Absolute Red Posted April 4, 2015 Share Posted April 4, 2015 Hi - Been thinking on this one and I'm stumped! 04 IS300. 158,000 mi and it is stunning! When turning into driveway and slowly accelerating up - the entire chasis shudders. It's been happening for 3 months from winter to spring. From Winter tires to summer tires on original wheels. Does not happen on medium or hard acceleration. Brake torque does not cause the shuddering. I think that I'm ruling out wheels, tires, motor mounts and U joints. (I think). It only happens at when starting off from a stop - more load like a turn increases the effect. Would appreciate ideas!!! Quote Link to comment Share on other sites More sharing options...
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