Toyota4runner1999L4/toyota/4runner/1999/l4/

1999 Toyota 4runner — L4

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1999 4runner L4.

Body SUVEngine L4Transmission Automatic 4-spd

The 1999 Toyota 4Runner L4 is an SUV powered by a four-cylinder engine mated to a 4-speed automatic transmission, returning EPA figures of 18 city and 22 highway mpg for a combined 19. Across the model's complaint history spanning 1990 through 2026, this year's 335 total owner complaints sit well below the 707 logged against the 2003 model year — the worst on record — placing it in the lower-middle tier of the 4Runner's reliability timeline. With Structure as the top complaint area and three recalls to its name, the primary ownership friction centers on body and chassis concerns rather than powertrain failure, making this a relatively stable used-market entry in the generation's history.

Model year200019991998199519941993199219911990

Quick specs

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

Engine oil capacity5.3 qtOEM · verified
Engine oil type5W-30 APIOEM · verified
Lug nut torque83 ft-lbsOEM · verified
EPA fuel economy18/22/19 mpgEPA · verified

Fitment & sizes

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

From the factory this vehicle uses a BCI 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 sizeP225-75R15OEM · verified
Wheel / rimN/A inOEM · verified

OE service part numbers OEM · verified

Engine oil filter90915YZZD1
Engine air filter178013502083 alt 1780107020
Fuel filter2330079446 alt 2330062030
Spark plug9091901176
Front wiper blades8522235091 alt 8521204012
Serpentine belt993642111083 alt 9091602336
Thermostat9091603120 alt 9091603075

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic 4-spd

Dimensions & weight NHTSA vPIC

Overall length178.7 in
Overall width70.9 in
Overall height69.3 in
Wheelbase105.5 in
Curb weight3975 lb
Track (front / rear)59.4 / 59.4 in

Ratings & economy EPA / vPIC

EPA city / highway / combined18 / 22 / 19 mpg
DrivetrainRear-Wheel Drive
Recommended fuelRegular Gasoline

Service quick specs OEM factory data

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

This engine holds 5.3 qt of 5W-30 API engine oil, GL-5 · 80W-90 in the differential. Torque lug nuts to 83 ft-lbs. The firing order is 1-3-4-2.

Lubricants & capacities

Differential Gear OilGL-5 · 80W-90
Differential Gear Oil Capacity5.8 Pints
Engine Oil5W-30 · API
Engine Oil Capacity5.3 qt
Engine Oil5W-30 · API
Engine Oil Capacity5.5 qt
Transfer Case Fluid75W-90 · GL-4 · GL-5
Transfer Case Fluid Capacity2.6 Pints

Engine torques

Crankshaft Pulley and/or Damper Bolts192 ft-lbs
Crankshaft Pulley and/or Damper Bolts184 ft-lbs

Chassis torques

Lug Nuts83 ft-lbs
Transfer Case Fill Plug27.0 ft-lbs
Transfer Case Drain Plug27.0 ft-lbs
Front Wheel Hub159 ft-lbs
Rear Wheel Hub159 ft-lbs
Front Wheel Hub174 ft-lbs

Ignition

Cylinder Firing Order1-3-4-2
Curb Idle Speed (No Load)700 rpm
Curb Idle Speed Variance (No Load)50 rpm
Curb Idle Speed (No Load)700 rpm
Curb Idle Speed Variance (No Load)50 rpm
Spark Plug ManufacturerDenso
Spark Plug Gap0.043 in
Spark Plug Torque13 ft-lbs

Battery & A/C

RefrigerantR134a
Refrigerant Capacity1.43 lbs
Oil GroupPAG
Oil TypeND 8 oil
Oil Capacity7.61 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
Pressure Test17 psi
Radiator Cap Pressure Relief11-15 psi
Thermostat Opening Temperature176-183 °F
Injector Primary Resistance12-16 na ohms
Injector Primary Resistance13.4-14.2 na ohms

Brakes

Torque to Knuckle90 ft-lbs
Minimum Pad ThicknessFront: 0.039; Rear: 0.039 in
Minimum Shoe Thickness0.039 in
Rotor Runout Limit0.0028 in
Rotor Nominal Thickness From0.866 in
Rotor Nominal Thickness To0.866 in
Rotor Discard at or Under0.787 in
Drum Nominal Diameter11.614 in

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) · Brake Line (inspect) · Brake System (inspect) · CV Joint Boot (inspect) · Differential (inspect fluid level) · Drive Axle Assembly (inspect)
Every 30,000 miAccessory Drive Belt (inspect) · Engine Air Filter Element (replace) · Engine Coolant System (drain, flush & refill) · Fuel Line (inspect) · Fuel System (inspect) · Fuel Tank (inspect)
At 60,000 miAccessory Drive Belt (inspect)
Every 60,000 miEngine Valves (inspect valve lash) · Spark Plugs (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 Toyota 4Runner sits at the apex of an escalating complaint trend within its generation, logging 335 federal complaints—a sharp increase from 182 in 1996 and 270 in 1997, directly preceding a massive spike to 494 complaints in 2000. For the 1999 model specifically, the primary complaint categories are Structure (74), Tires (26), and Suspension (21), alongside 30 crash and 6 fire complaints, though the data does not specify the root causes for these failures. While complaints reached a high for the era, recalls dropped to just 3 in 1999, down from 5 in 1998, indicating these prevalent issues did not trigger corresponding federal recall actions. This positions the 1999 model year on the steep upward slope of an escalating reliability arc before the generation's worst performers, carrying notably higher risk than the mid-1990s predecessors. Given its placement in this trajectory of increasing structural and mechanical complaints, the 1999 4Runner is a risky purchase, and prospective buyers should consider earlier 1996-1997 models or later redesigned years for greater statistical reliability.

3
Open recalls
NHTSA campaigns
82
Service bulletins
Manufacturer communications
0
ODI investigations
Office of Defects Investigation
335
Owner complaints
30 involved a crash · 6 a fire
NHTSA crash-test rating federal NCAP · out of 5 stars
Rollover★★★★★

Owner complaints filed with NHTSA, by component

All 335 complaints on record, top 8 components.

Structure74
Tires26
Suspension21
Unknown Or Other18
Fuel System, Gasoline18
Suspension,Structure17
Power Train14
Service Brakes, Hydraulic13

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 2 campaigns on record for this vehicle.

06E049000Exterior LightingReported 24/05/2006

CERTAIN CK MOTORSPORTS COMBINATION HEADLIGHTS, CLEAR CORNER, BUMPER, AND SIDE MARKER LIGHTS SOLD AS REPLACEMENT LAMPS FOR USE ON THE PASSENGER VEHICLES LISTED ABOVE. SOME COMBINATION LAMPS THAT ARE NOT EQUIPPED WITH… Remedy: CK MOTORSPORT WILL NOTIFY OWNERS AND REPLACE THE NONCOMPLIANT LAMPS FREE OF CHARGE. THE RECALL BEGAN ON JULY 1, 2006. OWNERS MAY CONTACT CK MOTORSPORT AT 1-909-610-7211.

06E026000Exterior LightingReported 23/03/2006

CERTAIN PRO-A MOTORS CORNER LAMPS, TURN SIGNALS, AND HEADLIGHTS SOLD AS REPLACEMENT LAMPS FOR USE ON CERTAIN PASSENGER VEHICLES LISTED ABOVE. SOME COMBINATION LAMPS THAT ARE NOT EQUIPPED WITH AMBER SIDE REFLECTORS FAIL… Remedy: PRO-A MOTORS WILL NOTIFY OWNERS AND OFFER TO REPURCHASE THE LAMPS. THE RECALL BEGAN ON APRIL 3, 2006. OWNERS MAY CONTACT PRO-A MOTORS AT 323-838-2988.

Technical service bulletins NHTSA · verified

Showing 5 of 82 bulletins on record with NHTSA.

BulletinDateComponentSummary
T-SB-0043-142024-01-22EquipmentOBSOLETE NOTICE January 22, 2024: This bulletin is now obsolete. Please see T-SB-0057-18.
TSB0032202023-08-17Air BagsTSB: Replacement certification labels (the vinyl label installed on the driver door or…
T-SB-0057-182023-05-30EquipmentTSB: The Immobilizer and Smart Key Reset is a feature that allows the registration of new…
TTT0636202022-03-17Back Over PreventionTT: Some Toyota vehicles installed with Toyota Complete Maintenance Care (TCMC) brake…
Toyota PRO19-022022-01-12TiresPOL: This consolidated Tire Warranty Guide contains the complete warranty terms for all…

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 4runner. 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 1999 4runner L4 take?

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

Does the 1999 4runner have open recalls?

NHTSA lists 3 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the L4 get?

EPA figures are 18 city / 22 highway / 19 combined mpg.