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Listen for steering whine noise with the vehicle parked, transmission in neutral and all 1. 1. Engine speed at 1800 +/- 50 rpm with no steering action. 2. 2. Engine speed at 1800 +/- 50 rpm with slow 90 degrees turning of the steering wheel. 3. 3. Engine speed at 3000 +/- 50 rpm with no steering action. 4. 4. Engine speed at 3000 +/- 50 rpm with slow 90 degrees turning of the steering wheel. Power Steering Hiss Noise Test Condition Listen for steering hiss noise with the vehicle parked, transmission in neutral and all Symptom Possible Sources Action Power steering system whine noise – a Power steering BLEED the power steering Power Steering System Bleeding (211-00 Steering System - General Incorrect power FLUSH the power steering Power Steering System (211-00 Steering System - General Overheated power FLUSH the power steering Power Steering System (211-00 Steering System - General Hydraulic Certain amount of noise level Symptom Possible Sources Action NOTE: Engine speed at idle turning the steering wheel Power steering system hiss noise – a high frequency, Floor seal. CHECK the Power Certain amount of Power Certain amount of |