Tài liệu xe HONDA ACCORD - P2 - Pdf 63

TA08E000000000J1702ABAT00
SUPPLEMENTAL RESTRAINT SYSTEM (SRS) (If steering maintenance is required)
The Accord SRS includes a driver’s airbag in the steering wheel hub, a passenger’s airbag in the dashboard above the
glove box, seat belt tensioners in the front seat belt retractors, seat belt outer lap tensioners in the front seat belt lower
anchor, side curtain airbags in the sides of the roof, and side airbags in the front seat-backs. Information necessary to
safely service the SRS is included in this Shop Manual. Items marked with an asterisk ( ) on the contents page
include or are located near SRS components. Servicing, disassembling, or replacing these items requires special
precautions and tools, and should be done by an authorized Honda dealer.
• To avoid rendering the SRS inoperative, which could lead to personal injury or death in the event of a severe frontal
or side collision, all SRS service work should be done by an authorized Honda dealer.
• Improper service procedures, including incorrect removal and installation of the SRS, could lead to personal injury
caused by unintentional deployment of the airbags, side airbags, and/or side curtain airbags.
• Do not bump or impact the SRS unit, front impact sensors, or side impact sensors, or rear safing sensor when the
ignition switch is ON (II), or for at least 3 minutes after the ignition switch is turned to LOCK (0); otherwise, the
system may fail in a collision, or the airbags may deploy.
• SRS electrical connectors are identified by yellow color coding. Related components are located in the steering
column, front console, dashboard, dashboard lower panel, in the dashboard above the glove box, in the front seats,
in the roof side, and around the floor. Do not use electrical test equipment on these circuits.
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Steering
Power Steering
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Special Tools . 17-2
Component Location Index . 17-3
Symptom Troubleshooting Index . 17-4
Symptom Troubleshooting . 17-7
Steering Wheel Rotational Play Check . 17-9
Power Assist Check . 17-9
Steering Linkage and Gearbox Inspection . 17-10
Pump Pressure Test . 17-11
Fluid Leakage Inspection . 17-12
Fluid Replacement . 17-14
Power Steering Hose, Line, and
Pressure Switch Replacement . 17-15
Pump Replacement . 17-17
Pump Overhaul . 17-19
Steering Wheel Removal . 17-26
Steering Wheel Disassembly/Reassembly . 17-27
Steering Wheel Installation . 17-29
Steering Column Removal and Installation . 17-30
Steering Column Inspection . 17-34

Power Steering
Special Tools
07HAG-SF10200 Sizing Tool, 42mm 1
07JAD-PL90100 Oil Seal Driver, 65 mm 1
07MAA-SL00100 Locknut Eye Wrench, 40 mm 1
07MAC-SL00201 Ball Joint Remover, 28 mm 1
07MAK-PY30100 Subhanger Stay 1
07NAG-SR30900 Sizing Tool 22.25 mm 1
07YAG-S2X0100 Sleeve Seal Guide 1
07ZAG-S5A0100 Sizing Tool, 36 mm 1
07RAK-S040111 Pump Joint Adapter 1
07RAK-S040122 Hose Joint Adapter 1
07TAF-SZ50100 End-Packing Remover, 26 x 33 mm 1
07XAG-S0K0200 Piston Seal Ring Guide 1
070AG-SJAA10S Frame Positioning Guide Pin 1
07406-0010001 P/S Pressure Gauge 1
07746-0010100 Bearing Driver Attachment, 32 x 35 mm 1
07746-0030300 Inner Bearing Driver Attachment, 30 mm 1
07946-1870100 Bearing Driver Attachment, 28 x 30 mm 1
07749-0010000 Driver Handle 15 x 135L 1
07965-SA50500 Inner Bearing Driver Attachment, 36 mm 1
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17-3
Component Location Index
POWER STEERING FLUID RESERVOIR
POWER STEERING PUMP
DRIVER’S AIRBAG
STEERING WHEEL

Steering Lock Replacement,
page 17-36
Rack Guide Adjustment, page 17-37
Removal, page 17-38
Overhaul, page 17-46
Installation, page 17-61
Tie-rod Ball Joint Boot Replacement, page 17-69
Gearbox Mount Cushion Replacement, page 17-70
The illustration shows LHD model, RHD model is similar.
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Symptom Procedure(s) Also check for
17-4
Power Steering
Symptom Troubleshooting Index
Find the symptom in the chart, and do the related procedures in the order listed until you find the cause.



Hard steering Troubleshoot the system (see page 17-7). Modified
suspension
Damaged
suspension
Incorrect tyre
sizes, tyre
varieties, and
air pressure
Assist (excessively
light steering at high
speed)

3.
4.
5.
6.
Check the rack guide adjustment (see page 17-37).
Check the drive belt: R20A3 engine model (see page 4-32),
K24Z2, K24Z3 engine models (see page 4-84).
Check for low or erratic engine idle speed: R20A3 engine model
(see page 11-258), K24Z2, K24Z3 engine models (see page
11-694).
Check for air in the power steering system due to air entering
inlet side of pump.
Check for low fluid level in the power steering reservoir due to
possible leaks in system (see page 17-14).
Overhaul the steering gearbox (see page 17-46).
Steering wheel kicks
back during wide turns
1.
2.
3.
Check for low fluid level in the power steering reservoir due to
possible leaks in the system: LHD model (see page 17-15), RHD
models (see page 17-16).
Check the drive belt: R20A3 engine model (see page 4-32),
K24Z2, K24Z3 engine models (see page 4-84).
Check the power steering pump fluid pressure (see page 17-11).
07/09/20 19:51:40 62TA000B_170_0005


Symptom Procedure(s) Also check for

side of pump.
Check for particle contamination of fluid and a restricted filter in
the reservoir.
Check for the high-pressure hose touching the subframe or body.
Check for automatic transmission torque converter noise.
Pump pressure
Power steering rack
rattle or chattering
1.
2.
3.
4.
Check for loose steering components (tie-rod and ball joints).
Tighten or replace as necessary.
Check the steering column shaft for wobbling. If the steering
column wobbles, replace the steering column assembly
(see page 17-30).
Check the power steering pump pulley on the shaft comp. for
damage and deterioration, replace the shaft comp. if necessary
(see page 17-20).
Check the rack guide adjustment (see page 17-37).
Hissing from the power
steering system/
foaming fluid
Check the fluid level. If low, fill the reservoir to the proper level
and check for leaks (see page 17-14).
Check the reservoir for leaks.
Check for crushed inlet hose or loose hose clamp allowing air into
the suction side of the system: LHD model (see page 17-15), RHD
model (see page 17-16).

Fluid leaks from the steering damping valve covers on the valve
body unit. Replace the valve housing.
(cont’d)
07/09/20 19:51:40 62TA000B_170_0006
Symptom Procedure(s) Also check for
17-6
Power Steering
Symptom Troubleshooting Index (cont’d)









Fluid leaks from the
power steering line
Fluid leaks from the cylinder line connections (flare nuts). Tighten
the connection and retest: LHD model (see page 17-15), RHD
model (see page 17-16).
Fluid leaks from a damaged cylinder line(s). Replace the cylinder
line: LHD model (see page 17-15), RHD model (see page 17-16).
Fluid leaks from the pump outlet hose or return line fitting on the
valve body unit (flare nuts). Tighten the fitting and retest. If it still
leaks, replace the hose, the line, or valve body unit as necessary.
Fluid leaks from the
power steering pump
Fluid leaks from the front oil seal. Replace the front oil seal.


−−

−−
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Hard Steering
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO

Repair is completed.
Faulty steering gearbox.
8. Check the outlet and return hoses and lines
between the pump and the steering gearbox for
clogging and deformation.
Repair or replace the lines.
Faulty valve body unit.
(cont’d)
Is the initial tur ning load more than 29 N ( 3.0 kgf ,
6.6 lbf)?
Is the pr essure 1,470 kPa (15 kgf / cm , 213 psi) or
less?
Is the pressure for R20A3 engine model: 7,850
8,530 kPa (80 87 kgf/cm , 1,140 1,230 psi),
K 24Z 2, K 24Z 3 engine models: 8,140 8,830 kPa
(83 90 kgf / cm , 1,180 1,280 psi) or mor e?
Are the two measurements within 5.0 N (0.51 kgf ,
1.12 lbf ) of each other?
Is the pressure for R20A3 engine model: 7,850
8,530 kPa (80 87 kgf/cm , 1,140 1,230 psi),
K 24Z 2, K 24Z 3 engine models: 8,140 8,830 kPa
(83 90 kgf / cm , 1,180 1,280 psi) or mor e in both
directions?
Is the steering OK?
Are the lines clogged or def ormed?
2
2
2
2
2

Faulty valve body unit.
Is the f low control valve OK ?
Are any of the lines def ormed?
Is the rack shaft bent or the rack guide adjusted
too tight?
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*02
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−−Rotational play: 0 10 mm (0 0.39 in.)
Initial turning load: 29 N (3.0 kgf, 6.6 lbf)
17-917-9
Steering Wheel Rotational Play
Check
Power Assist Check
1. Turn the front wheels to the straight ahead position.
2. Measure how far you can turn the steering wheel
left and right without moving the front wheels.
• If the play is within the limit, the steering gearbox
and the linkages are OK.
• If the play exceeds the limit, adjust the rack guide
(see page 17-37). If the play is still excessive after
rack guide adjustment, inspect the steering
linkage and steering gearbox (see page 17-10).
NOTE: This test should be done with original equipment
tires and wheels at the correct tyre pressure.
1. Check the power steering fluid level (see page
17-14).
2. Start the engine, let it idle, and turn the steering

Inspect for faulty movement
and damage.
Check for loose joint bolt,
or faulty movement.
Inspect for loose
mounting hardware.
The illustration shows LHD model, RHD model is similar.
07/09/20 19:51:41 62TA000B_170_0011

−−

−−
*01
*02
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Special Tools Required
17-11
Pump Pressure Test
6x1.0mm
11 N·m (1.1 kgf·m, 8.0 lbf·ft)
6x1.0mm
11 N·m
(1.1 kgf·m,
8.0 lbf·ft)
A
B
07406-0010001
07RAK-S040122
07RAK-S040111
AB

• Clogged valve body unit.
10. Close the shut-off valve, then close the pressure
control valve gradually until the pressure gauge
needle is stable. Read the pressure.
Do not keep the shut-off valve closed more
than 5 seconds or the pump could be
damaged by overheating.
11. Immediately open the shut-off valve fully.
If the pump is in good condition, the gauge should
read at least R20A3 engine model: 7,850
8,530 kPa (80 87 kgf/cm , 1,140 1,230 psi),
K24Z2, K24Z3 engine models: 8,140 8,830 kPa
(83 90 kgf/cm , 1,180 1,280 psi). A low reading
means pump output is too low for full assist. Repair
or replace the pump.
2
2
2
07/09/20 19:51:41 62TA000B_170_0012
*01
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LHD model
17-12
Power Steering
Fluid Leakage Inspection
PUMP ASSEMBLY
GEARBOX and
VALVE BODY UNIT
HOSES and LINES
HOSES and LINES

Inspect fluid lines for damage, rusting, and leaks.
Check for leaks at the hose and line joints, and at connections.
07/09/20 19:51:42 62TA000B_170_0014
*01
*02
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System capacity:
R20A3 engine model:
1.0L(1.1US.qt,0.88Imp.qt)atdisassembly
K24Z2, K24Z3 engine models:
1.1L(1.2US.qt,0.97Imp.qt)atdisassembly
Reservoir capacity:
0.3 L (0.3 US. qt, 0.3 Imp. qt)
17-14
Power Steering
Fluid Replacement
A
A
B
C
Check the reservoir (A) at regular intervals, and add the
recommended fluid as necessary. Always use Honda
Power Steering Fluid. Using any other type of power
steering fluid or automatic transmission fluid can cause
increased wear and poor steering in cold weather.
NOTE: If the fluid is contaminated, the screen in the
reservoir may be partially blocked. Replace the
reservoir if necessary.
1. Remove the reservoir from its holder. Raise the
reservoir, then disconnect the return hose (A) to


LHD model
17-15
Power Steering Hose, Line, and Pressure Switch Replacement
2.5 5.5 mm
(0.10 0.22 in.)
ADJUSTABLEHOSECLAMP(A) HOSECLAMP(B)
2.5 5.5 mm
(0.10 0.22 in.)
2.0 4.0 mm
(0.08 0.16 in.)
POWER STEERING
PRESSURE SWITCH
12 N·m (1.2 kgf·m, 8.7 lbf·ft)
6x1.0mm
11 N·m
(1.1 kgf·m, 8.0 lbf·ft)
PUMP OUTLET HOSE
RETURN HOSE
RETURN LINE
B
A
B
A
16x1.5mm
28 N·m (2.9 kgf·m, 21 lbf·ft)
INLET LINE
RETURN LINE
26 N·m
(2.7 kgf·m, 20 lbf·ft)







RHD model
17-16
Power Steering
Power Steering Hose, Line, and Pressure Switch Replacement (cont’d)
2.5 5.5 mm
(0.10 0.22 in.)
ADJUSTABLE HOSE CLAMP (A)
HOSE CLAMP (B)
2.5 5.5 mm
(0.10 0.22 in.)
2.0 4.0 mm
(0.08 0.16 in.)
POWER STEERING
PRESSURE SWITCH
12 N·m (1.2 kgf·m, 8.7 lbf·ft)
6x1.0mm
11 N·m
(1.1 kgf·m, 8.0 lbf·ft)
PUMP OUTLET HOSE
RETURN HOSE
RETURN LINE
B
RETURN LINE JOINT
16 x 1.5 mm

17-17
Pump Replacement
6x1.0mm
11 N·m
(1.1 kgf·m, 8.0 lbf·ft)
A
B
C
D
E
8x1.25mm
24 N·m
(2.4 kgf·m, 17 lbf·ft)
A
B
A
1. Place a suitable container under the vehicle.
2. Drain the power steering fluid from the reservoir
(see page 17-14).
3. Remove the front splash shield (see page 20-289).
4. Remove the drive belt (A) from the pump pulley
(see page 4-32).
5. Cover the auto-tensioner, alternator, and A/C
compressor with several shop towels to protect
them from spilled power steering fluid. Disconnect
the pump inlet hose (B) and pump outlet hose (C)
from the pump (D), and plug them. Take care not to
spill the fluid on the body or parts. Wipe off any
spilled fluid at once. Do not turn the steering wheel
with the pump removed.

Pump Replacement (cont’d)
A
B
C
F
D
6x1.0mm
11 N·m
(1.1 kgf·m, 8.0 lbf·ft)
E
44 N·m
(4.5 kgf·m,
33 lbf·ft)
A
B
1. Place a suitable container under the vehicle.
2. Drain the power steering fluid from the reservoir
(see page 17-14).
3. Remove the drive belt (A) from the pump pulley
(see page 4-84).
4. Cover the auto-tensioner, alternator, and A/C
compressor with several shop towels to protect
them from spilled power steering fluid. Disconnect
the pump inlet hose (B) and pump outlet hose (C)
from the pump (D), and plug them. Take care not to
spill the fluid on the body or parts. Wipe off any
spilled fluid at once. Do not turn the steering wheel
with the pump removed.
5. Remove the pump mounting bolts (E).
6. Cover the opening of the pump with a piece of tape

O-RING
*SIDE PLATE
13.0 x 1.9 mm
O-RINGS
*PUMP HOUSING
PUMP SEAL
PRESSURE CONTROL
VALVE CAP
49 N·m
(5.0 kgf·m, 36 lbf·t)
8x1.25mm
20 N·m
(2.0 kgf·m, 14 lbf·ft)
14.8 x 1.9 mm
O-RING
6x1.0mm
11 N·m
(1.1 kgf·m, 8.0 lbf·ft)
INLET JOINT
SNAP RING
*ROLL PIN
*VANES (9 plates)
*OUTER CASE
*ROLL PIN
SLIPPER SEAL
(White color)
57.2 x 1.9 mm
O-RING
O-RING
*PUMP PRELOAD SPRING

*
*
*
*
*
*PRESSURE CONTROL VALVE
PRESSURE CONTROL
VALVE SPRING
2
1
2
1
(cont’d)
Replace.
Replace.
Replace.
Replace.
Replace the pump as an assembly if any of the parts indicated with an asterisk (*) are worn or damaged.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
07/09/20 19:51:45 62TA000B_170_0020
*02

and other damage to the edges of the grooves in
the valve.
10. Inspect the bore of the pressure control valve on
the pump housing for scratches and wear.
11. Slip the pressure control valve back in the pump
housing, and check that it moves in and out
smoothly. If OK, go to step 12; if not, replace the
pump as an assembly. The pressure control valve
is not available separately.
07/09/20 19:51:46 62TA000B_170_0021
*04
*05
*06
Reassembly
17-21
A
B
C
B
A
07749-001000007746-0010100
B
A
12. Attach a hose (A) to the end of the pressure control
valve (B) as shown. Then submerge the pressure
control valve in a container of power steering fluid
(C), and apply compressed air 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 pressure control valve is not

B
C
D
A
B
C
F
D
E
A
B
C
16. Coat the new 57.2 mm O-ring (A) with power
steering fluid, and install it into the groove in the
side plate (B).
17. Set the side plate with the slot (C) facing up, and
align the hole (D) in the side plate and the slot (E) in
the pump housing.
18. Install the outer case (A) by aligning the slot (B)
inside the pump housing with the roll pin hole (C)
onthesideplate.
19. Install the roll pin (D) into the set hole.
20. Install the cam ring (A) by aligning the slot (B)
outside of the cam ring with the slot (C) in the outer
case.
21. Apply power steering fluid to the rubber seal (D)
(black) and slipper seal (E) (white), and install them
in the slot (F) of the cam ring.
22. Install the roll pin (A) into the slots between the
cam ring (B) and outer case (C), then push the roll

the cam ring is fully seated against the outer case.
(cont’d)
Replace.
07/09/20 19:51:48 62TA000B_170_0024
*15
*16
*17
*18
K24Z2, K24Z3 engine models
R20A3 engine model
17-24
Power Steering
Pump Overhaul (cont’d)
A
B
C
8x1.25mm
20 N·m (2.0 kgf·m, 14 lbf·ft)
A
A
C
9N·m
(0.9 kgf·m, 7 lbf·ft)
D
A
C
29 N·m
(3.0 kgf·m, 22 lbf·ft)
B
28. Coat the new pump cover seal (A) with power


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