GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 37839 Push Rod Height Gauge


    Object Number: 913  Size: SH
  1. Guage the piston rod using J 37839 .
  2. Check the maximum and minimum rod length.
  3. If the piston rod is not within limits, replace the rod with a service adjustable piston rod. Adjust the replacement rod to the correct measurement.