One problem related to brake disc caliper has been reported for the 1998 Lexus GS300. The most recently reported issues are listed below.
Rear brake pad "pins" dislodged which was caused by the rear brake caliper plate for brake pads to fall off. The result was nothing holding the brake pad in place. Newer models have a retaining pin that holds the brake pad pin in place.
| Brake Electric Antilock problems | |
| Brake Master Cylinder problems | |
| Power Assist Brake Vacuum problems | |
| Brake Light On problems | |
| Brake Disc Caliper problems |