LexusSC3001998Overview/lexus/sc300/1998/base/

1998 Lexus SC300

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1998 SC300.

Body PASSENGER CAR

The 1998 Lexus SC300 is a passenger car that requires 5.5 quarts of 5W-30 API engine oil, and its reliability data shows 56 total owner complaints and two recalls, with air bags being the most common issue. This model year falls just outside the model's complaint history (19921997), which recorded a low of three complaints in 1994 and a high of ten in 1992, indicating that the 1998 SC300 benefits from the model's established reliability foundation.

Model year200019991998199719961995199419931992

Quick specs

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

Engine oil capacity5.5 qtOEM · verified
Engine oil type5W-30 APIOEM · verified
Lug nut torque76 ft-lbsOEM · verified

Fitment & sizes

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

From the factory this vehicle uses a BCI 24F · 585 CCA battery, OE oil filter 90915YZZD1. 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 24F · 585 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 filter90915YZZD1
Engine air filter1780107020
Fuel filter2330020050 alt 2330050040
Front wiper blades8522220340 alt 8521224071
Serpentine belt9091602310
Thermostat9091603093 alt 1632562010
Cabin air filter8888030040

Service quick specs OEM factory data

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

This engine holds 5.5 qt of 5W-30 API engine oil, 80W-90 · GL-5 in the differential. Torque lug nuts to 76 ft-lbs. The firing order is 1-5-3-6-2-4.

Lubricants & capacities

Differential Gear Oil80W-90 · GL-5
Differential Gear Oil Capacity3 Pints
Engine Oil5W-30 · API
Engine Oil Capacity5.5 qt

Engine torques

Camshaft Bearing/Carrier Cap Bolts or Studs14 ft-lbs
Crankshaft Pulley and/or Damper Bolts243 ft-lbs
Oil Pump to Cylinder BLock Bolts/Studs15 ft-lbs

Chassis torques

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

Ignition

Cylinder Firing Order1-5-3-6-2-4
Curb Idle Speed (No Load)700 rpm
Curb Idle Speed Variance (No Load)50 rpm
Ignition Coil Primary Resistance.33-.52 ohms
Ignition Coil Secondary Resistance8,500-14,700 ohms
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 Number24F
Standard BCI Cranking Performance585 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 Compression145-218. 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 / 87 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 From1.102 in / 0.63 in
Rotor Nominal Thickness To1.102 in / 0.63 in
Rotor Discard at or Under1.024 in / 0.591 in

Multi-step torque procedures OEM · verified

Connecting Rod (Large End) Bearings — tightening sequence 1 stages
122 ft. lbs., Step 2: 9022 ft. lbs
Main Bearings — tightening sequence 1 stages
133 ft. lbs., Step 2: 9033 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 federal record traces a downward arc in total complaints across the generation, falling from 10 in 1992 to 8 in 1993 and settling at 3 for 1994–1995, before a modest rebound to 5 in 1997, while recalls and investigations remained at zero every year in the sample. Against that low-complaint baseline, 1998 registers a sharp departure: its Air Bags category alone accounts for 7 complaints, already exceeding the entire annual complaint totals for 1994, 1995, and 1997, with additional volume in Seat Belts (5), Vehicle Speed Control (5), and Electrical System (4), plus 13 crash and 1 fire complaint. Root causes for these 1998 issues are unspecified in the data, and the record provides no 1998 recall, investigation, or TSB counts, leaving federal corrective action unconfirmed. Factory service bulletins held steady near 27 through 1995 and ticked up to 35 in 1997, the highest level shown, yet 1998 sits outside that documented pattern. Because 1998 breaks from the generation’s earlier calm with individual complaint counts that surpass the total volumes of the quietest years, it is a riskier purchase and not the best vintage to buy; prospective owners must secure thorough pre-purchase verification and complete service records.

2
Open recalls
NHTSA campaigns
60
Service bulletins
Manufacturer communications
1
ODI investigations
Office of Defects Investigation
56
Owner complaints
13 involved a crash · 1 a fire
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 56 complaints on record, top 8 components.

Air Bags7
Seat Belts5
Vehicle Speed Control5
Electrical System4
Seats4
Tires3
Fuel System, Gasoline3
Engine & Engine Cooling3

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 1 of 1 campaigns on record for this vehicle.

99V307000Steering: Steering Wheel/Handle BarReported 01/11/1999

VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE STEERING WHEEL SET NUT MAY NOT HAVE BEEN SUFFICIENTLY TIGHTENED CAUSING STEERING VIBRATION AND LOOSENESS. Remedy: DEALERS WILL TIGHTEN THE STEERING WHEEL SET NUT.

Technical service bulletins NHTSA · verified

Showing 5 of 60 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 SC300. 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 1998 SC300 take?

5.5 qt of 5W-30 API, per the factory manual.

Does the 1998 SC300 have open recalls?

NHTSA lists 2 recall campaign(s) for this model year. Check your specific vehicle by VIN.