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Home/Mitsubishi/Lancer Evolution/Mitsubishi Lancer Evolution VIII (2003-2005)/Repair manual/Power Steering - Except Evolution & Sportback/DIAGNOSIS
Contents Section: Power Steering - Except Evolution & Sportback All sections

DIAGNOSIS Mitsubishi Lancer Evolution VIII

Power Steering - Except Evolution & Sportback 3 illustrations ~765 words

DIAGNOSIS

  1. STEP 1. Check for proper oil pump and gear box installation. Q: Is the oil pump and gear box installation correct? YES: Go to Step 2. NO: Repair it. Then go to Step 4 .
  2. STEP 2. Check for interference of other parts with the steering column and power steering hoses. Q: Is there interference? YES: Correct the interference. Then go to Step 4 . NO: Go to Step 3.
  3. STEP 3. Check for noise from inside the oil pump or gear box. Q: Is there noise? YES: Replace the part. Then go to Step 4. NO: Go to Step 4.
  4. STEP 4. Check for rattling noise. Confirm that no noise is generated. Q: Is there noise? YES: Repeat from Step 1 . NO: The procedure is complete.
  1. STEP 1. Check for entry of air. Q: Is the power steering fluid foamy? YES: Bleed the air. (Refer to «POWER STEERING SYSTEM AIR BLEEDING»(/mitsubishi/lancer-evolution/viii-2003-2005/remont/manual-power-steering/#power-steering-except-evolution-sportback__power-steering-system-air-bleeding) .) Then go to Step 3 . NO: Go to Step 2.
  2. STEP 2. Check for seizure in the oil pump. Q: Is there seizure? YES: Replace the part. Then go to Step 3. NO: Go to Step 3.
  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.
  1. Step 1. Check the belt tension. Refer to «9. DRIVE BELT (FOR GENERATOR, POWER STEERING OIL PUMP AND A/C COMPRESSOR)»(/mitsubishi/lancer-evolution/viii-2003-2005/remont/oem-general-information/#general-body-chassis-except-evolution-sportback) . Q: Is the belt tension incorrect? YES: Adjust the belt tension. (Refer to «9. DRIVE BELT (FOR GENERATOR, POWER STEERING OIL PUMP AND A/C COMPRESSOR)»(/mitsubishi/lancer-evolution/viii-2003-2005/remont/oem-general-information/#general-body-chassis-except-evolution-sportback) .) Then go to Step 3 . NO: Go to Step 2.
  2. STEP 2. Check for seizure in the oil pump. Q: Is there seizure? YES: Replace the part. Then go to Step 3. NO: Go to Step 3.
  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.
  1. STEP 1. Check for entry of air. Q: Is the power steering fluid foamy? YES: Bleed the air. (Refer to «POWER STEERING SYSTEM AIR BLEEDING»(/mitsubishi/lancer-evolution/viii-2003-2005/remont/manual-power-steering/#power-steering-except-evolution-sportback__power-steering-system-air-bleeding) .) Then go to Step 4 . NO: Go to Step 2.
  2. STEP 2. Check each hose for crushing or twisting. Q: Is any hose crushed or twisted? YES: Repair or replace the hoe. Then go to Step 4 . NO: Go to Step 3.
  3. STEP 3. Check the steering gear box for damage. Q: Is there damage? YES: Repair or replace the part. Then go to Step 4. NO: Go to Step 4.
  4. Step 4. Retest the system. Confirm that no noise is generated. Q: Is there noise? YES: Repeat from Step 1 . NO: The procedure is complete.
  1. STEP 1. Check the oil pump or oil pump bracket installation. Q: Is the oil pump or oil pump bracket installation correct? YES: Go to Step 2. NO: Repair it. Then go to Step 3 .
  2. STEP 2. Check the oil pump for damage. NOTE: If a slight "beat noise" is produced by the oil pump when the steering wheel is turned fully and held in that position, this is not malfunction. Q: Is there damage? YES: Replace the oil pump. Then go to Step 3. NO: Go to Step 3.
  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.

Scheme 96

Scheme 96: DIAGNOSIS
Scheme 96: DIAGNOSIS

Scheme 97

Scheme 97
Scheme 97

Scheme 98

Scheme 98
Scheme 98
  1. STEP 1. Check for interference of the wheel and vehicle body. If interfering, adjust the steering angle. Place the front wheel on a turning radius gauge and measure the steering angle. Standard value: If the steering angle is not within the standard value, adjust the toe-in. Standard vale: 1 +/- 2 mm (.04 +/- 0.09 inch) Adjust the toe-in by undoing the clip 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: Adjust the steering angle. Then go to Step 3 .
  2. STEP 2. Check the steering gear box for damage. Q: Is there damage? YES: Repair or replace the part. Then go to Step 3. NO: Go to Step 3.
  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.