4L60e Shift solenoid?

Discussion in 'GM Powertrain' started by Ruger_63, Aug 30, 2010.

  1. Ruger_63

    Ruger_63 New Member

    My Transmission sometimes cant make up its mind. I changed the fluid. It looked like it was suposed to and didnt smell burnt at all.. So I added some lucas and its still shifts funny. Some times Ill give it a little gas and it will shift down to 2nd. and some times Ill floor it and it will only kickdown to 3rd. At 55mph it continues to shift up and down, up and down. Im wondering if it might be the shift solenoid..
  2. murdog94

    murdog94 Epic Member 5+ Years 5000 Posts

    Have you taken a look at your Throttle position sensor? You may want to do a sweep test (search the forums i have written a bunch of write ups and so have others on how to complete this)
    Als what year make model is your truck will help with the problem as well..
  3. Ruger_63

    Ruger_63 New Member

    Thanx a bunch.. I have an 01 Z71 Silverado

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