Operation CHARM: Car repair manuals for everyone.

Brake Booster Push Rod Gauging Procedure (Hydr. Brk Bstr)






^ Tools Required
- J 37839 Push Rod Height Gauge

Gauge the piston rod. Use the J 37839. Check the maximum and minimum rod length.

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.