Creaking Type Noise From Front Suspension on Lexus GS400

A creaking type noise may develop from the front suspension when driving over uneven road surfaces. Our technicians recommend inspection of the front sway bar bushings for deterioration and related hardware for correct tightness.

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Average mileage: 169,645 (133,845–246,000)
3 model years affected: 1998, 1999, 2000
11 people reported this problem
5 people shared problem details
1999 Lexus GS400180,000
Problem: creaking and later popping noises from front end when driving over uneven roads and speed bumps. There was also some front end instability which showed up as a tendency to wander slightly on freeways. I was concerned about worn ball joints which can be very dangerous if there is a failure at high speed. A reputable car shop told me they were fine, but the noise worsened so I replaced them myself with new ball joints purchased from a Lexus dealer. The old ones were hard to get out, and I had the car re-aligned after the repair. The old ball joints were VERY worn with a lot of looseness and play. After replacing the ball joints all the front end problems disappeared. No more creaking, no popping and steering stability was fully restored.
1998 Lexus GS400151,000
Only does this from time to time depending on road surface. I'm sure my entire suspension is still all original, I really can't complain.
2000 Lexus GS400156,000
i replaced sway bar bushings 20k miles ago, along with most front end parts. mechanic suggested rack/pinion bushings is the problem. Planning to get it inspected by master mechanic
2000 Lexus GS400133,845
loud squeaking noise on the front end
I have been hearing this type of creaking noise lately. It doesn't happen constantly, but I do need to get it checked out.
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