Whine Noise in Steering Pump. GMC Truck GMC P62 Commercial Chassis 1997

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 1997 🢒 GMC P62 Commercial Chassis 🢒 Steering 🢒 Power Steering System 🢒 Whine Noise in Steering Pump

Step	Action	Value	Yes	No
1	Check the pump shaft bearing. Is the pump shaft bearing scored?	--	Go to Step 2	System OK
2	Replace the pump housing. Replace the pump shaft. Flush the system. Go to Power Steering System Flushing Does the whine in the steering pump continue?	--	--	System OK

Step

Action

Value

Yes

Check the pump shaft bearing.

Is the pump shaft bearing scored?

System OK

Replace the pump housing. Replace the pump shaft. Flush the system. Go to Power Steering System Flushing

Does the whine in the steering pump continue?

System OK