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Engine leaking coolant

Tiny
RUBESWIN91
  • MEMBER
  • 1992 TOYOTA 4RUNNER
  • 227,789 MILES
I've never noticed this problem till now but I'm losing lots of coolant and I don't know where its coming from. There is none in my reservoir I'm not sure what to do.
Thursday, May 2nd, 2013 AT 10:26 PM

1 Reply

Tiny
CARADIODOC
  • MECHANIC
  • 33,916 POSTS
The best way to find the leak is to add a small bottle of dark purple dye to the coolant. Drive it for a few days, then search with a black light. The dye will show up as a bright yellow stain that you can follow back to the source. If you find it inside the tail pipe, suspect a leaking cylinder head gasket.
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Thursday, May 2nd, 2013 AT 11:07 PM

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