Honda Ridgeline. Manual — part 281
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Rotational play: 0
10 mm (0
0.39 in.)
Initial turning load:
29 N (3.0 kgf, 6.6 lbf)
17-7
17-7
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 linkages are OK.
• If the play exceeds the limit, adjust the rack guide
(see page 17-29). If the play is still excessive after
rack guide adjustment, inspect the steering
linkage and steering gearbox (see page 17-8).
NOTE: This test should be done with original equipment
tires and wheels at the correct tire pressure.
1. Check the power steering fluid level (see page
17-12).
2. Start the engine, let it idle, and turn the steering
wheel from lock-to-lock several times to warm up
the fluid.
3. Attach a commercially available spring scale to the
steering wheel. With the engine idling and the
vehicle on a clean, dry floor, pull the scale as
shown and read it as soon as the tires begin to turn.
• If the scale reads no more than the specification,
the steering gearbox and pump are OK.
• If the scale reads more than the specification,
troubleshoot the steering system (see page 17-6).
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17-8
Power Steering
Steering Linkage and Gearbox Inspection
STEERING COLUMN
DUST SEAL
BOOT
STEERING GEARBOX
GEARBOX MOUNT CUSHION
TIE-ROD LOCKNUT
TIE-ROD END BALL JOINT
BALL JOINT BOOT
STEERING JOINTS
Inspect for loose
mounting hardware.
Inspect for damage
and deterioration.
Inspect for damage
and deterioration.
Inspect for loose mounting hardware.
Inspect for deterioration.
Check for loose locknut.
Inspect for faulty movement
and damage.
Inspect for damage
and deterioration.
Check for a loose joint bolt, or
faulty movement.
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Special Tools Required
17-9
Pump Pressure Test with T/N 07406-0010001
07406-0010001
6 x 1.0 mm
11 N·m
(1.1 kgf·m,
8.0 lbf·ft)
A
B
07RAK-S040122
07VAK-P8A011A
07VAK-P8A012B
6 x 1.0 mm
11 N·m
(1.1 kgf·m,
8.0 lbf·ft)
A
B
• P/S joint adapter (pump) 07VAK-P8A011A
• P/S joint adapter plate (pump) 07VAK-P8A012B
• P/S joint adapter (hose) 07RAK-S040122
• P/S pressure gauge 07406-0010001
Check the fluid pressure as follows to determine
whether the trouble is in the pump or steering gearbox.
1. Check the power steering fluid level (see page
17-12).
2. Disconnect the pump outlet hose (A) from the
pump outlet with care so as not to spill the power
steering fluid on the frame and other parts, then
install the P/S joint adapter (pump) on the pump
outlet (B) with the P/S joint outlet plate.
3. Connect the P/S joint adapter (hose) to the P/S
pressure gauge, then connect the pump outlet hose
to the P/S joint adapter (hose).
4. Install the P/S pressure gauge to the P/S joint
adapter (pump).
5. Fully open the shut-off valve (A).
6. Fully open the pressure control valve (B).
7. Start the engine and let it idle.
8. Turn the steering wheel from lock-to-lock several
times to warm the fluid to operating temperature.
9. Measure steady-state fluid pressure while the
engine is idling. If the pump is in good condition,
the gauge should read no more than 1,470 kPa
(15 kgf/cm , 213 psi).
If it reads high, check for:
• Clogged or deformed feed or return line between
the pump and steering gearbox.
• 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 over-heating.
11. Immediately open the shut-off valve fully. If the
pump is in good condition, the gauge should read
at least 8,850
9,350 kPa (90
95 kgf/cm ,
1,280
1,350 psi). A low reading means pump
output is too low for full assist. Repair or replace
the pump.
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*01
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Special Tools Required
17-10
Power Steering
Pump Pressure Test with T/N 07406-001000A or T/N 07406-001A101
07406-001000A
or 07406-001A101
6 x 1.0 mm
11 N·m
(1.1 kgf·m,
8.0 lbf·ft)
A
B
07RAK-S040122
07VAK-P8A011A
07VAK-P8A012B
6 x 1.0 mm
11 N·m
(1.1 kgf·m,
8.0 lbf·ft)
A
• P/S joint adapter (pump) 07VAK-P8A011A
• P/S joint adapter plate (pump) 07VAK-P8A012B
• P/S joint adapter (hose) 07RAK-S040122
• P/S pressure gauge 07406-001000A or 07406-001A101
Check the fluid pressure as follows to determine
whether the trouble is in the pump or steering gearbox.
1. Check the power steering fluid level (see page
17-12).
2. Disconnect the pump outlet hose (A) from the
pump outlet with care so as not to spill the power
steering fluid on the frame and other parts, then
install the P/S joint adapter (pump) on the pump
outlet (B) with the P/S joint outlet plate.
3. Connect the P/S joint adapter (hose) to the P/S
pressure gauge, then connect the pump outlet hose
to the P/S joint adapter (hose).
4. Install the P/S pressure gauge to the P/S joint
adapter (pump).
5. Open the shut-off valve (A) fully.
6. Start the engine and let it idle.
7. Turn the steering wheel from lock-to-lock several
times to warm the fluid to operating temperature.
8. Measure steady-state fluid pressure while the
engine is idling. If the pump is in good condition,
the gauge should read no more than 1,470 kPa
(15 kgf/cm , 213 psi).
If it reads high, check for:
• Clogged or deformed feed or return line between
the pump and gearbox.
• Clogged valve body unit.
9. Let the engine idle, and gradually close the shut-off
valve and immediately read the pressure.
Do not keep the shut-off valve closed more
than 5 seconds or the pump could be
damaged by over-heating.
10. Immediately open the shut-off valve fully. If the
pump is in good condition, the gauge should read
at least 8,850
9,350 kPa (90
95 kgf/cm ,
1,280
1,350 psi). A low reading means pump
output is too low for full assist. Repair or replace
the pump.
2
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