Why This Power Steering Pump Whined After Fluid Change: A Suction Line O-Ring Failure
The whine appeared within 90 seconds of completing a power steering fluid flush on a 2014 Toyota Camry 2.5L with 87,000 miles. We assumed the pump had been damaged during service. It had not. A cracked suction line O-ring was drawing air into the pump inlet, and the resulting cavitation raised noise from a baseline […]