antifreeze leak on 1994 Lexus ES300

i just change the radiator wate belt timing belt and my car still leaks antifeeze and sometimes my car will fill like its decresing speed and the o/d light flashes on and off then stays off what else could it be

1 answer
I can tell you that the flashing O/D light is telling you that the computer has detected a fault in the transmisson. As far as the other problems, leaking coolant, etc. I'd say find a Toyota or Lexus specialist.
Here's a directory link for you:
http://repairpal.com/directory?address=19145&car_brand_names=Lexus