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.
2004 SVT: bewst'd!
2010 Escape 3.0 V6
2004 F350 6.8L V10
1986 XR4Ti 2.3L Turbo, 15 psi
2007 ST ; formally bewst'd - R.I.P