MYSTERIOUS BLACK TUBE NOT ATTACHED TO ANYTHING

  • Tiny
  • Sarah B
  • 1995 Chevrolet Corsica
  • 140,000 miles

I happened to catch this when I was changing out my air filter. When I tried to move it around, the tube broke in the middle.

Sunday, December 11th, 2011 AT 3:24 AM

14 Answers

  • Tiny
  • rivermikerat
  • Expert
  • 6,118 posts

There should be a vacuum line connected to it. Look for one that is connected to nothing or plugged off.

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Sunday, December 11th, 2011 AT 3:27 AM
  • Tiny
  • Sarah B
  • Member

I forgot to say, the other end wasn't attached to anything.

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Sunday, December 11th, 2011 AT 3:28 AM
  • Tiny
  • rivermikerat
  • Expert
  • 6,118 posts

Replace the vacuum line, the get brittle over time. Find a source of vacuum to plug the line into. There should be a vacuum diagram under the hood somewhere. Chevy usually puts them either on the underside of the hood or on the fan shroud.

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Sunday, December 11th, 2011 AT 3:35 AM
  • Tiny
  • Wrenchtech
  • Expert
  • 19,584 posts

That's not a vacuum line. It is a breather tube that inserts into a grommet if the rear valve cover.

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Sunday, December 11th, 2011 AT 4:31 AM
  • Tiny
  • rivermikerat
  • Expert
  • 6,118 posts

I'll defer to you on this Wrenchtech in the presumption your eyes are better than mine.

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Sunday, December 11th, 2011 AT 5:05 AM
  • Tiny
  • Wrenchtech
  • Expert
  • 19,584 posts

I don't see it any better. I just have had to reattach may of them doing the intake on 3.1s.

They are calling is a "Crankcase Vent tube"

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Sunday, December 11th, 2011 AT 2:09 PM
  • Tiny
  • Sarah B
  • Member

Thank you for your replies : )

So if it is broken off, can is it ok to drive?

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Sunday, December 11th, 2011 AT 8:55 PM
  • Tiny
  • Wrenchtech
  • Expert
  • 19,584 posts

It's not an emergency but you don't want to leave it that way too long.

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Sunday, December 11th, 2011 AT 9:09 PM
  • Tiny
  • Sarah B
  • Member

Can I drive with out it?

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Sunday, December 11th, 2011 AT 9:15 PM
  • Tiny
  • Sarah B
  • Member

Cool, Thank you. Where can I buy a replacement? I've checked the usual places but no luck

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Sunday, December 11th, 2011 AT 9:17 PM

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