1995 TOYOTA SUPRA Service Repair Manual

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Page 1657 of 2543

TOYOTA SUPRA 1995 Service Repair Manual POWER STEERING VANE PUMP
REMOVAL
1. REMOVE ENGINE UNDER COVER
Remove the 10 screws.
2. REMOVE BATTERY
3. 2JZ±GTE:
REMOVE AIR HOSE NO.5
4. 2JZ±GTE:
DISCONNECT OIL RESERVOIR TO PUMP HOSE
NOTICE: Take

Page 1658 of 2543

TOYOTA SUPRA 1995 Service Repair Manual 2. MEASURE PS VANE PUMP ROTATING TORQUE
(a) Check that the shaft rotates smoothly without abnormal
noise.
(b) Temporarily install the pulley set nut, and using a torque
wrench, check the pump rotat

Page 1659 of 2543

TOYOTA SUPRA 1995 Service Repair Manual POWER STEERING VANE PUMP
INSPECTION AND REPLACEMENT
NOTICE: When using a vise, do not overtighten it.
1. MEASURE OIL CLEARANCE BETWEEN VANE PUMP
SHAFT AND BUSHING
Using a micrometer and caliper gauge,

POWER STEERING VANE PUMP
INSPECTION AND REPLACEMENT
NOTICE: When using a vise, do not overtighten it.
1. MEASURE OIL CLEARANCE BETWEEN VANE PUMP
SHAFT AND BUSHING
Using a micrometer and caliper gauge, measure the oil clear-
ance.
Oil clearance mm (in.)
Standard 0.03±0.05 (0.0012±0.0020)
Maximum 0.07 (0.0028)
2. INSPECT VANE PUMP ROTOR AND VANE PLATES
(a) Using a micrometer, measure the height, thickness and
length of the 10 vane plates.
Minimum mm (in.)
Height

8.6 (0.339)
Thickness 1.40 (0.0551)
Length 14.99 (0.5902)
(b) Using a feeler gauge, measure the clearance between the
rotor groove and plate.
Clearance mm (in.)
Maximum 0.035 (0.0014)
If more than maximum, replace the plate and/or rotor with one
having the same mark stamped on the cam ring.
Inscribed mark:
1, 2, 3, 4 or None
HINT: There are 5 vane lengths with the following rotor and
cam ring marks:

Rotor and cam
ring number
Vane plate length mm (in.)
None 14.999±15.001 (0.59051±0.59059) 1 14.997±14.999 (0.59043±0.59051)
2

14.995±14.997 (0.59035±0.59043)
3

14.993±14.995 (0.59027±0.59035)
4 14.991±14.993 (0.59020±0.59027)
3. INSPECT FLOW CONTROL VALVE
(a) Coat the valve with power steering fluid and check that it falls
smoothly into the valve hole by its own weight. SR±28
± STEERINGPOWER STEERING VANE PUMP

Page 1660 of 2543

TOYOTA SUPRA 1995 Service Repair Manual (b) Check the valve for leakage. Close one of the holes and
apply 392±490 kPa (4±5 kgf/cm
2, 57±71 psi) of compressed
air into the opposite side, and confirm that air does not come
out from the en

Page 1661 of 2543

TOYOTA SUPRA 1995 Service Repair Manual 6. IF NECESSARY, REPLACE BEARING
(a) Using a press, press out the bearing.
(b) Using snap ring pliers, remove the snap ring from the vane
pump shaft.
(c) Using snap ring pliers, install a new snap

Page 1662 of 2543

TOYOTA SUPRA 1995 Service Repair Manual 6. INSTALL 10 VANE PLATES
Install the plate with the round end facing outward.
7. INSTALL GASKET
Install a new gasket to the front housing.
8. INSTALL SIDE REAR PLATE
Align the holes of the plate and

Page 1663 of 2543

TOYOTA SUPRA 1995 Service Repair Manual 15. 2JZ±GE:
INSTALL VANE PUMP PULLEY
Using SST to stop the pulley rotating, torque the nut.
SST 09960±10010
Torque: 43 NVm (440 kgfVcm, 32 ftVlbf)
POWER STEERING VANE PUMP
INSTALLATION
1. INSTALL V

Page 1664 of 2543

TOYOTA SUPRA 1995 Service Repair Manual POWER STEERING GEAR
COMPONENTS
± STEERINGPOWER STEERING GEARSR±33

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