V 3500 P/U 4WD V8-350 5.7L (1989)
Transmission Vacuum Regulator Valve: Service and Repair
1.
Remove modulator attaching screw and retainer.
2.
Remove modulator assembly from case and discard O-ring seal.
3.
Remove modulator valve from case.
4.
Reverse procedure to install, using a new O-ring seal.
