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Breather tube

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by 1979Jimmy, Jul 11, 2002.

  1. 1979Jimmy

    1979Jimmy 1/2 ton status

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    Well my breather tubes to my differentials have all sorts of crap on and waround them and I want to lengthen them anyway. What size tubing shoudl I use?
     
  2. Shaggy

    Shaggy 3/4 ton status

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    <font color="green"> I beleive I used 3/8 vacuum line. Mine are all extended up to the cowl on the passenger side. the tranny is the hardest to do, the breather on it has a little cap on it that you have to knock off, then you can hose clamp the vacuum tubing to it. A little silicone caulking to ensure the seal is a good idea too. </font color>
     
  3. jackedjimmy

    jackedjimmy 1/2 ton status

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    you can also get 3/8 coiled airline. I put this on my diffs because the stock ones will rip out.
     
  4. Shaggy

    Shaggy 3/4 ton status

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    <font color="green"> Yeah, the coiled stuff is kind of hard to route along the frame though /forums/images/icons/tongue.gif . I have had no problems with the vacuum tubing tearing out, just make sure there's enough slack in it. </font color>
     
  5. reddog64

    reddog64 1/2 ton status

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    i went to the hardware store and got clear line for 7 cents a foot vs line from napa at 60 cents a foot...
     
  6. MudbogAD

    MudbogAD 1/2 ton status

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    Where's the best way to route it all?
     
  7. reddog64

    reddog64 1/2 ton status

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    i routed mine along the inner frame rail on the passenger side... along the gas and brake lines
     
  8. Shaggy

    Shaggy 3/4 ton status

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    <font color="green"> Same here. Ran the rear axle line up the frame , brought the t case and tranny lines out there also, then tied all the lines together and ran them up through the engine compartment into the cowl. </font color>
     
  9. rcamacho

    rcamacho 1/2 ton status

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    Any concerns with venting equipment to a common line which use different lube potentially? I've had some instances of lube puking out vent lines. I'd hate to see ATF/GL mix. For instance I'm running an NV4500 transmission with GL-4 lube - it would definitely not like ATF for standard gear lube in the mix.
     

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