Why does the steering wheel suddenly feel lighter with no resistance?

[StGrant]

The reasons for the steering wheel becoming lighter include: 1. Electronic power steering system issue: The flow rate of the electronic power steering system affects the steering wheel's weight, leading to poor thermal stability. 2. Control of the electronic power steering system issue: In the circuit controlling the electronic power steering, some components may have changed in performance. When starting the car cold, the system controls a high flow rate for power steering, making the steering feel lighter. 3. Unequal angles issue: Unequal left and right caster or camber angles, unequal left and right body height, unequal left and right tire sizes or pressures, or tire deformation can cause this issue.

[MacValeria]

I've been driving for over 30 years and have encountered situations where the steering wheel suddenly became light and lost resistance several times. That time while driving on the road, the steering wheel suddenly felt light and floaty as if it had no feedback, and I immediately knew there was an issue with the power steering system—it could be a hydraulic steering fluid leak or a faulty electric sensor. If I had continued driving, the response during turns would have been sluggish, increasing the risk of skidding or accidents, which was too dangerous. After pulling over and checking, I found it was a power steering pump leak, and I only felt at ease after getting it fixed. I recommend that if you encounter a similar situation, don't rush to keep driving—safety comes first. During regular maintenance, pay extra attention to the power steering fluid level and the condition of the belts to reduce such unexpected issues. Overall, experience has taught me that timely diagnosis is key to preventing minor issues from turning into major problems.

[LaLane]

Oh no, the steering wheel suddenly became so light with no resistance, it made my heart jump out of my chest. I remember the same thing happened last year on the highway, and it scared me so much that I immediately slowed down and pulled over. The reason could be a failure in the power steering system, such as a malfunction in the electronic power steering module or hydraulic fluid leakage. If ignored, the vehicle might not respond properly during turns, significantly increasing the risk of a collision. When I took it for repairs, I found out it was a broken oil pipe, and replacing it fixed the issue. I strongly advise everyone not to force driving when this happens—handle it safely first, then seek professional inspection. Remember, always keep an eye on the dashboard warning lights when driving to prevent such issues.

[MacLondon]

A steering wheel becoming lighter with no resistance is often caused by power steering issues. The hydraulic system may have an oil leak or a faulty pump; electronic power steering is prone to sensor failures or blown fuses. Loose belts are also a common cause. In such cases, you should safely pull over and stop driving. Check the power steering fluid reservoir level and top it up if necessary; otherwise, call for roadside assistance. Safety comes first—this is a serious hazard, so prompt repair is essential.