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filling coolant on 1992 Buick Regal

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.

Asked by for the 1992 Buick Regal
The best thing to do is to go here and get the factory instructions, because it is some what hard to explain, with out pictures.

http://bit.ly/alldata_repair_manuals