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  #1  
Old 05-24-2010, 07:14 AM
TapOut64 TapOut64 is offline
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Default Trailer ball hitch won't release

I have a brand new Wesco trailer that is only 2 months old and I am having a problem getting the hitch to release from the ball. The day I brought it home it seemed to work fine but since then has been a real problem. I've tried different ball heights and currently when hooked to my vehicle the trailer is level. The dealer said to loosen the hitch nut by half a turn which I did with no improvement. I have to jump on my bumper while my wife cranks to get it to release. I even tried a different ball. Any ideas?
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  #2  
Old 05-24-2010, 09:57 AM
Phil T Phil T is offline
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Is it parked so that the trailer is pushing on the ball? That will bind the locking tab in the coupler. Try chocking the trailer wheels and letting the tow rig move forward to take the pressure off that tab.
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  #3  
Old 05-24-2010, 10:13 AM
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are both the ball and the coupler well greased?
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  #4  
Old 05-24-2010, 12:08 PM
TapOut64 TapOut64 is offline
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The locking tab is plenty loose and I have greased the heck out of it. It seems to me that the ball is getting hung up in the front of the hitch. From this pic you can see that it is shaped like a ball and what I think is happening is that it is getting stuck in the forward section. I was thinking of blocking the backs of my trailer wheels and backing up a bit to release it. A quick search on line found a bunch of people with the same problem that I have. Not sure why I'm having this issue on a new trailer.
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  #5  
Old 05-24-2010, 02:30 PM
alanexpup alanexpup is offline
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Hi. I have the same problem sometime and this is what i do. you have to relieve the pressure on the latch. chock the front of the trailer wheels and then pull the tow vehicle forward a hair. then with the wheeled heist on the front crank it up the trailer tongue. the pressure on the latch has to be released. I dont the wrong size ball would cause this problem.
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  #6  
Old 05-24-2010, 05:06 PM
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ffishman ffishman is offline
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Most ball sizes change by only 1/8 of an inch. My guess is yours is wrong.
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  #7  
Old 05-24-2010, 05:18 PM
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Looking at your picture, the movable latch is dropped down, and your trailer should release from the ball if you don't have a load on it from parking on an incline. Is the movable latch in the lowered position when you are having the difficulty, or is it hanging up inside the coupler?
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  #8  
Old 05-24-2010, 08:41 PM
ozarkeyes ozarkeyes is offline
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Get some grease/WD40 on the cross pin that the lower latch jaw rotates on. Your coupler is new and it could also have too tite of tolerance or even burrs that does not let the jaw to rotate smoothly.
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  #9  
Old 05-25-2010, 05:10 AM
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did you turn too sharp and bend the part where the ball goes in ?
I did this once myself when I first got my Yukon, it turns much sharper than my Tahoe and the coupler where the ball goes in got bent a little. I had a heck of a time unhooking the trailer.
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  #10  
Old 05-25-2010, 03:26 PM
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Many good responses.

How about .....Level?
If the hitch ball is higher...so that the trailer is sloping uphill when attached to the tow vehicle, they are hard, if not impossible, to uncouple.
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