Mechanics

COOLANT DISSAPPEARS

1999 Volkswagen Jetta • 164,000 miles

I put in coolant and drive about twenty miles park for about an hour and my coolant is low again
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Frog-o
June 14, 2012.



You can perform a pressure test, then look for coolant leaking out or you can add a small bottle of dye, drive a few miles, then search with a black light. The dye will show up as a bright yellow stain that you can follow back to the source of the leak. Be sure to look inside the tail pipe too.

Caradiodoc
Jun 14, 2012.