Honda Ridgeline. Manual — part 283
01
SJC8A00F00000047031LAAT00
Exploded View
17-15
Pump Overhaul
8 x 1.25 mm
20 N·m
(2.0 kgf·m, 14 lbf·ft)
*PUMP COVER
5 mm ROLL PIN
4.5 mm ROLL PIN
PUMP COVER
SEAL
*OUTER SIDE PLATE
*CAM RING
VANES
(10 plates)
*
*ROTOR
15.2 x 2.4 mm
O-RING
*SIDE PLATE
*SNAP RING
*SUBVALVE
51 x 2.4 mm O-RING
13 x 1.9 mm O-RING
INLET JOINT
6 x 1.0 mm
11 N·m
(1.1 kgf·m,
8.0 lbf·ft)
*SPRING
16.7 x 1.8 mm O-RING
*PUMP HOUSING
PUMP SEAL
BALL BEARING
40 mm SNAP RING
DRIVESHAFT
PULLEY
PULLEY NUT
64 N·m
(6.5 kgf·m, 47 lbf·ft)
FLOW CONTROL VALVE CAP
49 N·m (5.0 kgf·m, 36 lbf·ft)
*
*FLOW CONTROL VALVE
(cont’d)
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace the pump as an assembly if the parts indicated with asterisk (*) are worn or damaged.
02
Special Tools Required
Disassembly
17-16
Power Steering
Pump Overhaul (cont’d)
A
D
07ZAB-S5A0100
C
B
E
• Attachment, 28 x 30 mm 07946-1870100
• Driver 07749-0010000
• Pulley holder 07ZAB-S5A0100
NOTE: Refer to the Exploded View as needed during the
following procedure.
1. Drain the fluid from the pump (see page 17-12).
2. Remove the power steering pump (see page 17-14).
3. Hold the power steering pump (A) in a vise with
soft jaws (B), then hold the pulley (C) with the
pulley holder (D), and remove the pulley nut (E) and
pulley. Be careful not to damage the pump housing
with the jaws of the vise.
4. Remove the inlet joint and O-ring.
5. Loosen the flow control valve cap with a hex
wrench, and remove it and the O-ring, the flow
control valve and spring.
6. Remove the pump cover and pump cover seal.
7. Remove the outer side plate, cam ring, rotor, vanes,
side plate and O-rings.
8. Remove the snap ring, then remove the subvalve
from the pump housing.
9. Remove the snap ring, then remove the pump
driveshaft by tapping the shaft end with a plastic
hammer.
10. Remove the seal from the pump housing.
03
04
05
06
Inspection
17-17
A
B
C
A
A
B
11. Check the flow control valve for wear, burrs, and
other damage to the edges of the grooves in the
valve.
12. Inspect the bore of the flow control valve on the
pump housing for scratches and wear.
13. Slip the flow control valve back in the pump
housing, and check that it moves in and out
smoothly. If OK, go to step 14; if not, replace the
pump as an assembly. The flow control valve (A) is
not available separately.
14. Attach a hose (A) to the end of the flow control
valve (B) as shown. Then submerge the flow
control valve in a container of power steering fluid
or solvent (C), and blow in the hose.
• If air bubbles leak through the valve at less than
98 kPa (1.0 kgf/cm , 14.2 psi), replace the pump
as an assembly. The flow control valve is not
available separately.
• If the flow control valve is OK, set it aside for
reassembly later.
15. Inspect the ball bearing by rotating the outer race
slowly. If you feel any play (axial or radial) or
roughness, remove the faulty ball bearing (A) and
install a new one (B).
16. Inspect each part shown with an asterisk in the
Exploded View. If any of them are worn or
damaged, replace the pump as an assembly.
(cont’d)
2
07
08
09
Reassembly
17-18
Power Steering
Pump Overhaul (cont’d)
A
B
C
D
B
A
07749-0010000
07946-1870100
A
B
C
17. Align the pin (A) of the subvalve (B) with the oil
passage (C) in the pump housing, and push the
subvalve into place, then install the snap ring (D).
18. Install the new pump seal (A) (with its grooved side
facing in) into the pump housing (B) by hand first,
then drive it in using the special tools until there is
no step at the top of the pump seal, and the seal is
fully seated in the pump housing.
19. Position the pump driveshaft (A) in the pump
housing, then press it in with the appropriate size
socket wrench (B) as shown.
20. Install the 40 mm snap ring (C) with its beveled
edge facing out.
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