2003 Silverado Speed Sensor? (thought it was a cluster problem, maybe not?)

Discussion in 'Chevy Silverado Forum (GMC Sierra)' started by 2003_Z71, Jan 23, 2012.

  1. 2003_Z71

    2003_Z71 New Member

    vehicle is a 2003 silverado 4x4 Z71, 5.3L V8, approx 103k miles.

    I had the famous problem of a sticking speedometer needle in the gauge cluster when it got cold outside. This weekend, I replaced all 6 stepper motors in the gauge cluster. It was a pain in the ass, but I got it done.

    My gauges seem to be working okay now, but the response of my speedometer needle seems to be delayed. For example, when I slow down, it seems like it takes longer than it should to return to zero. For instance, if I drive 20-mph, then stop at a stop sign, it will still be traveling back to zero for a few seconds after I stop.

    This leads me to believe it wasn't the stepper/stepping motors in the cluster - and maybe it's something else. Is it possible that there is some kind of speed sensor that has started to malfunction?

    I always wondered why my speedometer would always stick when it got cold (and no other gauges).

    Any advice? How many speed sensors are there, where are they, and can I replace them?

    Thanks for the help!
    Last edited: Jan 23, 2012

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