Power Steering Pump Specifications. GMC Truck GMC P42 Commercial Chassis 1998

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 1998 🢒 GMC P42 Commercial Chassis 🢒 Steering 🢒 Power Steering System 🢒 Power Steering Pump Specifications

Power Steering Pump Specifications PSI/Kilopascals

Part Number	Minimum Pressure		Maximum Pressure
Part Number	PSI	kPa	PSI	kPa
26019685	1200	8274	1300	8964
26020775	1350	9308	1450	9998
26020779	1200	8274	1300	8964
26020780	1200	8274	1300	8964
26020781	1350	9308	1450	9998
26022229	1200	8274	1300	8964
26024242	1350	9308	1450	9998
26042589	1350	9308	1450	9998
26042592	1200	8274	1300	8964
26042593	1200	8274	1300	8964
26043562	1350	9308	1450	9998
The relief valve remains closed against the following minimum and maximum pressure settings at 1500 RPM.

Power Steering Pump Specifications GPM/LPM

Part Number

Minimum Output

Maximum Output

GPM

LPM

GPM

LPM

•	Minimum Output: Output of power steering fluid at 76.6°C (170°F) temperature when operating the pump at 465 RPM against 4585-5195 kPa (665-753 psi) pressure.

•	Maximum Output: Output of power steering fluid at 76.6°C (170°F) temperature when operating the pump at 1500 RPM against 345 kPa (50 psi) pressure.

26019685

1.32

5.00

3.1-3.5

11.7-13.2

26020775

1.32

5.00

2.4-2.8

9.1-10.6

26020779

1.32

5.00

3.1-3.5

11.7-13.2

26020780

1.32

5.00

3.1-3.5

11.7-13.2

26020781

1.32

5.00

2.4-2.8

9.1-10.6

26022229

1.32

5.00

3.1-3.5

11.7-13.2

26024242

1.85

7.00

3.9-4.3

14.0-15.5

26042589

1.85

7.00

3.9-4.3

14.0-15.5

26042592

1.32

5.00

3.1-3.5

11.7-13.2

26042593

1.32

5.00

3.1-3.5

11.7-13.2

26043562

1.32

5.00

3.1-3.5

11.7-13.2