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POWER STEERING DIAGNOSIS TSB Revision POWER STEERING 37-7 INSPECTION PROCEDURE 2: Difficult Steering Wheel Operation (Insufficient Power Assist) DIAGNOSIS STEP 1. Check the power steering oil pump drive belt Check . Q: Is the power steering oil pump drive belt tension within the standard value? service − Drive belt tension check ). Then go to Step 10. STEP 2. Check the drive belt for damage. YES : Replace the drive belt (Refer to GROUP 11A − On-vehicle service − Drive belt tension check NO : Go to Step 3. STEP 3. Check the fluid level. 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 ). Q: Is the fluid foamy? YES : Go to Step 4. STEP 4. Check for entry of air. NO : Go to Step 5. STEP 5. Check each hose for crushing or twisting. YES : Repair or replace the hose (Refer to ). Then go to Step 10. NO : Go to Step 6. AC608306 With engine stopped AC Fluid level change: Within 5 mm (0.2 in) With engine running |