vaccum lines.. what size are they.? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 03-10-2008, 10:48 AM   #1
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Default vaccum lines.. what size are they.?

i stronly believe i have a bad vaccum leak and that is the cause that no matter what i do or replace i still keep getting code (44) for a lean exhaust..

i went to autozone yesterday because i figured since i cant aford to pay $100 or more for a vaccum test then it would be way cheaper to just replace the vaccum lines at $0.88 per foot of hose..

but the guy in autozone said he wont sell me no hose unless im sure of the correct size of the vaccum lines..

does anybody here no or are the yall different.?
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Old 03-10-2008, 02:40 PM   #2
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There are a couple of different sizes.
The easy way to tell which size you need is to take a piece off and have the parts store clerk match it.
An easy way to remember which hose goes where: use masking tape to number the vacuum connections putting the same number at both ends of a hose.
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