location of Crankshaft Position Sensor on 3.1 engine

GMC
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CRAZYMECHANIC
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  • 2 POSTS
I have a 1991 Olds Cutless Supreme Int, with a 3.1 engine and quto trans. I am trying to locate the Crankshaft Position Sensor, and save myself $900.00.
Apr 13, 2006 at 6:09 PM
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LOSONE
  • ✓ASE Certified Mechanic
  • 1,616 POSTS
  • ASE Certified Mechanic
It is under the harmonic balancer. The balancer has to be removed to replace the unit. Good luck
Apr 13, 2006 at 6:11 PM
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