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1992 Buick Regal Question: filling coolant



budster0126, 3.1L V6, Abrams, WI, December 22, 2009, 15:02

can you give me the instructions for filling my regal. I seen 2 vents in the system, 1 on the therm housing and another by the heater core line. not sure if thye should be open/closed while filling. thanks.

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