Lexus GX owners have reported 13 engine and engine cooling related problems since 1996. Table 1 shows the 4 most common engine and engine cooling problems. The number one most common problem is related to the vehicle's engine and engine cooling (9 problems). The second most common problem is related to the vehicle's radiator (2 problems). For details of each of the problem category, use the links in the table.
| Problem Category | Number of Problems |
|---|---|
| Engine And Engine Cooling problems | |
| Radiator problems | |
| Engine Exhaust System problems | |
| Engine Oil Leaking problems |
Vehicle experiences a persistent and abrupt harsh downshift (jerk/thud) specifically during 2nd-to-1st gear transitions when rolling to a stop. This issue persists despite the dealership performing the recommended transmission control module (tcm) software update at 5,000 miles. Read details...
During inspection, technician noted coolant reservoir very low. Technician traced coolant leak to valley seal. Recommend to replace noticed before performing coolant replacement found the reservoir was near empty indicating a leak in the system. Read details...
A clunking noise happens almost all times when come to a complete stop. My wife reported problem to different dealers and problem has not been resolved excessive odors smell like rear brake pads burned. Reported to different Lexus without being fixed until now. Read details...
The timing cover gasket began to leak oil at 65,000 miles. This is a known manufacturing defect for this engine. Read details...