We don't have a lot of Lexus RX 350 cooling system problems on file — feel free to add yours here. The most common RX 350 cooling system problems cost $1,600 to fix & occur at 71,000 miles. Click on a year below.

Worst Cooling System Problems
water pump leak 2007 Lexus RX 350
water pump leaking 2009 Lexus RX 350
leaking coolant 2008 Lexus RX 350