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Search results

  1. 6

    4L80E Transmission Temp Sensor

    I'm getting a DTC for transmission temperature sensor voltage too high, along with very premature torque convertor lockup. Like, it locks up the instant it shifts into second (at too low an RPM), and stays locked until it goes back into first. Where is the temp sensor (in the pan, I know), and...
  2. 6

    Picked Up a New (to me) Pickup

    Got this basically for a song. '88 one ton. Pretty fresh, nice running, strong 350/TH400. It needs a little tinkering, but is solid and rust free.
  3. 6

    Other WTB Trans Yoke for 4L80E with Park Brake

    I need a bolt on output yoke for a 4L80E that has the park brake on the transmission. My truck is a '91. TIA
  4. 6

    1991 4L80E upgrade.

    Hi all, The transmission in my 1991 3500HD 2WD has given up the ghost (very low line pressure, barely operable). I have a line on a rebuilt transmission local to me, but it is a '95-'96 unit. I can buy it for about what a rebuild kit would cost. The trans itself was rebuilt by Jake's or...
  5. 6

    New here.

    Hi all, I have an old 3500HD, and this looks like a good place to further my knowledge of it. Thanks in advance for putting up with me.
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