Fitment for this 2004 Lexus LS 430 service and repair manual is locked to the one powertrain the car was built around, the 4.3L V8 (3UZ-FE), so every clearance, torque value and service interval it lists is what Lexus specified for this model year rather than a figure averaged across the LS 430's production run.
Engines
- 4.3L V8 GAS Naturally Aspirated
Trims
- Base
Known issues on the 2004 LS 430. Two recalls are on federal record for this model year. The first involves the fuel pump: the impeller inside the pump may have been improperly molded due to a manufacturing error, and alcohol in some fuels may deform that impeller, a condition that could increase its rotational resistance. The second involves the automatic transmission: when the accelerator is operated quickly, a small piece of metal may separate from a retaining collar located in the inner part of the transmission, which may cause the parking lock system to be inoperative. Owners have filed 36 complaints for the year and Lexus has issued 44 technical service bulletins. The diagnostic and repair procedures behind each of those systems are here.
Whether the job is a fuel delivery diagnosis, a transmission inspection or a scheduled service interval, it holds you to the OEM procedure and the correct specification for this 2004 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 58 technical service bulletins on file with NHTSA.
SUDDEN UNCONTROLLED ACCELERATION OF 2004 LEXUS LS430: OWNER WAS IN PARKING GARAGE BEGINNING TO EXIT GARAGE FROM PARKING PLACE WHEN LEXUS SUDDENLY ACCELERATED UNCONTROLLABLY. OWNER APPLIED BRAKE PEDAL BUT COULD NOT STOP THE LEXUS. OWNER STEERED LEXUS TO AVOID HITTING OTHER VEHICLES AND COLLIDED WITH MEDICAL OFFICE BUILDING, GLANCED OFF SIDE OF BUILDING AND COLLIDED HEAD-ON WITH ELECTRICAL POWER TRANSFORMER. OWNER WAS SERIOUSLY INJURED. (LAWYER WROTE IN ON BEHALF OF HIS CLIENT). UPDATED IVOQ
UNINTENDED ACCELERATION. AS I WAS PARKING THE VEHICLE SUDDENLY ACCELERATED AND JUMPED THE CURB AND RAN INTO THE BUILDING. I TRIED TO BACK OFF THE BUILDING AND COULD NOT STOP THE RACING ENGINE. THE VEHICLE SHOT BACKWARDS EVEN THOUGH I WAS ON THE BRAKE. IT WENT THROUGH SOME HEDGES OVER A RISE AND CROSSED THE STREET WHERE THE REAR HIT A PALM TREE AND COLLAPSED THE TRUNK. BOTH THE FRONT AND REAR WERE SEVERELY DAMAGED. NO AIR BAGS DEPLOYED. *TR
MOTOR VEHICLE ACCIDENT ON 6/3/08. VEHICLE - 2004 LEXUS LS5430. VEHICLE WAS BROADSIDED ON DRIVERS SIDE. SIDE CURTAIN AIRBAG DID NOT DEPLOY. *TR
TL*THE CONTACT OWNS A 2004 LEXUS LS430. THE CONTACT STATED THAT WHILE DRIVING AT 5 MPH, THE VEHICLE SUDDENLY ACCELERATED WHILE HER FOOT WAS ON THE BRAKE PEDAL. THE VEHICLE CRASHED INTO A PARKED VEHICLE. THERE WERE NO INJURIES. THE CONTACT CALLED THE MANUFACTURER AND WAS TOLD THAT SOMEONE WOULD CONTACT HER IN 6-8 WEEKS. THE FAILURE MILEAGE WAS APPROXIMATELY 63,000.
WHEN PULLING INTO PARKING SPACE AT A LOW SPEED (2 MPH) CAR SUDDENLY ACCELERATED EVEN THOUGH ACCELERATOR PEDAL WAS NOT BEING DEPRESSED. OPERATOR'S FOOT WAS ON BRAKE PEDAL THE ENTIRE TIME BUT CAR WOULD NOT STOP UNTIL IT HIT A PARKED VEHICLE. AT THE TIME THE CAR WAS BEING TURNED TO THE RIGHT COMING INTO THE PARKING SPACE. THERE WAS A HIGH CURB (~10 INCHES HIGH) AT THE FRONT OF THE PARKING SPACE AND A MEDIAN BUT THE CAR JUMPED OVER THIS AND STRUCK THE PARKED ON THE OTHER SIDE OF THE MEDIAN.
TL* THE CONTACT OWNS A 2004 LEXUS LS 430. THE CONTACT STATED THAT SHE WAS PLACING ITEMS IN THE TRUNK WHEN THE TRUNK LID UNEXPECTEDLY SLAMMED SHUT. THE CONTACT SUFFERED INJURIES TO HER FINGER AS A RESULT OF THE FAILURE. AN AUTHORIZED DEALER WAS NOTIFIED, BUT OFFERED NO ASSISTANCE. THE MANUFACTURER WAS ALSO NOTIFIED VIA EMAIL AND THE CONTACT WAS AWAITING A RESPONSE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 74,000 AND THE CURRENT MILEAGE WAS 75,000. THE VIN WAS UNAVAILABLE.
I WAS TOLD BY LEXUS DEALER MY 2004 LS430, WITH 27,000 MILES NEEDS BRAKE PADS REPLCEMENT. HAVING DRIVEN SIMILAR CARS FOR 16 YEARS UNDER SAME DRIVING CONDITIONS, TO ME THIS REPRESENTS A PREMATURE FAILURE AND SHOULD BE REPORTED.
AIRBAG FAILURE. *TR
THE CONSUMER'S 2004 LEXUS LS 430 HESITATED INTERMITTENTLY WHILE ACCELERATING TO ENTER A HIGHWAY. *NM THE VEHICLE WAS TAKEN TO THE DEALER TWICE AND ALL THEY SAID WAS THAT THE VEHICLE HAD TO LEARN THE CONSUMER'S DRIVING HABITS AND IT WOULD CORRECT ITSELF. THEY ALSO SAID THE WOULD BURN SOMETHING INTO THE COMPUTER BOARD. THE VEHICLE HESITATED AGAIN WHILE THE CONSUMER WAS MAKING A LEFT TURN FROM A VERY LOW SPEED. AFTER A FEW SECONDS THE VEHICLE FINALLY ACCELERATED BEFORE THE VEHICLE WAS HIT BY
TL* THE CONTACT OWNS A 2004 LEXUS LS430. WHILE DRIVING APPROXIMATELY 15 MPH, THE VEHICLE BEGAN TO HESITATE WHILE ACCELERATING AND SUDDENLY STALLED. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC. THE MECHANIC STATED THERE WAS A FAILURE WITH THE FUEL PUMP WHICH WOULD HAVE TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THERE WAS A RECALL UNDER NHTSA CAMPAIGN ID NUMBER: 04V295000 (FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP) THAT COULD HAVE BEEN RELATED TO THE FAILURE. THE MANUFACTURER WAS MADE AWARE
I WOULD LIKE TO COMPLAIN ABOUT THE NEW "BLUE" HID HEADLIGHTS ON SOME CARS. THE GLARE I EXPERIENCE FROM THIS IS TERRIBLE. IF ONE VEHICLE PASSES, THE LOSS OF SIGHT IS TOLERABLE, BUT IF 2 OR MORE HID EQUIPPED VEHICLES COME AT ME AT NIGHT, THE GLARE AND SUBSEQUENT LOSS OF VISION IS TOTALLY UNACCEPTABLE. *JB
A SENSOR FAILED (AFS) ON MY 2004 LEXUS 430 THAT LOCKED THE HEADLIGHTS INTO A VERY LOW POSITION - THE EFFECTIVE LIGHTING ON LOW BEAM IS SUCH THAT VISIBILITY IS ONLY 20-30 FEET. UPON SEARCHING THE WEB I FOUND OUT THIS IS A COMMON FAILURE AND REQUIRED REPLACING A SIMPLE SENSOR ON THE REAR AXLE COSTING APP. $450 PARTS AND LABOR. I AM LOOKING TO REPAIR, BUT AM CONCERNED ABOUT THE CONDITION IT WAS LEFT DEFECTIVE - IT APPEARS THE FAILURE DEFAULT POSITION AT LOW BEAM IS DANGEROUS. *TR
THE MOST RECENT OCCURRENCE WAS YESTERDAY. HAS HAPPENED AT LEAST 5 OTHER TIMES, HAVE OWNED THE CAR FOR 2 YEARS. THE CAR WILL NOT START IF THE STEERING WHEEL IS NOT EXACTLY LEVEL, TIRES STRAIGHT. I HAVE TO TURN THE WHEEL OVER AND OVER AND OVER TO TRY TO MOVE IT AN INCH SO IT WILL START. THIS TIME TOOK ABOUT 10 MINUTES OF DOING THE SAME THING OVER AND OVER, AND IT MIRACULOUSLY STARTED. HAVE NO IDEA WHY IT DOES THIS AND WHEN IT WILL HAPPEN AGAIN. MOST IRRITATING AND DANGEROUS IF I AM ALONE AWA
TL*THE CONTACT OWNS A 2004 LEXUS LS430. WHILE PARKING HIS VEHICLE THE TIRE ROD FRACTURED. THE VEHICLE WAS TOWED TO A LOCAL MECHANIC IT WAS REPAIRED. THE CONTACT ALSO FILED A COMPLAINT WITH THE MANUFACTURER. THE FAILURE MILEAGE WAS 85,000.
OUR 2004 LEXUS LS430 HAS STALLED (OR DIED) 4 TIMES (WHILE DRIVING) IN SIX MONTHS, TAKEN TO LEXUS DEALER 3 TIMES, WHERE THEY COULD NOT DIAGNOSE THE PROBLEM. STALLS OCCUR AFTER DRIVING 30 TO 40 MINUTES, COULD NOT RESTART IMMEDIATELY ALTHOUGH STARTER CRANKED WELL. VEHICLE HAS LESS THAN 35,000 MILES. COULD USUALLY RESTART AFTER 20 TO 30 MINUTES. ADEQUATE LEVEL OF FUEL. BATTERY WAS REPLACED AND FUEL PUMP SHUT-OFF RELAY WAS REPLACED, BUT IT DID NOT SOLVE THE PROBLEM. CONTACTED LEXUS CUSTOMER SER
Showing the 15 most serious of 36 complaints filed with NHTSA.
