GM Service Manual Online
For 1990-2009 cars only

Power Steering Pump Specifications for Generic Unit Repair 2000

Pump Type

Engine RPO

Steering Gear RPO

Brakes RPO

Engine RPM

Relief Valve Settings kPa (PSI)

Hobourn S600

LG5

NXW or N40

JE3 or JE4

700

1 000-1 069 (145-155)

Hobourn S600

LG5

NXW

JE4

750

1 000-1 069 (145-155)

Hobourn S600

LG5

NXW

JE3

750

1 000-1 069 (145-155)

Saginaw 235

LP4 or L21

N40

JE3 or JE4

600/650

786-807 (114-117)

Saginaw 235

L21

N40

JE4

650

786-807 (114-117)

All pressures are with engine at normal operating temperature.