Fitment for the 2003 Lexus LS 430 is exact here: the manual is matched to this year, to the 4.3L V8 (3UZ-FE) that powers it, and to the single trim Lexus sold, so every clearance, torque value and service interval it states is the one Lexus published for this car rather than a figure carried over from an adjacent model year.
Engines
- 4.3L V8 GAS Naturally Aspirated
Trims
- Base
Known issues on the 2003 LS 430. No recalls are on federal record for the 2003 LS 430. Owners have filed 25 complaints for the year, and no technical service bulletins are on file for it. The diagnostic and repair procedures behind the systems those owners report on are here.
From chasing an owner-reported fault to a scheduled service on the 3UZ-FE, it keeps you on the OEM procedure and the correct specification for this 2003 LS 430.
Lexus Safety Recall and Service Campaign - Technician Certification Requirements 4.13.2022
TSB: This Service Bulletin includes procedures to replace damaged or loose front carpet floor retainer(s) without replacing the carpet assembly. Follow the Repair Procedure in this bulletin to replace the loose or damaged carpet floor retai
POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Lexus. This information must be kept near the point of vehicle sale and be available to any custome
Brake Pedal Force Gauge SST for Parking Brake Inspection.
Techstream ECU Flash Reprogramming Procedure.
Immobilizer and Smart Key Reset.
Immobilizer and Smart Key Reset
Immobilizer and Smart Key Reset
Showing the 8 most recent of 64 technical service bulletins on file with NHTSA.
I WAS INVOLVED IN A COLLISION. THE FRONT OF MY CAR MY MADE FULL CONTACT WITH THE REAR OF THE CAR IN FRONT OF ME. I WAS TRAVELING AT LEAST 25 MPH IF NOT MORE BEFORE IMPACT. THE IMPACT RESULTED IN $10,000 IN DAMAGE TO THE FRONT OF THE LEXUS AND IT WAS DECLARED A TOTAL LOSS. THE LEXUS WAS DAMAGED FROM HEADLIGHT TO HEADLIGHT AND THE AIRBAG(S) DID NOT DEPLOY. THE HOOD ALSO SUSTAINED DAMAGE AS WELL AS THE RADIATOR, YET THE AIRBAG(S) DID NOT DEPLOY.
TL*THE CONTACT OWNS A 2003 LEXUS LS430. THE CONTACT WAS DRIVING APPROXIMATELY 35 MPH ON NORMAL ROAD CONDITIONS; PRESSURE WAS APPLIED TO THE BRAKE PEDAL WHICH TRAVELED TO THE FLOOR. THE VEHICLE FAILED TO SLOW DOWN. THE VEHICLE CRASHED INTO THE PROCEEDING VEHICLE. THE POLICE WAS CALLED TO THE SCENE. A POLICE REPORT WAS FILED. THERE WERE NO PERSONAL INJURIES. THE VEHICLE WAS TOWED TO THE POLICE IN-BOUND AND THEN TO AN AUTHORIZED DEALER. THE VEHICLE HAS NOT BEEN REPAIRED AT THIS TIME. THE INSURANCE
TL* THE CONTACT OWNS A 2003 LEXUS LS430. THE CONTACT STATED THAT WHILE ENTERING INTO A PARKING SPACE WITH HER FOOT ON THE BRAKE AT 5 MPH, THERE WAS SUDDEN ACCELERATION AND THE VEHICLE CRASHED INTO A BUILDING. NO ONE WAS INJURED AND THE VEHICLE WAS DESTROYED. THE POLICE WERE CALLED AND A REPORT WAS FILED (#2771757). THE DEALER WAS CONTACTED WHO OFFERED NO ASSISTANCE. PRIOR TO THE ACCIDENT, THERE WAS AN ELECTRIC FAILURE. THE DEALER WAS CALLED WHO STATED UNLESS THE VEHICLE CONTINUED TO HAVE THE FAI
FAILURE OF REAR TRUNK STRUTS CAUSING TRUNK TO COME DOWN SHARPLY ON BACK OF MY HEAD CAUSING PAIN AND BRUISING. THE SAME HAPPENED TO MY WIFE ON TWO OTHER OCCASIONS. APPROXIMATE DATES GIVEN BELOW AS FORM DOES NOT CONFORM TO SEVERAL DATES. *TR
I OWN A 2003 LEXUS LS430. I WAS OPENING MY TRUNK LID AND WHILE LEANING INTO THE TRUNK, THE TRUNK LID CAME DOWN ON MY BACK. THIS CAUSED A BAD BRUISE ON MY BACK AND A LOT OF PAIN. THE TRUNK STRUTS HAVE FAILED. *TR
HYDRAULIC TRUNK SUPPORTS FAILED, WITH HEAVY TRUNK FALLING ON HEAD OF PERSON WORKING IN TRUNK. MAY HAVE CAUSED A CONCUSSION, AT LEAST A GROOVE IN TOP OF HEAD. PERSON STUNNED FOR SEVERAL MINUTES. IF THE TRUNK HAD HIT PERSON IN THE BACK WHILE LEANING OVER INTO THE TRUNK, IT MAY HAVE BROKEN A VERTEBRAE. IF IT HAD HIT FINGERS IN LOWER PART OF TRUNK, IT MAY HAVE CHOPPED THEM OFF, PARTICULARLY A CHILD'S. THESE HYDRAULIC SUPPORTS WORE OUT AT AROUND 60-70 THOUSAND MILES. NOT REALIZING THE DANGER, I
TRUNK STRUTS FAILED TO HOLD THE TRUNK IN AN OPEN POSITION, CAUSING THE TRUNK TO FALL AND INJURE A PERSON. MULTIPLE TIMES. TRUNK WAS PROPERLY OPENED AND RAISED TO A FULL OPEN POSITION. *TR
TRUNK STRUT FAILED AFTER ONLY ABOUT 3 YEARS. MY DAD GAVE ME THE CAR AND HE WAS JUST WILLING TO LIVE WITH IT, AS HE IS VERY ILL THE CAR HAD PASSED THE 4-YEAR, 50,000 MILE POINT, BUT I WAS STRUCK BY THE FALLING TRUNK AND WISH IT REPAIRED. *TR
CONSUMER STATES 4 1/2 YEAR OLD CHILD UNLOCKED THE SEAT BELT WHILE GETTING OUT. THE SEAT BELT HAD TIGHTEN AROUND THE CHILD'S NECK, AND THE CONSUMER HAD TO CUT THE SEAT BELT TO GET THE CHILD OUT AS IT CUT OFF HIS BREATHING. *AK THERE WAS NO RELEASE BUTTON WHICH COULD ALLOW HIM TO ESCAPE ONCE THE BELT TIGHTENED. *SCC *JB
THE PISTON-LIKE AIR STRUTS THAT ARE SUPPOSED TO HOLD THE REAR TRUNK LID OPEN ON MY 2003 LEXUS LS 430 (BOUGHT NEW IN DECEMBER 2002) SLOWLY STOPPED FUNCTIONING STARTING AROUND 4 YEARS AGO. NOW THEY DO NOT WORK AT ALL. WHILE THIS IS AN INCONVENIENCE TO HAVE TO OPEN THE TRUNK MANUALLY, THE REAL DANGER IS THAT ARE NO PROVISIONS TO HOLD THE TRUNK LID IN THE OPEN POSITION. THUS, EVEN A LIGHT WIND OR VIBRATION CAUSED BY PASSING VEHICLES WILL CAUSE THE TRUNK TO TEETER OFF THE OPEN POSITION AND SLAM SHUT.
CENTER CAP ON WHEEL FELL OFF; DEALER AND MANUFACTURER REFUSE TO HONOR NEW CAR WARRANTY. *JB
POOR RADIO RECEPTION ON MARK LEVINSON SOUND SYSTEM. *AK
SEVERE LOSS OF POWER (TRANSMISSION HESITATION) DURING FULL-THROTTLE DOWNSHIFT. THIS COULD CAUSE AN ACCIDENT WHEN IMMEDIATE POWER IS NEEDED, SUCH AS ENTERING A HIGH-SPEED EXPRESSWAY. *JB
TRUNK SUPPORT STRUTS NOT FUNCTIONING APPROPRIATELY, CAUSING TRUNK LID TO ABRUPTLY FALL AND INJURING ANYTHING IN THE PATH OF CLOSURE. WE NOTICED THE INCREASING LACK OF ABILITY TO HOLD THE LID OPEN, NEVER UNDERSTANDING THAT IT ACTUALLY WAS SUPPOSE TO ALSO LIFT THE LID (IT NEVER DID LIFT THE LID AND WE HAVE OWNED THE CAR FOR FOUR YEARS/ 45,000 MILES) AND COULD HAVE BEEN POTENTIALLY REPLACED DURING THE WARRANTY PERIOD (SEEMS LIKE EARLY LIFE FAILURE). WHEN ASKING THE DEALERSHIP SERVICE ADVISOR HE SAI
RE: 2003 LEXUS LS 430 THE PISTON SUPPORTS THAT HOLD THE ENGINE HOOD IN PLACE, IN ORDER TO CHECK THE ENGINE COMPARTMENT, HAVE DETERIORATED OVER TIME SO THAT THE ENGINE HOOD CAN SUDDENLY SLAM DOWN, SERIOUSLY INJURING ANYONE WHO IS CHECKING THE ENGINE OIL, COOLANT, ETC. I ALMOST WAS SERIOUSLY INJURED WHILE CHECKING THE OIL. IN ADDITION, IT IS THE SAME TYPE OF PISTON SUPPORTS THAT HOLD THE TRUNK OPEN. THESE TOO, ARE ALSO DEFECTIVE. MONTHS AGO I ALMOST LOST A FINGER WHEN THE TRUNK LID SUDDENLY
Showing the 15 most serious of 25 complaints filed with NHTSA.
