Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 1998-2003 Approved FSM 17 psvp insp
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SR-26
STEERING - POWER STEERING VANE PUMP
SR1CZ-01
INSPECTION
Caliper Gauge
NOTICE:
When using a vise, do not overtighten it.
1. CHECK OIL CLEARANCE BETWEEN VANE PUMP
SHAFT AND BUSHING
Using a micrometer and caliper gauge, measure the oil clear-
ance.
Standard clearance:
Micrometer 0.03 - 0.05 mm (0.0012 - 0.0020 in.)
Maximum clearance: 0.07 mm (0.0028 in.)
Vane Pump Shaft
If it is more than the maximum, replace the front housing and
Bushing vane pump shaft.
Front Housing
R15196
Thickness 2. INSPECT VANE PUMP ROTOR AND VANE PLATES
(a) Using a micrometer, measure the height, thickness and
length of the plates.
Height
Minimum height: 8.6 mm (0.339 in.)
Minimum thickness: 1.397 mm (0.0550 in.)
Minimum length: 14.991 mm (0.5902 in.)
Length
N00372
(b) Using a feeler gauge, measure the clearance between
the rotor groove and plate.
Maximum clearance: 0.035 mm (0.0014 in.)
If it is more than the maximum, replace the plate and/or rotor
with the one having the same mark stamped on the cam ring.
Inscribed mark: 1, 2, 3, 4 or None
Feeler Gauge
R10282
2001 SIENNA (RM787U)
Author : Date : 1422
SR-27
STEERING - POWER STEERING VANE PUMP
HINT:
There are 5 vane lengths with the following rotor and cam ring
marks:
Rotor and cam Vane plate part Vane plate length
ring mark number mm (in.)
14.999-15.001
None 44345-26010
(0.59051-0.59059)
14.997-14.999
Inscribed Mark 1 44345-26020
R13897 (0.59043-0.59051)
14.995-14.997
2 44345-26030
(0.59035-0.59043)
14.993-14.995
3 44345-26040
(0.59027-0.59035)
14.991-14.993
4 44345-26050
(0.59020-0.59027)
3. INSPECT FLOW CONTROL VALVE
(a) Coat the flow control valve with power steering fluid and
check that it falls smoothly into the valve hole by its own
weight.
R11288
(b) Check the flow control valve for leakage. Close one of the
Compressed Air holes and apply 392 - 490 kPa (4 - 5 kgf/cm2, 57 - 71 psi)
of compressed air into the opposite side hole, and confirm
that air does not come out from the end holes.
R07591
If necessary, replace the flow control valve with the one having
the same letter as inscribed on the front housing.
Inscribed mark: A, B, C, D, E or F
Inscribed Mark R11563
2001 SIENNA (RM787U)
Author : Date : 1423
SR-28
STEERING - POWER STEERING VANE PUMP
4. INSPECT SPRING
Using a vernier calipers, measure the free length of the spring.
Minimum free length: 32.3 mm (1.272 in.)
If it is not within the specification, replace the spring.
Calipers
R08702
2001 SIENNA (RM787U)
Author : Date : 1424
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