LexusGS4001999Overview/lexus/gs400/1999/base/

1999 Lexus GS400

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1999 GS400.

Requiring 5.5 qt of 5W-30 API engine oil, the 1999 Lexus GS400 belongs to a model generation spanning 1994 to 2000. While complaint numbers across this period fluctuated from a low of 1 in 1994 to a peak of 32 in 1998, this specific model year recorded 20 total owner complaints. With zero recalls issued and the top complaint area identified as Vehicle Speed Control, the 1999 iteration occupies a middle ground in the model's reliability history rather than an extreme.

Model year200019991998

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 24 · 585 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 24 · 585 CCAOEM · verified
Tail / brake / turnHEADOEM · verified

OE service part numbers OEM · verified

Engine oil filter90915YZZD3
Engine air filter1780150030
Fuel filter2330074330 alt 2321746090
Spark plug9008091180
Front wiper blades8521253061 alt 8522230560
Serpentine belt9091602586
Thermostat9091603100 alt 1634650010
Cabin air filter8713948030

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 1-8-4-3-6-5-7-2.

Lubricants & capacities

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

Engine torques

Crankshaft Pulley and/or Damper Bolts181 ft-lbs
Engine Flywheel Bolts61 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)750 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 Capacity1.21-1.43 lbs
Oil GroupPAG
Oil Type46
Oil Capacity4.20 oz
Standard BCI Group Number24
Standard BCI Cranking Performance585 cca

Service checks

Pressure Test17 psi
Radiator Cap Pressure Relief14-18 psi
Thermostat Opening Temperature176-183 °F
Residual Pressure21.0 psi
Injector Primary Resistance13.4-14.2 @ 68 degreesF ohms
Engine Compression142-178 PSI. 14 maximum variation PSI.
Intake Valve Lash0.006-0.010 in
Exhaust Valve Lash0.010-0.014 in

Brakes

Torque Caliper to Bracket87 ft-lbs
Torque to Knuckle76 ft-lbs / 77 ft-lbs
Minimum Pad ThicknessFront: 0.039; Rear: 0.040 in
Rotor Runout Limit0.002 in
Rotor Nominal Thickness From1.26 in / 0.472 in
Rotor Nominal Thickness To1.26 in / 0.472 in
Rotor Discard at or Under1.181 in / 0.413 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; 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) · Cabin Air Filter (replace)
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)
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 1999 Lexus GS400 sits in the middle of a clear downward arc in reported complaints within the years provided. After peaking in 1998 with 32 complaints, 1 recall, and 69 TSBs, the 1999 model year shows a meaningful reduction to 20 complaints, 49 TSBs, 1 open investigation, and no recalls, and the improving trajectory continues into 2000 (8 complaints, 45 TSBs, also no recalls). The 1999 complaint mix is led by Vehicle Speed Control and Suspension (3 each), followed by combined Vehicle Speed Control/Service Brakes issues and Engine & Engine Cooling (2 each), with 6 crash-related complaints and no fire reports on record. The data does not specify root causes for these complaint categories, so the precise failure modes are not stated in the federal record, though the overall pattern is encouraging. The 1994 entry (1 complaint, 10 TSBs) is not directly comparable to the later years and is best treated as background context rather than a benchmark for this generation. For a used buyer, 1999 is a defensible year to target: materially fewer complaints than 1998, no recalls on file, and a continuing downward trend, but a pre-purchase inspection should pay particular attention to the speed control and suspension systems.

0
Open recalls
NHTSA campaigns
49
Service bulletins
Manufacturer communications
1
ODI investigations
Office of Defects Investigation
20
Owner complaints
6 involved a crash · 0 a fire
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 20 complaints on record, top 8 components.

Vehicle Speed Control3
Suspension3
Vehicle Speed Control,Service Brakes2
Engine & Engine Cooling2
Electrical System2
Service Brakes, Hydraulic2
Electrical System,Exterior Lighting,Fuel/Propulsion System1
Exterior Lighting1

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

No recall campaigns on record with NHTSA for this vehicle as of the last data refresh.

Technical service bulletins NHTSA · verified

Showing 5 of 49 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 GS400. OEM
Build data
Plant, GVWR class, engine and body data for any 17-character VIN.
Recalls
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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 1999 GS400 take?

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

Does the 1999 GS400 have open recalls?

NHTSA lists 0 recall campaign(s) for this model year. Check your specific vehicle by VIN.