For TSX projectors you put a washer between lens and the reflector at the bottom. So basically it would be the reflector assembly then the washer then the lens assembly. There is a graphic I saw which explained it, let me find it.
2012 Fusion SE 3.0L V6
'86 XR4Ti ; 2.3L Turbo, 15psi
1988 F150 Custom
'07 ST ; formally bewst'd - R.I.P
D23 Crew: #07