LexusSC4001997Overview/lexus/sc400/1997/base/

1997 Lexus SC400

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1997 SC400.

Transmission Automatic 4-spd

The 1997 Lexus SC400 is equipped with a 5‑quart oil capacity and uses 10W‑30 or 5W‑30 API‑rated oil, paired with an automatic four‑speed transmission and EPA fuel economy of 17/23/19 mpg. Its sole recorded owner complaint involves air‑bag performance, and the model year falls within a reliability window where complaints ranged from a high of 30 in 1992 to a low of one in 1990. Thus, the 1997 SC400 represents one of the quieter years in the model’s complaint history, reflecting relatively strong reliability for that era.

Model year200019991998199719961995199419931992

Quick specs

Fluid capacities, tune-up values and fuel economy at a glance.

Engine oil capacity5 qtOEM · verified
Engine oil type10W-30 / 5W-30 APIOEM · verified
Lug nut torque76 ft-lbsOEM · verified
EPA fuel economy17/23/19 mpgEPA · verified

Fitment & sizes

Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.

From the factory this vehicle uses a BCI 27F · 625 CCA battery, OE oil filter 90915YZZD3. Each part links to every other vehicle that shares it, so a part you already stock may fit more of your fleet than you'd expect.

Battery groupBCI 27F · 625 CCAOEM · verified
Tail / brake / turnHEADOEM · verified
Tire size225-55VR16OEM · verified
Wheel / rim6-, 6.5-JJ inOEM · verified

OE service part numbers OEM · verified

Engine oil filter90915YZZD3
Engine air filter1780107020
Fuel filter2330050040
Spark plug9008091180
Front wiper blades8521224071 alt 8522220340
Serpentine belt9091602361
Thermostat90916A3003 alt 1632562010
Cabin air filter8888030040

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic 4-spd

Ratings & economy EPA / vPIC

EPA city / highway / combined17 / 23 / 19 mpg
DrivetrainRear-Wheel Drive
Passenger volume102 cu ft
Cargo volume14 cu ft
Recommended fuelPremium Gasoline

Service quick specs OEM factory data

Capacities, torques and tune-up values from the factory service manual.

This engine holds 5 qt of 10W-30 / 5W-30 API engine oil, 80W-90 · GL-5 in the differential. Torque lug nuts to 76 ft-lbs. The firing order is 1-8-4-3-6-5-7-2.

Lubricants & capacities

Differential Gear Oil80W-90 · GL-5
Differential Gear Oil Capacity3 Pints
Engine Oil10W-30 · API · 5W-30
Engine Oil Capacity5 qt

Engine torques

Crankshaft Pulley and/or Damper Bolts181 ft-lbs
Engine Flywheel Bolts72 ft-lbs

Chassis torques

Lug Nuts76 ft-lbs
Front Wheel Hub147 ft-lbs
Rear Wheel Hub213 ft-lbs

Ignition

Cylinder Firing Order1-8-4-3-6-5-7-2
Curb Idle Speed (No Load)700 rpm
Curb Idle Speed Variance (No Load)50 rpm
Spark Plug Gap0.039-0.0.043 in
Spark Plug Torque13.0 ft-lbs

Battery & A/C

RefrigerantR134a
Refrigerant Capacity2.05-2.10 lbs
Oil GroupPAG
Oil Capacity4.00-4.10 oz
Standard BCI Group Number27F
Standard BCI Cranking Performance625 cca

Service checks

Pressure Test17 psi
Radiator Cap Pressure Relief11-15 psi
Thermostat Opening Temperature176-183 °F
Injector Primary Resistance13.4-14.2 @ 68 degreesF ohms
Engine Compression142-178 PSI. 14 maximum variation PSI.
Engine Oil Pressure4.3 psi @ Idle, 43-85 psi @ 3000 rpm psi
Intake Valve Lash0.006-0.010 in
Exhaust Valve Lash0.010-0.014 in

Brakes

Torque Caliper to Bracket25 ft-lbs / 79 ft-lbs
Torque to Knuckle77 ft-lbs / 76 ft-lbs
Minimum Pad ThicknessFront: 0.039; Rear: 0.040 in
Rotor Runout Limit0.002 in
Rotor Nominal Thickness From1.26 in / 0.63 in
Rotor Nominal Thickness To1.26 in / 0.63 in
Rotor Discard at or Under1.181 in / 0.591 in

Multi-step torque procedures OEM · verified

Camshaft Bearing/Carrier Cap Bolts or Studs — tightening sequence 1 stages
13 ft. lbs., Step 2: 9 ft. lbs., Step 3: 12 ft. lbs.3 ft. lbs
Connecting Rod (Large End) Bearings — tightening sequence 1 stages
118 ft. lbs., Step 2: 9018 ft. lbs

Factory maintenance schedule OEM · verified

Normal service, condensed from the factory interval matrix.

Under the factory schedule, replace the engine oil and filter every 7,500 mi; spark plugs every 60,000 mi; coolant every 30,000 mi. The big-interval services (every 30,000 mi for coolant, and the transmission fluid) are the ones owners most often skip — on a lower-mileage example, assume the original fluids are still in it and check them first.

Every 7,500 miEngine Oil (drain & refill) · Engine Oil Filter (replace) · Tire & Wheel Assembly (rotate)
Every 15,000 miAccessory Drive Belt (inspect) · Axle Shaft Oil Seal (inspect) · Body Latches, Locks & Hinges (inspect) · Brake System (inspect) · CV Joint Boot (inspect) · Differential (inspect fluid level)
Every 30,000 miBrake Hydraulic System (drain, refill & bleed) · Engine Air Filter Element (replace) · Engine Coolant System (drain, flush & refill) · Fuel Line (inspect) · Fuel Tank (inspect)
At 60,000 miAccessory Drive Belt (inspect)
Every 60,000 miEngine Valves (inspect valve lash) · Fuel Evaporative Canister Filter (inspect) · Spark Plugs (replace)
Every 90,000 miTiming Belt (replace)

Reliability & federal safety record

Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.

The 1997 Lexus SC400 sits on the low end of the complaint trend for its generation, with only one complaint reported that year compared to 30 in 1992 and 11 in 1993, and the recall count remains modest at one. This year’s recall count matches the single recall seen in 1996, and the number of complaints is the lowest since the 1990 model year, which had a single complaint and no recalls. The total number of TSBs peaked in 1998 and 1999 at 42, higher than the 33 TSBS recorded in 1997, indicating a slight uptick in issues in the immediate years following. The sole complaint in 1997 was in the Air Bags category, and no crash or fire complaints were recorded, suggesting that the vehicle’s safety systems were largely intact that year. Overall, the 1997 SC400’s complaint and recall profile is favorable relative to adjacent years, making it a comparatively reliable choice for a used purchase.

1
Open recalls
NHTSA campaigns
33
Service bulletins
Manufacturer communications
0
ODI investigations
Office of Defects Investigation
1
Owner complaints
0 involved a crash · 0 a fire
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 1 complaints on record, top 1 components.

Air Bags1

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 1 of 1 campaigns on record for this vehicle.

98V016000Electrical System:Starter AssemblyReported 27/01/1998

VEHICLE DESCRIPTION: PASSENGER VEHICLES. DUE TO IMPROPER ASSEMBLY OF THE TERMINAL FOR THE STARTER MOTOR MAGNETIC SWITCH, AN ELECTRICAL SHORT CIRCUIT CAN OCCUR IF ELECTRICALLY-CONDUCTIVE LIQUID, SUCH AS ROAD SPLASH WITH… Remedy: DEALERS WILL REPAIR THE MAGNETIC SWITCH.

Technical service bulletins NHTSA · verified

Showing 5 of 33 bulletins on record with NHTSA.

BulletinDateComponentSummary
Safety Recall 222022-04-13EquipmentLexus Safety Recall and Service Campaign - Technician Certification Requirements 4.13.2022
Lexus PRO19-02 -2022-01-12TiresPOL: This consolidated Tire Warranty Guide contains the complete warranty terms for all…
Lexus Safety Re2020-05-01EquipmentSafety Recall and Service Campaign - Technician Certification Requirements
L-SB-0179-17 Obs2020-04-06EquipmentTSB: OBSOLETE NOTICE April 06, 2020: This bulletin is now obsolete. Please see…
L-SB-0008-202020-04-06EquipmentTSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service…

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420
Catalyst system efficiency below threshold — Bank 1
P0300
Random / multiple cylinder misfire detected
P0171
System too lean — Bank 1
P0455
Evaporative emission system leak detected — large leak
P0128
Coolant thermostat below regulating temperature
P0442
Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN
Decode a VIN to confirm the transmission and build data for a specific SC400. OEM
Build data
Plant, GVWR class, engine and body data for any 17-character VIN.
Recalls
Check open recall campaigns against a specific vehicle by VIN.

Vehicles with shared specs

Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.

Reference guides

Cross-vehicle references for the kinds of data on this page.

Frequently asked

How much oil does the 1997 SC400 take?

5 qt of ABOVE 0 F: 10W-30 API, BELOW 100 F: 5W-30 API, per the factory manual.

Does the 1997 SC400 have open recalls?

NHTSA lists 1 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the SC400 get?

EPA figures are 17 city / 23 highway / 19 combined mpg.