Fitment here is narrow on purpose: this service and repair manual is written for the 1999 Lexus GS 400 with the 4.0L V8 (1UZ-FE) in Base trim, so the specifications and torque sequences you work from are the ones Lexus published for that combination rather than figures averaged across the GS line or carried over from an adjacent year.
Engines
- 4.0L V8 GAS Naturally Aspirated
Trims
- Base
Known issues on the 1999 GS 400. No recalls are on federal record for the 1999 GS 400, and no technical service bulletins are on file for the year. Owners have filed 20 complaints against it. With nothing outstanding on the recall side, what is left on a car of this age is ordinary diagnosis, and the OEM procedures behind it are here.
From an electrical diagnosis to a suspension inspection or a routine service interval, it holds you to the OEM procedure and the correct specification for your 1999 GS 400.
Lexus Safety Recall and Service Campaign - Technician Certification Requirements 4.13.2022
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.
Immobilizer and Smart Key Reset
Auto matic Transmission Replacement kPrecautions
Spots in Window Glass - vehicle exterior
Safety Recall and Service Campaign - Technician Certification Requirements
TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin Nos. L-SB-0048-08, PG007-07, PG016-01, PG015-01, PG004-97, PG003-97, PG003-93, PG002-90, L-SB-0048-08, PG007-07, PG016-01, PG015-01, PG004-97, P
Showing the 8 most recent of 49 technical service bulletins on file with NHTSA.
TL*THE CONTACT OWNS A 1998 LEXUS GS400. WHILE DRIVING APPROXIMATELY 70 MPH THE VEHICLE STALLED CAUSING A VEHICLE TO CRASH INTO THE REAR OF THE VEHICLE. A POLICE REPORT WAS FILED. THE DRIVER WAS INJURED. THE VEHICLE WAS DESTROYED AND TOWED TO AN UNKNOWN LOCATION. THE VEHICLE WAS NEVER EXAMINED FOR THE CAUSE OF FAILURE. THE FAILURE AND CURRENT MILEAGES WERE UNKNOWN. THE VIN WAS UNAVAILABLE.
WAS IN A SERIOUS CAR WRECK..HAVE SEVER MAKES ON BODY FROM SEATBELT...WHEN AIRBAG DEPLOY KNOCKED OUT WINDSHIELD..HAVE STITCHES IN ARM FROM GLASS.CAR IS TOTAL..HAD TO GET CUT OUT OF CAR.
BATTERY DRAIN AND DAMAGING ALTERNATER . HEADLIGHTS FLICKERS AND GAS LEAK AND POWER STEERING PROBLEMS.
MAY 9, 2017. AT APPROXIMATELY 5:50 PM, I GOT IN MY CAR WHICH WAS PARKED IN A SMALL OUTDOOR PARKING LOT. I STARTED IT AND PUT IT IN REVERSE AND THE CAR TOOK OFF. EVEN THOUGH I APPLIED THE BRAKES THE CAR DID NOT STOP OR SLOW DOWN. IT SLAMMED INTO A PARKED 2016 MERCEDES WITH SUCH FORCE THAT THE MERCEDES WAS LEFT ALMOST PERPENDICULAR WITH ITS SPACE. POLICE WERE CALLED AND CAME TO SCENE BUT BECAUSE THE PARKING LOT IS ON PRIVATE PROPERTY, NO REPORT WAS FILED. THE OWNER OF THE OTHER VEHICLE AND I E
WHILE BACKING OUT AND SHIFTING INTO DRIVE VEHICLE SURGED FORWARD. AS A RESULT, VEHICLE CRASHED INTO A BUILDING. UPON IMPACT, DUAL AIRBAGS DEPLOYED UPON IMPACT. *AK *LA
THE VEHICLE EXPERIENCED SUDDEN ACCELERATION. *JB
VEHICLE EXPERIENCING PROBLEM WITH TRACTION CONTROL WHILE DRIVING ON SNOW COVERED ROADS, CAUSING VEHICLE TO FISHTAIL TO RIGHT. DEALER NOTIFIED. PLEASE FEEL FREE TO PROVIDE ANY FURTHER DETAILS ON THIS MATTER. *AK
TL*THE CONTACT OWNS A 1999 GS400. THE CONTACT STATED THAT WHILE APPLYING THE BRAKE, THE VEHICLE WOULD ACCELERATE. THE FAILURE HAS OCCURRED INTERMITTENTLY FOR 10 YEARS. THE DEALER WAS UNABLE TO DIAGNOSE THE FAILURE. THE CONTACT STATED THAT THE FLOOR MAT RECALL SHOULD BE CONSIDERED REGARDING THE FAILURE. THE CURRENT MILEAGE WAS 80,000 AND THE FAILURE MILEAGE WAS 21,000.
THE TRUNK MOUNTED BRAKE LIGHTS HAVE FADED FROM RED TO PINK. IT IS A PROBLEM WITH THESE CARS. THIS CAR HAS BEEN GARAGED WHEN IT IS NOT DRIVEN.
VEHICLE HAS A FAST SHUDDER OF THE STEERING WHEEL AT HIGHWAY SPEEDS. IT ALSO HAS A VIBRATION IN THE SEATS AT 45 MPH. WE REPLACED THE TIRES THREE TIMES WITH DIFFERENT TYPES AND CANNOT ELIMINATE THE VIBRATION. IT MUST BE A SUSPENSION PART. THEY DID SWAP THE REAR AXLE AND DIFFERENTIAL WITH ANOTHER CAR ON THEIR LOT. A NEW DRIVESHAFT WAS ALSO INSTALLED.
VEHICLE HAS A FAST SHUDDER OF THE STEERING WHEEL AT HIGHWAY SPEEDS. IT ALSO HAS A VIBRATION IN THE SEATS AT 45 MPH. WE REPLACED THE TIRES THREE TIMES WITH DIFFERENT TYPES AND CANNOT ELIMINATE THE VIBRATION. IT MUST BE A SUSPENSION PART. THEY DID SWAP THE REAR AXLE AND DIFFERENTIAL WITH ANOTHER CAR ON THEIR LOT. A NEW DRIVESHAFT WAS ALSO INSTALLED.
WHILE DRIVING ENGINE WILL JUST DIE OUT, CAUSING A LOSS OF ALL POWER. DEALER HAS BEEN CONTACTED.*AK
VEHICLE ENGINE SUDDENLY TURNS OFF WHILE DRIVING. HAS OCCURRED WHILE DRIVING AT LOW SPEED IN HEAVY TRAFFIC, AS WELL AS MORE THAN ONCE WHEN ENTERING A FREEWAY ON FREEWAY ON-RAMP. *TR
WHILE APPLYING THE BRAKE PEDAL TO STOP THE CAR JERKED FORWARD ON MANY OCCASIONS, THIS IS DUE TO A DESIGN FLAW, THE CONSUMERS FOOT ACCIDENTALLY ENGAGES THE ACCELERATOR PEDAL AT THE SAME TIME AS THE BRAKE PEDAL CAUSED BY THE FOOT OVERHANGING THE BRAKE PEDAL. *MJS
WHILE APPLYING THE BRAKE PEDAL TO STOP THE CAR JERKED FORWARD ON MANY OCCASIONS, THIS IS DUE TO A DESIGN FLAW, THE CONSUMERS FOOT ACCIDENTALLY ENGAGES THE ACCELERATOR PEDAL AT THE SAME TIME AS THE BRAKE PEDAL CAUSED BY THE FOOT OVERHANGING THE BRAKE PEDAL. *MJS
Showing the 15 most serious of 20 complaints filed with NHTSA.
