Rust was a serious issue for the XB. It was a solid performer and the engine would often outlive the shell of the car. Leaks were also common around the firewall.
XA – XC Falcon Workshop Manual
Earthing issues
Electrical issues
Rust in door sills and in bottom corners of doors and around windshields
Water entering boot and cabin
Water entering in between door and rusting out locking mechanisms and window winding mechanisms
Leaking around the firewall
Poorly functioning light switch
Fuel pump issues
