There are 2 owner-reported engine complaints for the 2014 Lexus GXin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
Faulty coolant valley seal leaking coolant all over the motor.
MY CAR 2014 GX 460 WITH 76000 MILES HAS TIMING CHAIN COVER LEAK AND IT APPEARS IT IS COMMON FAILURE FROM MANUFACTURE OF TOYOTA AND LEXUS AND LEXUS REFUSED TO REPAIR IT , MY CAR IT IS ONE OF 1000S CAR HAS SAME PROBLEM AND LEXUS KNOW THIS IS MANUFACTURED PROBLEM
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026