What the brakes...stumped

[Bakers dozen]

Hey guys. I am stumped on a odd brake issue.
2006 48v iq with lift I revived this thing back from the dead.

I changed the shoes a few months back and adjusted the tension.

I drive my cart about a half mile to the ball park in the evening with no issues at all. After we get done playing for a few hours the brakes will lock up at the slightest touch. Literally lock up and nearly tossed one of my kids.

I am in nw florida and we get some condensation on everything around 7 pm when the sun goes down .

The other night it was doing it and I thought maybe they were wet and tried a few things. Tapping the brakes very briefly to try and try them with friction. Didn't work. I was trying in the wet grass and they kept locking up.

I put it in reverse and pressed the brake pedal. Stopped as it should. Tried to stop in reverse a few more times with no issue and put it in forward and it seemed to be fine after that.

Recently upgraded rear leafs but I think the problem was still prevalent before that.

Any ideas.

[millersouth]

Sounds crazy but make sure all bolts are tight on lift and bushing are good you do not want any movement with rearend

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[mrgolf]

Your axle is twisting. You may also need longer brake cables. That's the reason I went with the 4 u bolt lift kit.