Suzuki Grand Vitara JB416 / JB420 / JB419. Manual — part 370
6C-23 Power Assisted Steering System:
P/S Pump Components (M16A Engine Model)
S6JB0A6306021
P/S Pump Assembly Components (J20A Engine
Model)
S6JB0A6306022
P/S Pump Assembly Components (F9Q Engine
Model)
S6JB0A6306029
18
13
6
16
1
15
2
3
(c)
2
2
11
2
7
12
10
8
2
5
4
14
(a)
(a)
(b)
17
9
I5JB0A630003-01
1. Suction connector
9. Vane
17. Cover bolt
2. O-ring
10. Rotor
18. Suction connector bolt
3. Pressure switch
11. Snap ring
: 28 N
⋅m (2.8 kgf-m, 20.5 lb-ft)
4. Flow control valve (Relief valve)
12. Side plate
: 60 N
⋅m (6.0 kgf-m, 43.5 lb-ft)
5. Spring
13. Pulley (pump shaft)
: 12 N
⋅m (1.2 kgf-m, 9.0 lb-ft)
6. Plug
14. Oil seal
: Do not reuse.
7. Pump cover
15. Pump body
8. Cam ring
16. Flow control valve assembly
1. Suction connector
: 3.7 N
⋅m (0.37 kgf-m, 2.7 lb-ft)
2. O-ring
: 20 N
⋅m (2.0 kgf-m, 14.5 lb-ft)
3. Pressure switch
: Do not reuse.
4. Suction connector bolt
1
4
(a)
3
(b)
2
2
I5JB0A630029-03
1. Suction connector
2. O-ring
3. Suction connector bolt
: 3.7 N
⋅m (0.37 kgf-m, 2.7 lb-ft)
: Do not reuse.
3
1
2
(a)
I5JB0B630008-01
Power Assisted Steering System: 6C-24
P/S Pump Disassembly and Assembly (M16A
Engine Model)
S6JB0A6306023
Disassembly
1) Clean its exterior thoroughly.
2) With aluminum plates placed on vise first, grip pump
body (15) with it.
3) Remove suction connector bolt, suction connector
(1) and O-ring (2) from pump body (15).
4) Remove power steering pressure switch (terminal
set) (3) from pump body (15).
5) Remove plug (6), flow control spring (5) and relief
valve (flow control valve) (4) from pump body (15).
6) Remove cover bolts, pump cover (7) and O-ring (2)
from pump body (15).
7) Remove snap ring (11) from pump shaft (13).
8) Remove vanes (9) from rotor (10).
9) Remove cam ring (8), rotor (10), side plate (12) and
O-rings (2) from pump body (15).
10) Pull out pulley (13) from pump body (15).
11) Remove oil seal (14) from pump body (15).
Assembly
1) Apply grease to oil seal (1) lip and apply P/S fluid to
sliding surface of the shaft (2) then insert pulley’s
shaft (2) from oil seal side of the pump body.
“A”: Grease 99000–25010 (SUZUKI Super
Grease A)
2) Apply power steering fluid to O-rings (1) and fit them
to pump body.
3) Install side plate and cam ring and side plate (1) to
pump body.
NOTE
Carefully align the dowel pins on the cam
ring and side plate (1) at bolt hole (2) as
shown in the figure.
1
13
14
6
2
5
4
15
2
12
9
2
3
8
10
11
7
2
I5JB0A630030-02
IYSQ01630041-01
1
I5JB0A630031-01
1
2
I5JB0A630032-01
6C-25 Power Assisted Steering System:
4) Apply power steering fluid to sliding surface of rotor
(1).
5) Install rotor (1) to shaft, directing dot (3) marked side
of rotor facing up.
6) Install new snap ring (2) to shaft, then make sure to
fit snap into shaft groove securely.
NOTE
Never reuse the removed snap ring (2).
7) Apply power steering fluid to sliding surface of cam
ring (1).
8) Apply power steering fluid to each vane (2).
9) Install vanes (2) (10 pieces) to rotor (1).
10) Apply power steering fluid to O-ring (1).
11) Install O-ring (1) to pump body.
12) Apply power steering fluid to sliding surface of pump
cover and rotor.
13) Match the dowel pins (1) to the holes of the cover
plate (2) as shown and install pump cover to pump
body.
14) Gradually tighten pump cover (1) bolts to diagonally
specified torque.
NOTE
After installing pump cover (1), check to
make sure that shaft can be turned by hand.
Tightening torque
P/S pump cover bolt (a): 28 N·m (2.8 kgf-m, 20.5
lb-ft)
15) Apply power steering fluid to O-ring (2) of pressure
switch.
16) Install O-ring (2) to pressure switch.
17) Install pressure switch (1) to pump body.
Tightening torque
Pressure switch (M16A engine model) (a): 28
N·m (2.8 kgf-m, 20.5 lb-ft)
1
3
1
2
I5JB0A630033-01
2
1
I5JB0A630034-01
1
I5JB0A630035-01
1
2
I5JB0A630036-01
IYSQ01630049-01
1, (a)
2
I5JB0A630037-04
Power Assisted Steering System: 6C-26
18) Apply power steering fluid to relief valve (flow control
valve).
19) Install relief valve (flow control valve) to pump body.
20) Install flow control spring.
21) Apply power steering fluid to O-rings of plug.
22) Install O-rings to plug.
23) Tighten plug to specified torque.
Tightening torque
Plug (a): 60 N·m (6.0 kgf-m, 43.5 lb-ft)
24) Apply power steering fluid to O-ring (2) of suction
connector (1).
25) Install O-ring (2) to suction connector (1).
26) Install suction connector (1) to pump body as shown
in the figure.
Tighten suction connector (1) bolts to specified
torque.
Tightening torque
Suction connector bolt (M16A engine model)
(a): 12 N·m (1.2 kgf-m, 9.0 lb-ft)
P/S Pump Inspection (M16A Engine Model)
S6JB0A6306024
Pump Body, Cover, Side Plate and Shaft
Check sliding surfaces of each part for wear and
damage. If any defect is found, replace pump assembly.
Cam Ring
Check vane sliding surface of cam ring for wear and
damage. If any defect is found, replace pump assembly.
IYSQ01630051-01
IYSQ01630052-01
1
(a)
I5JB0A630038-02
I5JB0A630051-01
IYSQ01630055-01
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