If it's the same as my one it's in 3 parts. there should be a roll pin at each end of the larger diameter centre section - you need to get those out and the 2 ends will pull out (eventually as they will prob be rusted in!!)
Take the roll pin out of the end that's on the outer side of chassis, I then heated cleaned and sprayed that end up an prised it off, then pulled the rod out through the inner side of chassis with the inner end still attached, hope thus helps!