The contact owns a 2017 Lexus RX350. The contact stated that upon a cold start, an abnormal knocking sound was coming from the right side of the engine without warning. The contact stated that the knocking noise became louder upon shifting gear but would cease once the engine was warmed up. The contact also noted that the brake pedal was firm while depressing the brake pedal. There was an unknown brake warning message displayed. Upon investigation, the contact discovered NHTSA Campaign Number: 18V211000 (Service Brakes, Hydraulics) which he linked to the failure. The dealer was notified of the failure and informed him that the vehicle was not under recall. The dealer provided an estimate for the repair. The manufacturer was notified of the failure and provided a case number. The vehicle was not repaired. The failure mileage was approximately 25,800.

- Yonkers, NY, USA

The contact owns a 2017 Lexus RX350. The contact stated that while driving at various speeds, the vehicle hesitated upon depression of the accelerator pedal, without warning. The contact had taken the vehicle to the dealer and was informed that the vacuum pump was defective and needed to be replaced. Upon investigation, the contact discovered NHTSA Campaign Number: 18V211000 (Service Brakes, Hydraulics) which she linked to the failure. The manufacturer was also notified of the failure and the contact was given a case manager. The vehicle was not repaired. The failure mileage was approximately 24,000. The contact stated that the vacuum pump was replaced at their expense and is requesting a reimbursement. The vehicle always had issues with the vacuum pump ever since the contact purchased it in 2021. The contact claims that they were told that the vacuum pump issue was normal. The 65k warranty of the vehicle had expired before the problem was dealt with.

- Atlanta, GA, USA