1999 HONDA CIVIC ENGINE COOLANT

  • Tiny
  • spiritofelija
  • 1999 Honda Civic
  • 1.6L
  • 4 CYL
  • 2WD
  • automatic
  • 225,000 miles

Water level goes down daily with driving

Thursday, July 10th, 2014 AT 11:31 AM

1 Answer

  • Tiny
  • caradiodoc
  • Expert
  • 25,294 posts

Ou have an external leak or a leaking cylinder head gasket. If you don't see wet spots under the car, you can verify a leaking head gasket by adding a small bottle of dark purple dye to the coolant, then search a day later with a black light. The dye will show up as a bright yellow stain that you can follow back to the source. If the head gasket is leaking, you'll find the dye inside the tail pipe.

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Thursday, July 10th, 2014 AT 12:03 PM

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