5.7L Vortec Oil Pressure Sending Unit

Discussion in 'GM Powertrain' started by Howie, Jan 20, 2009.

  1. Howie

    Howie Rockstar

    Hey fellas, my oil pressure guage is reading off the maps, anyone know where the sending unit is on a 1999 3500 or have a pic?

    Thanks!
     
  2. bzboardco

    bzboardco Rockstar 100 Posts

    This is out of a repair manual hope it helps....that is it by the oil filter

    [​IMG]
     
  3. vncj96

    vncj96 Epic Member 5+ Years 1000 Posts

    On the 5.7 its by the distributer
     
  4. Howie

    Howie Rockstar

    Ah Yes! Right beside the distrubuitr. I forgot to plug it in when I did the intakes. Thanks!
     
  5. vncj96

    vncj96 Epic Member 5+ Years 1000 Posts

    So did you have to change yours?? i have read about needing a special tool for this, is that really true? My oil pressure is really low and I was gonna change the sending unit but in the chilton manual its asays you need a special socket or something like that.:neutral:
     
  6. Howie

    Howie Rockstar

    No, all I had to do for mine thankfully, was connect the harness back together. Tell you this much there isn't much room back there.
     

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