Does anyone know a detailed way on how to remove the whole headlight assembly ?

 

You need to pull the front bumper on 2004+ to get to the headlight assembly. Doable, but take your time as those clips break easily. PM your email address and i'll send you a write up on front bumper removal that I found either here from another helpful soul or elsewhere else.

 

Better yet, found a way to post as a pdf here. Good Luck!

 

No need to remove the entire bumper, see: https://www.clublexus.com/forums/ls-...headlight.html

I tried to show the step by step at post #15. Mine is an 04.

 

this sucks. i have a bulb out. bought some Osram bulbs, but light still isn't working. so i'm thinking it's the ballast. and looks like i have to remove the bumper to get the headlight out. thanks BCT for posting that. i read that somewhere before, but couldn't find it.

 

not sure if the original poster was able to use the info in the link, but it's spot on. got my driver's side head light out fairly easily. it's time consuming, but not hard. ends up my passenger light has 2 broken brackets, so one bolt & popped out without even loosening the passenger side of the bumper. since the passenger side was secure with one bolt, i left the bolt under the bumper out. in case i need to get in there again. not sure if i will still need to loosen the bumper.