where are all vacume hoses located on this truck

1997 GMC SIERRA
20,000 MILES
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GHHILLBILLY
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i have a vacume leak and am trying to find it but i need to know where to look i need vacume hose diagram thanks
May 11, 2012 at 4:15 PM
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CJ MEDEVAC
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ENGINE SIZE?

OTHER THAN VISUAL, SORTA WHAT METHODS ARE YOU USING TO SEARCH?

THE MEDIC
May 11, 2012 at 4:26 PM