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Cap on overflow tank

3.2K views 6 replies 4 participants last post by  CajunTim  
#1 ·
Is the crew on cap for the coolant overflow supposed to have a small hole in it? Also, the blue plug underneath it has one too. Seems odd to me, but also makes sense.
 
#2 ·
Yes they are vented, its not a bad idea to drill a hole and add a fitting and a hose run up near the bars to keep dirt out.