Grease leaks from lower ball joints.

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What's the warranty on these things? There is supposed to be a relief valve at the bottom, but it seems like the grease comes out before the boot even expands at all.
 
https://images.search.yahoo.com/search/images;_ylt=A0LEVw1KNeVZUCYAAxNXNyoA;_ylu=X3oDMTE0ZXVidmp0BGNvbG8DYmYxBHBvcwMxBHZ0aWQDQjM5MTlfMQRzZWMDcGl2cw--?p=moog+ball+joint+pressure+relieft+valve&fr2=piv-web&fr=yfp-t#id=46&iurl=http%3A%2F%2Fwww.aftermarketsuspensionparts.com%2Fimages%2FK3199%2FK3199%2520MPS.jpg&action=click
 
Kind of dumb, but I guess it's a good way to change out the grease. lol They show the relief valve right about where the grease leaks out.
 
Yes it's a good idea. I have Moog ball joints, but mine don't have the relief valve. I gotta be careful not to over grease them or they'll bust.
 
My Moog joints for my F150 have the "relief valve" on them. As said, the instructions (yes, I read them) say to point them inboard away from the rotor.

As for completely getting all the old grease out each time, no, you should do it till clean grease starts coming out the relief (usually 4-5 squirts every 5000 miles does it for me, the first 2 are just priming everything up, the last 3 are actually pushing old grease out).
 
Originally Posted By: motor_oil_madman
What's the warranty on these things? There is supposed to be a relief valve at the bottom, but it seems like the grease comes out before the boot even expands at all.

Probably was over greased at some point. I wouldn't grease them to the point where the boot balloons out anyway. Unless it is torn, I wouldn't worry.
 
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