Fitment for this service and repair manual is fixed to the 1993 Lexus SC 400 — the 4.0L V8 (1UZ-FE) in Base trim — so the clearances, torque figures and service intervals it gives are the ones Lexus published for this build, not values carried over from an adjacent year of the SC line.
Engines
- 4.0L V8 GAS Naturally Aspirated
Trims
- Base
Known issues on the 1993 SC 400. No recalls are on federal record for the 1993 SC 400. Owners have filed 11 complaints for the year, and Lexus has issued no technical service bulletins for it. The diagnostic and repair procedures for the systems behind those owner reports are here.
From tracing a fault an owner report points to, to a scheduled service on the 1UZ-FE, it keeps you on the OEM procedure and the correct specification for this 1993 SC 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.
Auto matic Transmission Replacement kPrecautions
Windshield Wiper Blade Maintenance and cleaning
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
TSB: OBSOLETE NOTICE April 06, 2020: This bulletin is now obsolete. Please see L-SB-0008-20. Replacement Certification Labels and VIN Plates
Showing the 8 most recent of 27 technical service bulletins on file with NHTSA.
TL* THE CONTACT OWNED A 1993 LEXUS SC400. WHILE DRIVING AT A LOW RATE OF SPEED, THE CONTACT DEPRESSED THE BRAKE PEDAL AND CRASHED INTO A WALL. THE AIR BAGS DEPLOYED, WHICH SEVERELY BURNED THE CONTACT'S CHIN, LIPS, AND NECK. THE AIR BAG ALSO BURNED PARTS OF THE CONTACT'S CHEST AND TORSO AREA. THE CONTACT WAS TAKEN TO A LOCAL HOSPITAL FOR MEDICAL ATTENTION. A POLICE REPORT WAS NOT FILED. THE VEHICLE WAS TOWED TO THE CONTACT'S HOME AND DEEMED TOTALED. THE MANUFACTURER AND DEALER WERE NOT NOTIFIED O
I WAS INVOLVED IN A MOTOR VEHICLE ACCIDENT ON 4/25/10 WITH A 1993 LEXUS SC400 VIN# [XXX] . I WAS APPROACHING A RED LIGHT CONTROLLED INTERSECTION WITH MY FOOT ON THE BRAKE PEDAL AND THE VEHICLE CONTINUED TO ACCELERATE THROUGH THE INTERSECTION. I FEEL THAT THE COMPUTER CHIP CONTROLLING EITHER THE TRANSMISSION OR IDLING SPEED FAILED AS THE VEHICLE COULD NOT COME TO A HALT AND RESULTED IN A COLLISION. THE TRANSMISSION FAILED TO DROP DOWN TO NEUTRAL AND/OR THE IDLE COULD NOT DROP DOWN TO LESS THAN
CONSUMER WAS PARKING VEHICLE INTO A PARKING SPACE WHEN VEHICLE ALL OF A SUDDEN ACCELERATTED FOR UNKNOWN REASON, CAUSING VEHICLE TO ROLLOVER TWO OTHER VEHICLES, WHICH WERE DAMAGED. DEALER/ MANUFACTURER NOTIFIED AND INFORMED THAT NOTHING COULD BE FOUND. *AK
VEHICLE SUDDENLY ACCELERATED TO FULL SPEED WHILE CONSUMER WAS COMING TO A STOP. DEALER HAS BEEN CONTACTED. *AK *ML
CONDENSATION DEVELOPED OVER THE RIGHT HEADLIGHT. CONSUMER CONTACTED THE DEALER, WHO STATED THEY DIDN'T KNOW WHY THIS WAS HAPPENING . *AK
THE ILLUMINATION FOR THE INSTRUMENTS ON THE DASH HAS FAILED. VEHICLE SPEED IS NOT KNOWN. *AK
I HAVE HAD PERSISTENT MOLD AND BAD ORDOR COMING FROM AIR CONDITIONING SYSTEM. I'M ALLERGIC TO MOLD AND OTHER THINGS AT TIMES IT CAUSES NAUSEA, SORE THROAT, HEADACHE AND CONGESTION.
BAD ODOR AND MOLD COMING FROM THE AIR CONDITIONING SYSTEM CAUSES NOUSEA, SORE THROAT AND HEADACHE TO THE OWNER. YH
TIRE WORN OUT. YH
PART FAUILURE. *JB
TL* THE CONTACT OWNS A 1993 LEXUS SC400. THE TRACTION CONTROL LOGIC PROGRAM FAILED AND CAUSED LOSS OF STOPPING POWER. THE CONTACT STATED THE REAR BRAKES WERE DRAGGING. THE CURRENT AND FAILURE MILEAGE WAS 112,000. THE DEALER HAS ADVISED THE CONTACT THAT THE TRACTION CONTROL COMPUTER NEEDED TO BE REPLACED.
