2014 Lexus LS

1. Component is a sealant on the valley plate that covers a coolant passage, discovered when cabin heat not providing heat. 2. Coolant valley leak can lead to severe engine damage and mechanical failure, potentially causing the vehicle to stop working and increasing the risk of accidents. 3. Open sources appear a coolant valley leak is common with Lexus LS & GX 460, LX 570, "F" series cars and LC 500 models, and is an expensive repair from being labor intensive. 4. The vehicle has been inspected by the Lexus dealership.

The contact owns a 2014 Lexus LS 460. The contact stated that while driving approximately 35 MPH, the ABS and several other warning lights illuminated, with a message to “Stop Driving Vehicle” displayed. The contact had taken the vehicle to an independent mechanic, where it was diagnosed and determined that the ABS actuator needed to be replaced. The mechanic referred the contact to a dealer for assistance. The vehicle was not repaired. The contact stated that while depressing the brake pedal, the brake pedal was soft. The manufacturer was informed of the failure. The contact researched online and related the failure to TSB: L-SB-0009-23 (Service Brakes, Hydraulic). The failure mileage was approximately 80,000.

Brake booster squeaks while in cool or cold weather