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Thread: Real quick 4l65e question

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  1. #1
    Join Date
    Aug 2007
    Posts
    754

    Real quick 4l65e question

    This morning did a 2-3 shift on only 6 psi. It acted like it popped it into neutral. Everything seems fine now driving it normal. Just a fluke thing or what? Thanks.

  2. #2
    Join Date
    Jun 2010
    Location
    West Texas
    Posts
    406
    Did it feel like a slip? How long since the tranny been serviced?
    RUN WAT U BRUNG!!!!

  3. #3
    Join Date
    Aug 2007
    Posts
    754
    Doesn't feel like it's slippin at all. When it shifts from 2-3 wot it just bounces off the rev limiter. If it was a shift solinoid wouldn't you think it would be an all around issue, not just wot? Once I let off and get back in it in 3rd it's fine. It's a built trans maybe 2k pretty easy miles on it.
    Last edited by EmmerichLSx; 02-03-2011 at 03:04 PM.

  4. #4
    Join Date
    Sep 2005
    Location
    Austin Tx.
    Posts
    13,138
    Have you been able to build boost since?
    1951 3100
    1984 C10

  5. #5
    Join Date
    May 2008
    Location
    Schertz, Tx
    Posts
    2,539
    My FLT Lvl5 started to do that about six months before it went T.U. One morning on the way to work lost everything except first. Lovin' my 80!

    07 Z71 4x4, 6.0L, 3.73s, Turbonetics T76 @ 10 psi, 75 shot, Snow meth kit, PLX DM-100 wideband gauge, Nelson tune, Comp 212/216 .557/.561 114 lsa, 60# injectors, Yank 3000, 4L80E , Magnaflow - dumped, e-cutout
    Line-X, Pace Edwards Full Metal Jackrabbit bedcover

  6. #6
    Join Date
    Aug 2007
    Posts
    754
    Yes I can build boost. My wastegate has been sounding weird though. Like not a constant wshhhh! Ya know?

  7. #7
    Join Date
    Aug 2007
    Posts
    754
    Quote Originally Posted by rutroe View Post
    My FLT Lvl5 started to do that about six months before it went T.U. One morning on the way to work lost everything except first. Lovin' my 80!
    So was it like you were slappin it into neutral right when it shifted?

  8. #8
    Join Date
    May 2008
    Location
    Schertz, Tx
    Posts
    2,539
    Quote Originally Posted by emmerich5.3 View Post
    So was it like you were slappin it into neutral right when it shifted?
    Mine would do the rev limiter thing like you were describing. Sorry it took a dive on you...

    07 Z71 4x4, 6.0L, 3.73s, Turbonetics T76 @ 10 psi, 75 shot, Snow meth kit, PLX DM-100 wideband gauge, Nelson tune, Comp 212/216 .557/.561 114 lsa, 60# injectors, Yank 3000, 4L80E , Magnaflow - dumped, e-cutout
    Line-X, Pace Edwards Full Metal Jackrabbit bedcover

  9. #9
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    It's toast. Once they start doing that it's a gonner for sure.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  10. #10
    Join Date
    Aug 2007
    Posts
    754
    Yeah it's gone. Thanks guys.

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