Vacuum line mystery

KLOTHAKING

MEMBER
1996 CHEVROLET SUBURBAN
5.7L
V8
4WD
AUTOMATIC
361,950 MILES

When we bought this vehicle one of the vacuum hoses was not hooked up. Does it need to be hooked up?

Saturday, July 23rd, 2016 AT 1:12 AM

1 Reply

CARADIODOC

MECHANIC
33,916 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.

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Vacuum line mystery

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