GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
1998
🢒
GMC C-Series Medium Duty Truck B7
🢒
Steering
🢒
Power Steering System
🢒 Swish Noise in Steering Pump
Problem
Action
A faulty control valve
Replace the control valve.
Repair the pump. Refer to
Power Steering Pump Disassemble
.