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where is coolant level sensor on the Pontiac Firebird TransAm ? how can this be replaced ?

Answers from the Automotive Experts

Amanda J. Pierce, MBA Sanrio, The coolant level sensor CLS, is a square module located about 3 inches below the radiator cap fitting into the radiator itself. 1.Raise and suitably support the vehicle. 2.Open the radiator drain cock. Drain the coolant from the radiator to a level below the coolant level indicator module. 3.Lower the vehicle. 4.Remove the battery. 5.Disconnect the electrical connector at the module. 6.Remove the coolant level indicator module from the radiator. 7.Install the module to the radiator, Apply lubricant to the O-ring. 8.Align the coolant indicator module to the module port in the radiator. 9.Press the module probe into the radiator module port housing until the retainer spring snaps onto the port flange. 10.Connect the electrical connector at the module. 11.Install the battery. Refill the engine coolant. Refer to Draining and Filling Cooling System .

Lori Johnson, Owner and Instructor at Ladies Start Your Engines Dear Sanrio, If you're looking for the coolant level indicator module, it should be mounted on the upper right side of the radiator. If it's the coolant temperature sensor you're looking for, on the 3.8L it's under the throttle body and on the 5.7L it's on the left side of the engine above the generator. Lori Johnson

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