Quote:
Originally Posted by Ghost-Flame
Yup, sounds like a broken motor mount. Never had one in the X but had sveral in Fords and VW's I've owned and what you describe is exactly how those that failed on me acted. The quick jolt of rpm torques the engine away from the broken mount. I would replace both because of stress on the non broken mount.
This can be a DIY I believe you can use a jack to lift the engine to get at the motor mounts, but, I'm not sure. Also an engine lift will work if you have access to one.
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Had the same thing on my last Lexus. I'm hard with the go pedal. So once the vibration started, turning on the AC makes the vibration much less. At that point, I start checking mounts. I bought my last car with 74k miles. Replaced mounts at 84k, and then again at 130k.
Yea I am pretty sure I am going to do this myself. My bud has a shop, so I just need to get in there when the lifts are free, and he will even help me with it. As a matter of fact, he actually has 1 new mount, a used amp, and pass window regulator that he is giving me. Yay.
Doing all 3 mounts for sure. Don't want to be diagnosing the next vibration and thinking, maybe it's the other mounts.