HondaPilot2003Overview/honda/pilot/2003/base/

2003 Honda Pilot

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2003 Pilot.

Body SUVTransmission Automatic 5-spd

The 2003 Honda Pilot arrives as an SUV equipped with a five-speed automatic transmission and an engine that requires 5.1 quarts of 5W-20 oil, delivering EPA-estimated fuel economy of 15 city, 21 highway, and 17 combined mpg. Owner-reported data records 746 total complaints for this model year, with the powertrain ranking as the top complaint category and 14 recalls issued. Across the 2003–2025 Pilot history — where annual complaints have ranged from 101 in 2024 to 1,668 in 2016 — the 2003 falls well below the peak but substantially above the modern low, positioning it as an early model year with a moderate complaint burden relative to later generations.

Model year202420232022202120202019201820172003

Quick specs

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

Engine oil capacity5.1 qtOEM · verified
Engine oil type5W-20 APIOEM · verified
EPA fuel economy15/21/17 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 · 550 CCA battery. 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 · 550 CCAOEM · verified
Tire sizeP235-70SR16OEM · verified
Wheel / rim6.5 inOEM · verified

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic 5-spd

Dimensions & weight NHTSA vPIC

Overall length188.2 in
Overall width77.2 in
Overall height70.5 in
Wheelbase105.9 in
Curb weight4425 lb
Track (front / rear)66.9 / 66.5 in
Weight distribution (front / rear)55/45

Ratings & economy EPA / vPIC

EPA city / highway / combined15 / 21 / 17 mpg
Drivetrain4-Wheel or All-Wheel Drive
Recommended fuelRegular Gasoline

Performance & power Independent road tests

0–60 mph, quarter-mile, horsepower and torque from independent road tests.

Independent road tests for the Pilot of this era, listed by trim and engine — this page spans more than one engine, so no single horsepower figure is shown.

7.6–8.1 sec0–60 mph (tested)quickest 7.60 sec — 2003 EX
YearTrim / engine0–60¼ mileHPDrivetrain
2003EX 3.5L V67.60 sec15.90 sec240 hpAWD
2003EX 3.5L V67.80 sec16.10 sec240 hpAWD
2003EX 3.5L V68.10 sec16.30 sec240 hpAWD

Service quick specs OEM factory data

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

This engine holds 5.1 qt of 5W-20 API engine oil, DOT 3 brake fluid. Torque the oil drain plug to 29.0 ft-lbs. The firing order is 1-4-2-5-3-6.

Lubricants & capacities

Brake FluidDOT 3
Engine Oil5W-20 · API
Engine Oil Capacity5.1 qt
Transfer Case FluidGL-4 · GL-5 · 80W-90
Transfer Case Fluid Capacity0.9 Pints

Engine torques

Crankshaft Pulley and/or Damper Bolts181 ft-lbs
Engine Flywheel Bolts54 ft-lbs
Intake Manifold to Engine Bolts16 ft-lbs
Exhaust Manifold to Cylinder Head Bolts23 ft-lbs
Main Bearings11MM Bolts: 54 ft-lbs, 10MM Bolts: 36 ft-lbs
Engine Oil Pan Drain Plug29.0 ft-lbs
Oil Pump to Cylinder BLock Bolts/Studs9 ft-lbs

Chassis torques

Transfer Case Fill Plug33.0 ft-lbs
Transfer Case Drain Plug33.0 ft-lbs
Automatic Transmission Drain Plug36.0 ft-lbs
Front Wheel Hub181 ft-lbs
Rear Wheel Hub181 ft-lbs

Ignition

Cylinder Firing Order1-4-2-5-3-6
Curb Idle Speed (No Load)730 rpm
Curb Idle Speed Variance (No Load)50 rpm
Ignition Coil Primary Resistance.34-.42 ohms
Ignition Coil Secondary Resistance17,100-20,900 ohms
Spark Plug ManufacturerNGK
Spark Plug Gap0.039-0.0.043 in
Spark Plug Torque13.0 ft-lbs

Battery & A/C

RefrigerantR134a
Refrigerant Capacity1.51-1.62 lbs
Oil TypePAG 46
Oil Capacity6.00 oz
Standard BCI Group Number24F
Standard BCI Cranking Performance550 cca

Service checks

Pressure Test14-18 psi
Radiator Cap Pressure Relief14-18 psi
Thermostat Opening Temperature169-176 °F
Regulated Fuel System Pressure (With Vacuum)48.0-56.0 psi
Engine Compression145 minimum PSI. 28 maximum variation PSI.
Engine Oil Pressure10 psi @ idle, 71 psi @ 3000 rpm psi
Intake Valve Lash0.008-0.009 in
Exhaust Valve Lash0.011-0.013 in

Brakes

Torque Caliper to Bracket27 ft-lbs
Torque to Knuckle80 ft-lbs / 41 ft-lbs
Minimum Pad ThicknessFront: 0.063; Rear: 0.063 in
Minimum Shoe Thickness0.039 in
Rotor Runout Limit0.004 in
Rotor Nominal Thickness From1.098 in / 0.429 in
Rotor Nominal Thickness To1.106 in / 0.437 in
Rotor Discard at or Under1.024 in / 0.354 in

Multi-step torque procedures OEM · verified

Connecting Rod (Large End) Bearings — tightening sequence 1 stages
114 ft. lbs., Step 2: 9014 ft. lbs
Cylinder Head — tightening sequence 2 stages

Prep Step: 29 ft. lbs.

251 ft. lbs.51 ft. lbs
372.3

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 at 105,000 mi; coolant at 120,000 mi. The big-interval services (at 120,000 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) · Tire & Wheel Assembly (rotate)
At 15,000 miDrive Axle Assembly (drain & refill)
Every 15,000 miBrake Line (inspect) · Brake System (inspect) · CV Joint Boot (inspect) · Engine Oil Filter (replace) · Exhaust System (Complete) (inspect) · Fuel Line (inspect)
Every 30,000 miAccessory Drive Belt (inspect) · Cabin Air Filter (replace) · Drive Axle Assembly (drain & refill) · Engine Air Filter Element (replace) · Transmission Assembly (drain & refill)
At 45,000 miTransmission Assembly (drain & refill)
At 60,000 miDrive Axle Assembly (drain & refill)
At 105,000 miEngine Valves (inspect valve lash) · Spark Plugs (replace) · Timing Belt (replace) · Universal Vehicle Operation (inspect idle speed) · Water Pump (inspect)
At 120,000 miEngine Coolant System (drain, flush & refill)
At 180,000 miEngine Coolant System (drain, flush & refill)

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 2003 Honda Pilot entered the federal record with 746 complaints and 313 Technical Service Bulletins (TSBs), the latter being the highest TSB count in the provided dataset. Compared to the following year, 2004 saw a decrease to 544 complaints and 235 TSBs, though 2005 experienced a slight rebound to 679 complaints. Across the early arc of this generation, the 2003 model represents the peak of reported issues and technical bulletins before a general downward trend in complaints through 2010. Primary complaint areas for 2003 included the Power Train (182), Air Bags (99), and Electrical System (90), though the data does not specify the root causes of these failures. With 14 recalls and 5 investigations, the 2003 model's safety record remains consistent with the 2004 and 2005 model years. Given that this year carries the highest volume of TSBs and complaints of the early production run, it is not the ideal year to buy.

14
Open recalls
NHTSA campaigns
313
Service bulletins
Manufacturer communications
5
ODI investigations
Office of Defects Investigation
746
Owner complaints
43 involved a crash · 12 a fire
NHTSA crash-test rating federal NCAP · out of 5 stars
Rollover★★★★

Owner complaints filed with NHTSA, by component

All 746 complaints on record, top 8 components.

Power Train182
Air Bags99
Electrical System90
Structure39
Seats33
Engine & Engine Cooling27
Exterior Lighting23
Unknown Or Other20

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 14 campaigns on record for this vehicle.

19V182000Air Bags:Frontal:Driver Side:Inflator ModuleReported 06/03/2019

Honda (American Honda Motor Co.) is recalling specific 2003 Acura 3.2CL, 2013-2016 ILX, 2013-2014 ILX Hybrid, 2003-2006 MDX, 2007-2016 RDX, 2002-2003 3.2TL, 2004-2006, and 2009-2014 TL, 2010-2013 ZDX and 2001-2007 and… Remedy: Honda will notify owners, and dealers will replace the driver's air bag inflator with an alternate inflator, free of charge. The recall began April 10, 2019. Honda owners may…

19V501000Air Bags:Frontal:Passenger Side:Inflator ModuleReported 27/06/2019

Honda (American Honda Motor Co.) is recalling certain 2003-2006 Acura MDX, 2005-2012 RL, 2003-2007 Honda Accord, 2001-2005 Civic, 2003-2005 Civic Hybrid, 2001-2005 Civic GX NGV, 2002-2006 CR-V, 2003-2011 Element… Remedy: Honda will notify owners, and dealers will replace the passenger frontal airbag inflator, free of charge. The recall began August 12, 2019. Owners may contact Honda customer…

Technical service bulletins NHTSA · verified

Showing 5 of 313 bulletins on record with NHTSA.

BulletinDateComponentSummary
A18-0512026-06-30Air BagsService Bulletin - Warranty Extension: Customer Support Program For Front Passenger's…
A21-0192022-03-08StructureService Bulletin - Corrosion of the frame rail that supports the rear subframe may occur…
A21-0542021-05-28Power TrainService Bulletin - Case v. American Honda Motor Co., Inc., Case No. BC 424169 (Third…
A07-0302021-01-23Equipment"Service Bulletin - There are several A/C leak detection tools available. -Refrigerant…
A20-0092020-03-10Air BagsService Bulletin - This bulletin is a notification of a class action settlement relating…

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 Pilot. 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 2003 Pilot take?

5.1 qt of 5W-20 API, per the factory manual.

Does the 2003 Pilot have open recalls?

NHTSA lists 14 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the Pilot get?

EPA figures are 15 city / 21 highway / 17 combined mpg.