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How do I fill my radiator and not get air bubbles in my 1998 Pontiac Firebird?

Answers from the Automotive Experts

Amanda J. Pierce, MBA Edmundo, You have a coolant reservoir to top off, and your radiator cap can be removed when the engine is cool. Fill to top, and fill your reservoir to the fill line on cold.

Gelina Aquilina, Service Advisor / Mechanic at Some cars have a little breather outlet on the intake or thermostat housing that you can unscrew while filling to release air. Otherwise, you can purchase a pressurized filler kit.

Helaine Kurot, Owner/Technician at 360 Automotive There is a special funnel that attaches to the top of the radiator. Fill w coolant and let it run til the thermostat opens. This should get all the air out.

Maryann Croce, Owner at Croce’s Transmission Specialists Hi Edmundo, On your 1998 Firebird: There is a bleeding procedure for this that will get all of the air out. It is best to let a professional do this since the radiator is extremely hot when the procedure is done. Good luck!

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