Mitsubishi Galant 9G. Manual — part 1515
POWER STEERING DIAGNOSIS
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POWER STEERING
37-10
STEP 2. Check the oil pump for damage.
Q: Is there damage?
YES :
Replace the oil pump. And then go to Step
NO :
Go to Step 3.
STEP 3. Retest the system.
Confirm that no noise is generated.
Q: Is there noise?
YES :
Repeat from Step 1.
NO :
The procedure is complete.
INSPECTION PROCEDURE 8: Squeaking Noise
DIAGNOSIS
STEP 1. Check for interference of the wheel and the
vehicle body.
If interfering, adjust the steering angle.
(1) Place the front wheel on a turning radius gauge and
measure the steering angle.
Standard value:
(2) If the steering angle is not within the standard value, adjust
the toe.
Standard value: 0
± 3 mm (0 ± 0.12 inch)
(3) Adjust the toe by undoing the clip and jam nut, and turning
the left and right tie rod turnbuckles by the same amount (in
opposite directions).
NOTE: The toe will move out as the left turnbuckle is turned
toward the front of the vehicle and the right turnbuckle is
turned toward the rear of the vehicle.
Q: Is the steering angle normal?
YES : Go to Step 2.
NO : Repeat the toe adjustment. And then go to Step 3.
STEP 2. Check the steering gear for damage.
Q: Is there damage?
YES : Repair or replace the part. And then go to Step 3.
NO : Go to Step 3.
STEP 3. Retest the system.
Confirm that no noise is generated.
Q: Is there noise?
YES : Repeat from Step 1.
NO : The procedure is complete.
ITEM
GTS MODELS
OTHER MODELS
Inner wheel
33
°48' ± 2°00'
37
°12' ± 2°00'
Outer wheel
(reference)
28
°18'
30
°18'
AC000756AB
AC305785
AB
JAM NUT
CLIP
POWER STEERING DIAGNOSIS
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POWER STEERING
37-11
INSPECTION PROCEDURE 9: Vibration
NOTE: A slight vibration may be felt when the stationary steer-
ing effort is made due to the condition of the road surface. To
check whether the vibration actually exists or not, test-drive the
vehicle on a dry concrete or asphalt surface. A very slight
amount of vibration is not a malfunction.
DIAGNOSIS
STEP1. Check the tires for out-of-balance.
Q: Is the check result OK?
YES : Go to Step 2.
NO : Balance the tires (Refer to GROUP 31, Wheel and
Tire Diagnosis
).
And then go to Step 4.
STEP 2. Check the fluid level.
(1) Park the vehicle on a flat, level surface, and then start the
engine.
(2) Turn the steering wheel several times to raise the
temperature of the fluid to approximately 50
− 60°C (122 −
140
°F).
(3) With the engine running, turn the wheel all the way to the
left and right several times.
(4) Check the fluid in the oil reservoir for foaming or milkiness.
Check the difference of the fluid level when the engine is
stopped, and while it is running.
Q: Is the check result OK?
YES : Go to Step 3.
NO : Bleed the air (Refer to
). And then go to Step
STEP 3. Check the steering gear for damage.
Q: Is there damage?
YES : Repair or replace the part. And then go to Step 4.
NO : Go to Step 4.
STEP 4. Retest the system.
Confirm that there is no steering wheel vibration.
Q: Is there vibration?
YES : Repeat from Step 1.
NO : The procedure is complete.
ACX01131
WHILE ENGINE
RUNNING
WHILE ENGINE
STOPPED
AB
FLUID FLUCTUATION
POWER STEERING DIAGNOSIS
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POWER STEERING
37-12
INSPECTION PROCEDURE 10: Oil Leakage from Hose Connection
DIAGNOSIS
STEP 1. Check for loosening of the
pressure/return tube flare nut.
Q: Is the flare nut loose?
YES :
Tighten it to 15
± 3 N⋅m (11 ± 2 ft-lb). And
then go to Step 3.
NO :
Go to Step 2.
STEP 2. Check the hose connection and the
clamp installation.
Refer to
Q: Are they correct?
YES :
Go to Step 3.
NO :
Correct hose connection and/or clamp
installation. And then go to Step 3.
STEP 3. Retest the system.
Check that no oil is leaking.
Q: Is there oil leakage?
YES :
Repeat from Step 1.
NO :
The procedure is complete.
INSPECTION PROCEDURE 11: Oil Leakage from Hose Assembly
DIAGNOSIS
STEP 1. Check the hose for damage or clogging.
Q: Is the hose damaged or clogged?
YES :
Repair or replace it. And then go to Step 2.
NO :
Go to Step 2.
STEP 2. Retest the system.
Check that no oil is leaking.
Q: Is there oil leakage?
YES :
Repeat from Step 1.
NO :
The procedure is complete.
INSPECTION PROCEDURE 12: Oil Leakage from Oil Reservoir
DIAGNOSIS
STEP 1. Check the oil reservoir for damage.
Q: Is there damage?
YES :
Repair or replace it. And then go to Step 3.
NO :
Go to Step 2.
STEP 2. Check for overflowing.
Q: Is there oil overflowing from the reservoir?
YES :
Adjust fluid level. And then go to Step 3.
NO :
Go to Step 3.
STEP 3. Retest the system.
Q: Is there oil leakage?
YES :
Repeat from Step 1.
NO :
The procedure is complete.
POWER STEERING DIAGNOSIS
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POWER STEERING
37-13
INSPECTION PROCEDURE 13: Oil Leakage from Oil Pump
DIAGNOSIS
STEP 1. Check the oil pump body for damage.
Q: Is there damage?
YES :
Replace the part. And then go to Step 3.
NO :
Go to Step 2.
STEP 2. Check the O-ring or oil seal for damage.
Q: Is there damage?
YES :
Replace the part. And then go to Step 3.
NO :
Go to Step 3.
STEP 3. Retest the system.
Check that no oil is leaking.
Q: Is there oil leakage?
YES :
Repeat from Step 1.
NO :
The procedure is complete.
INSPECTION PROCEDURE 14: Oil Leakage from Steering Gear
DIAGNOSIS
STEP 1. Check the steering gear housing for
damage.
Q: Is there damage?
YES :
Replace the part. And then go to Step 2.
NO :
Go to Step 2.
STEP 2. Retest the system.
Check that no oil is leaking.
Q: Is there oil leakage?
YES :
Repeat from Step 1.
NO :
The procedure is complete.
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