Good morning All, what service should be done at 150,000 miles on a 2004 Acura Rl ??

 

Yes.
http://owners.acura.com/vehicles/inf...004/RL/manuals

 

Unless you know the complete service history, i would suggest changing all fluids with honda products. Tranny, radiator, brakes, steering,differential.

At every 100k, timing belts and water pump should be replaced. 50-75k, shocks should be replaced. Batteries every 5 years.