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smurfsack 04-21-2013 12:19 PM

i cant believe im asking this question
ok.....haha i feel so dumb right now. here goes.

im going to check my engine for vacuum leaks.....are all vacuum lines rubber? and are all rubber hoses vacuum lines....except well water lines of course.

CotyM 04-21-2013 12:38 PM

no and no, I think at least one vacuum line is actually metal like the EVAP and EGR... and one rubber line is actually for fuel...

ShoOff 04-21-2013 12:50 PM

oh no............. i see this going horribly wrong.

smurfsack 04-21-2013 12:50 PM

ok second question. what hoses am i going to spray to test for leak?

CotyM 04-21-2013 01:09 PM

From this post that I found by googling your question:

I found these images:

Now that you know were the vacuum lines begin on your car's intake manifold you can follow them using this routing diagram:

And of course you can always just smoke the lines to find your problem:

amc49 04-22-2013 04:12 AM

You showed a pic of the wrong intake. Vacuum lines can be made of anything, metal, plastic, rubber. Any hollow tube running to the intake is a suspect vac line.

smurfsack 05-02-2013 12:13 PM

ok. amc your everywhere and super helpful. thank you

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