Toyota Workshop Service and Repair Manuals

Power Steering Pump: Specifications

SERVICE SPECIFICATIONS

Flow Control Valve Spring Length (Minimum) ......................................................................................................................... 32.3 mm (1.272 inch)
Pump Rotating Torque (Maximum) .............................................................................................................................. 0.25 Nm (2.2 inch lbs.) or less
Pump Shaft And Front Housing Bushing Oil Clearance: 

STD ................................................................................................................................................................ 0.03-0.05 mm (0.0012-0.0020 inch)
Maximum ............................................................................................................................................................................ 0.07 mm (0.0028 inch)

Vane Plate:

Height (Minimum) .................................................................................................................................................................. 8.6 mm (0.339 inch)
Thickness (Minimum) ....................................................................................................................................................... 1.397 mm (0.0550 inch)
Length (Minimum) .......................................................................................................................................................... 14.991 mm (0.5902 inch)

Vane Plate Length:

Pump Rotor And Cam Ring Mark:

None ......................................................................................................................................... 14.999 - 15.001 mm (0.59051 - 0.59059 inch)
1 ............................................................................................................................................... 14.997 - 14.999 mm (0.59043 - 0.59051 inch)
2 ............................................................................................................................................... 14.995 - 14.997 mm (0.59035 - 0.59043 inch)
3 ............................................................................................................................................... 14.993 - 14.995 mm (0.59027 - 0.59035 inch)
4 ............................................................................................................................................... 14.991 - 14.993 mm (0.59020 - 0.59027 inch)

Vane Plate And Pump Rotor Groove Clearance:

Maximum .......................................................................................................................................................................... 0.035 mm (0.0014 inch)

TIGHTENING SPECIFICATIONS

Assembly With Bracket Set Bolt And Nut ...................................................................................................................................... 43 Nm (32 ft. lbs.)
Bracket To Pump Assembly ............................................................................................................................................................ 43 Nm (32 ft. lbs.)
Oil Reservoir Set Bolt:

Front ............................................................................................................................................................................................ 13 Nm (9 ft. lbs.)
Rear ........................................................................................................................................................................................... 24 Nm (17 ft. lbs.)

Pressure Port Union To Pump Housing ........................................................................................................................................... 83 Nm (61 ft. lbs.)
Pulley Set Nut .................................................................................................................................................................................. 43 Nm (32 ft. lbs.)
Rear Housing Set Bolt ..................................................................................................................................................................... 24 Nm (17 ft. lbs.)
Union Bolt To Pressure Feed Tube ................................................................................................................................................. 47 Nm (34 ft. lbs.)