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Rear suspension A-arm / ball joint play

flyingpenguin
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flyingpenguin Member

flyingpenguin

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Posted

Replaced the lower control arms (#9 in pic) on all 4 corners a while back, but still noticed rattles when going over cobble stone roads (of which we have a lot here in Europe). Also when lifting off the throttle at speeds over 30/40 kmh, I noticed a vibration coming from the right rear, similar in feel to the rattle when going over rough surfaces, albeit less intense.

 

446220120_Screenshot2021-07-27at12_17_21.png.de261b7e23f7a24b574278e439a4b96f.png

 

Time to replace the a-arm / control arm (#8 in pic), suspecting play in the ball joint. Thought it'd be informative for you guys to see the difference between a good (used) one and the defective a-arm. No subtitles in the video, but you get the gist. The bad one moves ever so slightly, certainly noticeable to the touch..

 

 

Test drive confirms my suspicion that the rear vibration also had its root cause in the a-arm. 🙂

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