Vacuum line mystery

1996 CHEVROLET SUBURBAN
361,950 MILES • 5.7L • V8 • 4WD • AUTOMATIC
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KLOTHAKING
  • MEMBER
  • 1 POST
when we bought this vehicle one of the vacuum hoses was not hooked up. Does it need to be hooked up?
Jul 23, 2016 at 1:12 AM
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CARADIODOC
  • CERTIFIED EXPERT
  • 34,308 POSTS
First you have to know what it is for, then you have to figure out why it is disconnected. There should be an emissions sticker under the hood that includes a vacuum hose routing diagram.
Jul 23, 2016 at 1:15 AM