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Vacuum line replacements (302)

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Old Apr 18, 2025 | 03:46 PM
  #1  
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Vacuum line replacements (302)

Poking around my engine today, I found this


I recently put a new EVP on, (actually old, pulled it off a parts truck) and that fixed some of my codes, but I was stuck with 33 and 41, both relatively recent. I think this broken line explains both. In the meantime, I wrapped it in gorilla tape.

My question is, what do you guys use to replace these lines? And if it's the same size as the white HVAC line, I need to replace that one as well.

Heres my vacuum diagram (91 302)
Here's my vacuum diagram (91 302)
 
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Old Apr 18, 2025 | 04:12 PM
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If that is the only bad part then I would use a small piece of vacuum hose the patch it back together.

I don’t know off the top of my head since I have never replaced the nylon tubing with rubber or silicone hose. There are threads here and on fullsizebronco.com that go over replacement and hose sizes.
 
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Old Apr 18, 2025 | 05:40 PM
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I bought a roll of 5/32" ID vacuum line and fittings, from the local auto parts store.

I ended up using this style of reducer.
I ended up using this style of reducer.
This type of reducer doesn't last.
This type of reducer doesn't last.
 
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Old Apr 19, 2025 | 09:30 AM
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It would be nice if someone like Dennis Carpenter or LMC would make a replacement line kit with the proper colors and ends.
 
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