Originally Posted by
Clipper801
AFAIK Air Asia does not interline bags. So there is no option for you except to clear full arrival formalities, pick up you bag and go to check in at Air Asia landside, go through full departure security and immigration formalities again. 1h 45m is extremely tight.
Even if you do not have checked bag, I don't think Air Asia has a counter at the airside transfer desks.
United does, and that's all that matters in the OP's case.