I mentioned this in a previous post, but wanted to start fresh. My 2009 Vibe GT (2.4l 2az-fe engine) had been vibrating at idle since I've owned it. I finally replaced the last of four mounts (top passenger side torque mount) and started her up. The car was glass-smooth through all RPMs... for about an hour. Over the course of about four days, it had gradually reverted back to vibrating just like it was-no better or worse. I wish I had a picture of the new mount, but it looks just like the old one now. The rubber cylinder was firm and concave when new, but now it's protruding like a bubble just like the old one. It's especially disappointing since I got a brief taste of a smooth running car for the first time in the ten months I've owned it. The mount is OEM Toyota. It seems unlikely I just got a dud, but I can't imagine why it would work so well for such a short amount of time. Any ideas why this would happen? I'm beyond frustrated at this point. Here's a pic of the old mount if it helps.
Top:
Bottom: (the black rubber cylinder in the middle is what is bulging on the new mount-I pushed this one back in)
Top:
Bottom: (the black rubber cylinder in the middle is what is bulging on the new mount-I pushed this one back in)
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