Quote:
Originally Posted by clutch1
The upper strut mount has a large ball bearing that gets sandwiched between the top of the spring and the bottom of the metal plate that bolts to the car's body. This allows the bottom of the strut to rotate with the knuckle when steering, but the top doesn't since it's fixed the body.
These ball bearings get water in them and rust out sometimes, and won't rotate freely. Simple as that. The other side may not have gotten water in it, who knows, it could be on its way out, too.
The popping you hear is the spring getting tension trying to turn, then when it finally goes "pop" it just did turn like it was trying to.
You just gotta pull the strut, compress it (if you don't wanna die), remove the nut from the top, pull off everything above the strut and replace it, put it all back together and back onto the car.
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I agree. Still sounds like a problem with the upper strut mount and the bearings in there. How confident are you with the mechanics at this shop?
I hope you didn't replace the ball joints for no reason.