1994 Chevrolet Lumina Oil leak

Tiny
ZACROEHRS
  • MEMBER
  • 1994 CHEVROLET LUMINA
  • 3.1L
  • V6
  • 2WD
  • AUTOMATIC
  • 83,000 MILES
There is an oil leak in my 1994 chevy lumina and I cannot find where it is. Ive searched but have come up with nothing.
Tuesday, April 8th, 2014 AT 5:18 PM

1 Reply

Tiny
CARADIODOC
  • MECHANIC
  • 33,873 POSTS
There's two things you can consider. If the leak is really fast, you can use a smoke machine, (if you can find one), and inject a white, non-toxic smoke into the dip stick tube, then watch where it sneaks out. That will work for non-pressurized areas like oil pans and valve covers. The smoke can't push through oil in passages that become pressurized. For leaks in those places, you can add a small bottle of dark purple dye to the oil, run the engine, then search later with a black light. The dye will show up as a bright yellow stain that you can follow back to the source. Auto parts stores have the dye, and those that borrow or rent tools will have the black light.
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Tuesday, April 8th, 2014 AT 5:43 PM

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