Caterpillar GC25K OR GP25K:
No spark

Hi and thanks in advance for any help! I replaced a water pump and when I finished up the lift wouldn't start again. First thing I did was check timing to make sure it was wrong. It was right by the marks and piston on tdc rotor pointing at number 1 plug wire. Feel pretty confident that's it's all correct. Next I check to see if I was getting any spark to the plugs and I didn't. Wiggles wires, check plugs to coil and crank sensor and everything look good. It did start once at this point but only once. Thinking it was a bad wire in the harness I Ohm the wires in harness and everything checked out. Replaced crank sensor and coil and still nothing. Could it be in the exam? Has anyone ran across this?
  • Posted 16 Jan 2020 08:26
  • Discussion started by garland_s
  • Tennessee, United States
Showing items 1 - 2 of 2 results.
Ok after emailing swoop, here's what happen. When removing/replacing crank sensor it has to be adjusted from.32-.37. There's really no adjustment on it as the bracket bolts to front cover and the sensor bolts in it. I had to drill the bracket to be able to move it enough to get.32. After doing so it now fires. Still having problems but think they are unrelated.
  • Posted 23 Jan 2020 07:09
  • Modified 23 Jan 2020 07:10 by poster
  • Reply by garland_s
  • Tennessee, United States
GC25K
AT82E00638
  • Posted 16 Jan 2020 08:42
  • Reply by garland_s
  • Tennessee, United States

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