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Thread: brake vacuum...need help..

  1. #1
    Join Date
    Aug 2006
    Posts
    192

    brake vacuum...need help..

    So I got my 6.0
    If you look in the pic, circled in blue There is this fitting, but it is closed ended. Another board member told me I needed to get the fitting for non power assist brakes..
    Can someone confirm this, and if so, anyone have one or a part number? I have checked alldata and does not list anything from this 06 express van where I got the motor from. Maybe another model or year? Any help would be greatly appreciated.
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  2. #2
    Join Date
    Sep 2005
    Location
    Austin Tx.
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    13,138
    Quote Originally Posted by pcmcobra View Post
    So I got my 6.0
    If you look in the pic, circled in blue There is this fitting, but it is closed ended. Another board member told me I needed to get the fitting for non power assist brakes..
    Can someone confirm this, and if so, anyone have one or a part number? I have checked alldata and does not list anything from this 06 express van where I got the motor from. Maybe another model or year? Any help would be greatly appreciated.
    All that fitting goes to is the hose from the brake booster. but yeah just replace that with a fitting from a dealer. I dont think I have a part number it was like a 5 or 6 bucks. That fittings that you circled comes out from back there though. that red plastic thing is a clip and you can just pull that out. If you break it no big deal.
    1951 3100
    1984 C10

  3. #3
    Join Date
    Jun 2007
    Location
    maine
    Posts
    1,458
    try part number 12559760 thats what the S&P tahoe 5.7 vortec to 5.3 vortec swap says.
    09 CREWCAB LTZ SILVERADO, 6.2, SIX SPEED, CAI,

  4. #4
    Join Date
    Aug 2006
    Posts
    192
    thx guys. u rock

  5. #5
    Join Date
    Dec 2007
    Posts
    3,429
    Get rid of that power booster. Put hydra boost brake system in. It runs off your power steering pump and works alot better especially for those with mild/big cams, no lose of vacuum at idle. For $200, better braking, and you can use all factory parts (hydraboost from a 1500hd and 2 hoses to change over). I had it in my 03' GMC and loved it.
    30' Ford Model A Tudor Sedan - Custom chassis - Big bore LS2 - twin B76's - Glide - 9" w/ 3.07 gears - 30" DR tire - 2k lbs cruiser

  6. #6
    Join Date
    Dec 2007
    Location
    Big pine key, Florida Keys
    Posts
    98
    push that red tab in towards the intake and pull the end off it will come off fairly easy then reuse ur old hose with same conector should fit right in hope this helps thx
    <a href=http://i137.photobucket.com/albums/q209/Rassele247/GavinsBannercopy.jpg target=_blank>http://i137.photobucket.com/albums/q...Bannercopy.jpg</a>
    05 Silverado cc LQ9, 220 220 .581/.581 114+1 LSA, Pacesetters with Ory, TBSS Intake w/ 90mm TB, Comp roller Lifters, LS7 1.80 rockers, LS1 Heads, Transgo HD2, Vette servo, 160 stat, custom 3inch exhaust, and Nelson Tuned:
    5400lbs- 13.62 at 100.46mph - Dynoed at 360rwhp - 375rwtq

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