POSSIBLE VACUUM LEAK

  • Tiny
  • nutsandbolts
  • 1995 Buick Lesabre
  • 6 CYL
  • FWD
  • automatic
  • 159 miles

95 Buick Lesabre
Car stumbles under load. All sparks plugs and wires changed. Then I noticed a hole on the under side of my vacuum check valve. Is this a normal thing. I can hear a hissing sound. Maybe a vacuum leak there? Is that hole supposed to be there? Look like over time the heat ate away the bottom layer of the valve.

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Friday, February 25th, 2011 AT 8:38 PM

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  • Tiny
  • Wrenchtech
  • Expert
  • 20,072 posts

Not sure which valve you're referring to but if you hear vacuum leaking, then there is a problem.

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Friday, February 25th, 2011 AT 8:58 PM

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