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Newb Question: Where are all of the Vacuum Hoses?

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Old 11-24-08, 07:48 PM
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Newb Question: Where are all of the Vacuum Hoses?

Hi Everyone,

I've purchased quite alot of maintenance parts for my N/A 88 GXL and need a question answered.

Can some one provide me with a list of all the locations where vacuum hoses (3.5mm and 6mm) are to be replaced?


I know of a few locations but would like to know all of them because I just recently purchased from mazdatrix the length of silicon hoses to complete an entire hose replacement.
Reference: Silicon Vacuum Hoses

Also is it safe to simply pull the existing hose out and replace it with the purchased one?

Last edited by clandestine; 11-24-08 at 07:50 PM.
Old 11-24-08, 07:52 PM
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Go buy a haynes shop book at napa or advance auto parts. If you plan on working on your car you will definately need it again. All the diagrams you need are found in there, instead of greasy handedly getting on your computer. Pull one line, replace it. Pull another then replace that one, less room for error.

john ny
Old 11-24-08, 08:13 PM
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n/a vac line's are actually easy to do...but i would suggest getting the haynes manuel as ^ said..

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Old 11-24-08, 10:08 PM
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See my sig. for FSM. Fuel and Emissions chapter.
Old 11-24-08, 11:03 PM
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Great! thanks for the positive responses
Old 11-25-08, 02:40 AM
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Yes, fsm in faq has all the diagram you need for vacuum.
Old 11-25-08, 05:30 AM
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Originally Posted by clandestine
Also is it safe to simply pull the existing hose out and replace it with the purchased one?
Be very careful when removing the old hose.
By now it's nice and dried out, crusty and hard- which of course, is why you're replacing it to begin with- but this makes it difficult to remove from the nipples- which are also more fragile than they used to be.
It's easy to break the nipples if you aren't careful.
Old 11-25-08, 07:47 AM
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Originally Posted by clokker
Be very careful when removing the old hose.
By now it's nice and dried out, crusty and hard- which of course, is why you're replacing it to begin with- but this makes it difficult to remove from the nipples- which are also more fragile than they used to be.
It's easy to break the nipples if you aren't careful.
I just used a razor blade to cut the old vacuum lines off so I didn't need to worry about breaking the nipple. Quite a bit easier and you don't have to sit there and tug on it. Just cut a line down it and it slides right off. Doesn't matter that you cut it because your not going to use it again.
Old 11-25-08, 09:06 AM
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Originally Posted by clokker
Be very careful when removing the old hose.
By now it's nice and dried out, crusty and hard- which of course, is why you're replacing it to begin with- but this makes it difficult to remove from the nipples- which are also more fragile than they used to be.
It's easy to break the nipples if you aren't careful.
I learned that the hard way when removing my intercooler and broke off the connection the the AWS.

Originally Posted by g14novak
I just used a razor blade to cut the old vacuum lines off so I didn't need to worry about breaking the nipple. Quite a bit easier and you don't have to sit there and tug on it. Just cut a line down it and it slides right off. Doesn't matter that you cut it because your not going to use it again.
I should have done this.
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