Car keeps pulling to the right at high speed, above 40 mph. Car has been to alignment service and all tires inflated properly. This happens on every trip. Cannot diagnostic the root cause. Suspecting the Steering Rack is the issue.
Steering
Lexus GS Steering problems by year
8 complaints filed with NHTSA about the Lexus GS's steering. Loss of power steering, stiff or loose steering, wandering, column and rack problems.
Steering complaints by model year
Latest GS steering complaints
I am experiencing a persistent and potentially hazardous steering issue with my 2016 Lexus GS 350 AWD (Luxury Package). At highway speeds (typically 60 mph and above), the steering exhibits a distinct "sticky" or "notchy" sensation around the center position. Specifically, the steering wheel resists small corrective inputs when driving straight and appears to "stick" in place before releasing and allowing directional change. This results in delayed response when attempting to maintain lane position and requires...
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greater-than-normal force to overcome the initial resistance. The condition becomes most noticeable after continuous driving at highway speeds and compromises the vehicle's ability to respond predictably in situations requiring quick or fine steering adjustments. The issue does not trigger any warning lights or diagnostic codes, and it persists despite the installation of new tires and a professional alignment. Due to the impact this issue has on steering precision and overall highway safety, I am requesting NHTSA review this concern as a potential defect. Lexus has not issued a recall for this problem, and it poses a risk to safe vehicle operation at high speeds.
When driving at highway speeds (65mph-75mph) the steering rack in Lexus gs350 (4th generation models) will seem "sticky" on "swooping turns". A slight jerk is the only way to get out of this sticky feeling. The steering racks have been a major issue with these cars and seem fairly frequent to malfunction. I personally think, considering safety standpoint, the steering rack should be recalled. This issue is very prevalent in many Lexus/toyota models with electronic steering racks (not just the gs350 model) This is my 3rd GS350 (2nd one with this same issue all 4th gen's)
1. Steering gear rack 2. The steering wheel feels like it slightly locks in place when changing lanes on the highway. This requires more force than usual to turn the steering wheel back straight, which could cause an accident. It feels like the steering wheel has to go over a notch to get the steering wheel back straight. 3. No. It is a known obvious issue. 4. No. It is a known obvious issue 5. No
The system which has intermittent failure on my 2017 Lexus GS350 is the lane keeping assistance safety option. The system seems to work almost perfectly on straight highways. But highways with curves seem to fail at about a 50% rate and human intervention is quickly required. The car is available for inspection and demonstration of the system failure on a nearby winding road. My safety and my wife's safety were put at risk when I realized that my car was heading for a curb and not making ANY correction. I have...
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not taken it to a dealer or any other kind of diagnostic facility. It has not been inspected by the manufacturer, police, or insurance company or anyone else. The system only has an amber warning on the dash when it detects no human inputs to the steering wheel or (I think) pressure on the steering wheel rim. There is also a dash warning when the system detects left/right lane marking swerves and it flashes "Stop for a Rest". I bought the car as a Lexus Certified Used Car just after hurricane Ian here in southwest Florida after my previous Lexus got flooded. Early on I noticed the lane departure and the lane assist on some rare instances did not respond properly. Since the car did not come with any owner manuals I could not determine whether I had not set the systems properly or not. And since the hurricane, I have not traveled long distances frequently with the car to determine a failure pattern. My son has a Lexus with similar features too but does not trust them. He said to have the dealer disable them.
The contact owns a 2014 Lexus GS450. The contact stated that while driving at various highway speeds, the electric power steering assist failed to operate as needed, causing the steering wheel to become stuck. The steering wheel became difficult to turn in either direction. The vehicle was taken to the local mechanic who replaced the alternator, but the failure persisted. The local dealer and manufacturer were notified of the failure, but no assistance was provided. The failure mileage was 141,000. The VIN was not available.
You can feel the steering wheel stiffen and lock into place at highway speeds requiring some force to unbind it and turn.
STEERING WENT OUT. *TR
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data