Coolant dissappears

FROG-O

MEMBER
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

Thursday, June 14th, 2012 AT 8:37 PM

1 Reply

CARADIODOC

MECHANIC
33,873 POSTS

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.