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Trailer Coupler Will Not Release Hitch Ball Even After Lubrication


I just went and got another pop up trailer b/c I needed two. Just got home and cannot get it off the ball. I tried cranking it and releasing the latch at the same time but as I crank, it is lifting the back end of the car along with the coupler. I tried moving the car a little forward and reverse. Still stuck. I tried prying it off with a bar. It just stays stuck. Tried spraying it on top and underneath with WD-40. I really need my car. Hope you can answer this soon.


Expert Reply:

I see you have tried the usual fixes for a coupler that won't release the hitch ball - moving the vehicle slightly to potentially release excess tension on the ball, lubrication with WD-40 and even a little brute force with the pry bar.

You can also first make sure the trailer is supported, and then remove the hitch pin from the ball mount and move the truck forward. This will ensure there is little or no tension on the ball/coupler.
This will also give you more room to work and free up the vehicle for use.

We have also seen the need to use a screwdriver and a hammer to knock the wedge backwards/up while someone else holds the lever in the open position or while they also pulled on the lever.

Once you get the ball free of the coupler I recommend that you apply ball grease # 58117.

Naturally, be sure to use the correct matching hitch ball size for the coupler. Some couplers will not have an issue using a 2-inch ball like # 63845 even if they are intended for a 1-7/8-inch size like # 19256, but others may not function properly.

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