Question about 1998 Oldsmobile Silhouette

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My temp gauge maxes out but the moter doesent get hot n i get heat at first then heat stops blows cold air ... i replaced senser on thermostat housing but cant find other senser . im told there is two

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  • Oldsmobile Master
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The likely problem is an air bubble in your cooling system. Recommend you park on an incline, remove the radiator cap, set the heater on high, start the car and let it warm up until there is flow in the radiator. Fill the radiator and keep it full while the engine continues to run. Look for any bleed ports the system may have either in the hoses or at the attach point housings. Crack any bleeders open to allow any air out. Top off the radiator all the way to the neck and make sure there are no bubbles coming up. Bubbles coming out the radiator are an indication of a blown head gasket. If no bubbles, close the cap. Hopefully this will solve the problem.

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Posted on Mar 14, 2011

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Posted on Jan 02, 2017

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