010

  • saisoku Jun 05, 2010

    also the car has been running hot seems like some times you can hear it growling or boiling last night the radiator blew a hole in it


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The thermostate should be located where the upper rad hose goes into the nigine, u will have to drian the rad fluid a little but not the whole system

Posted on Jun 05, 2010

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Thermostat replacing:





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