Express 1/2 Ton Van V8-5.7L VIN R (1999)
Vacuum Brake Booster: Service and Repair
Brake Booster Push Rod Gauging Procedure
^
Tools Required
-
J 37839 Push Rod Height Gauge
1. Gauge the piston rod. Use the J 37839. Check the maximum and minimum rod length.
2. If the piston rod is not within limits, replace the booster assembly as a complete unit. Do not attempt to grind or shave the push rod to compensate
for incorrect length.
