cityrider Posted December 21, 2002 Report Share Posted December 21, 2002 I've developed a pin hole leak in one of my brake lines on my 1989 Pontiac Grand Prix SE. I'm going to a supplier tomorrow, but I need to know what size (diameter) of brake Line I'll need to purchase. It's dark, cold and wet outside tonight... anybody know for certain? would be appreciated. :?: Quote Link to comment Share on other sites More sharing options...
GPRACER Posted December 21, 2002 Report Share Posted December 21, 2002 Pretty sure it's 3/16 on the older cars.. Quote Link to comment Share on other sites More sharing options...
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