Lock Cylinder Won't Release on the Trailer Hitch Receiver Lock Part # BD580404

Updated 08/27/2018 | Published 08/24/2018

Question:

I have a bulldog pin hitch lock. I have the key and the pin button pops out but its not releasing the the main sleeve. Its barely used at all, and Ive sprayed lubrication everywhere I can get it. Any other help will be greatly appreciated.

asked by: Jared

Helpful Expert Reply:

It sounds like the ball plunger on the shaft of the Bulldog Trailer Hitch Receiver Lock part # BD580404 has become seized up which would either be from rust of dirt/grime. In order to free the lock cylinder you will want to try tapping it with a hammer while rotating it back and forth if possible. You may then also need to latch onto the lock cylinder with a pair of vice grips and use some heat in order to remove it. I recommend applying some grease to the ball plunger before reinserting the lock cylinder.

expert reply by: Conner L