1994 Chevy Cavalier heater core

1994 CHEVROLET CAVALIER
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Engine Cooling problem
1994 Chevy Cavalier 6 cyl Front Wheel Drive Automatic

what size are the lines that run to the heater core as i need to replace the old ones as thy leak and i want to have the new ones handy when i do it. also do i need to drain the whole system to do this
Mar 22, 2009 at 6:32 PM
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