VolvoS402003Overview/volvo/s40/2003/base/

2003 Volvo S40

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2003 S40.

Body PASSENGER CARTransmission Automatic 5-spd

The 2003 Volvo S40 is a passenger car featuring a 5-speed automatic transmission and an EPA-rated fuel economy of 19/27/22 mpg. The engine requires 5.7 quarts of oil with a viscosity of 15W-40, 10W-30, or 5W-30 API. With 21 owner complaints—primarily in the power train area—and two recalls, this model year sits between the 134-complaint peak of 2000 and the 2011 low of five complaints within the 2000-2011 model history.

Model year201220112010200920082007200620052003

Quick specs

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

Engine oil capacity5.7 qtOEM · verified
Engine oil type15W-40 / 10W-30 / 5W-30 APIOEM · verified
Lug nut torque81 ft-lbsOEM · verified
EPA fuel economy19/27/22 mpgEPA · verified

Fitment & sizes

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

From the factory this vehicle uses a BCI 48 · 600 CCA battery, OE oil filter 1275810. Note the factory battery and front wiper blades are now discontinued — plan on a superseded or quality aftermarket equivalent, which the part pages below list where known. 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 48 · 600 CCAOEM · verified

OE service part numbers OEM · verified

Engine oil filter1275810
Engine air filter30850831
Fuel filter30620512
Battery9459948 discontinued
Front wiper blades31276593 discontinued
Serpentine belt30731808
Thermostat271664 alt 6842214
Cabin air filter31369415 alt 31369416

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic 5-spd

Dimensions & weight NHTSA vPIC

Overall length178.7 in
Overall width67.7 in
Overall height55.9 in
Wheelbase100.8 in
Curb weight2767 lb
Track (front / rear)57.9 / 57.9 in
Weight distribution (front / rear)61/39

Ratings & economy EPA / vPIC

EPA city / highway / combined19 / 27 / 22 mpg
DrivetrainFront-Wheel Drive
Passenger volume88 cu ft
Cargo volume13 cu ft
Recommended fuelPremium Gasoline

Performance & power Independent road tests

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

Independent road tests for the S40 of this era, listed by trim and engine — this page spans more than one engine, so no single horsepower figure is shown.

7.7–8.5 sec0–60 mph (tested)quickest 7.70 sec — 2000 Sedan
YearTrim / engine0–60¼ mileHPDrivetrain
2000Sedan 1.9L Turbo I-47.70 sec15.90 sec160 hpFWD
2000Sedan 1.9L Turbo I-48.50 sec16.40 sec160 hpFWD

Service quick specs OEM factory data

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

This engine holds 5.7 qt of 15W-40 / 10W-30 / 5W-30 API engine oil, DOT 4 brake fluid. Torque lug nuts to 81 ft-lbs, the oil drain plug to 28.0 ft-lbs. The firing order is 1-3-4-2. Note the cylinder-head bolts finish on a torque angle (torque-to-yield) — they stretch permanently and should be replaced, not reused, during any head service.

Lubricants & capacities

Brake FluidDOT 4
Engine Oil15W-40 · API · 10W-30 · 5W-30
Engine Oil Capacity5.7 qt
Power Steering FluidSYNTHETIC

Engine torques

Camshaft Bearing/Carrier Cap Bolts or Studs13 ft-lbs
Intake Manifold to Engine Bolts15 ft-lbs
Exhaust Manifold to Cylinder Head Bolts18 ft-lbs
Engine Oil Pan Drain Plug28.0 ft-lbs
Oil Pump to Cylinder BLock Bolts/Studs7 ft-lbs

Chassis torques

Lug Nuts81 ft-lbs

Ignition

Cylinder Firing Order1-3-4-2
Curb Idle Speed (No Load)775 rpm
Spark Plug Gap0.027-0.031 in
Spark Plug Torque18.0 ft-lbs
Ignition Timing0-15 degrees

Battery & A/C

RefrigerantR134a
Refrigerant Capacity1.88 lbs
Oil TypeVolvo part No. 1161 627-3
Oil Capacity6.09 oz
Standard BCI Group Number48
Standard BCI Cranking Performance600 cca

Service checks

Regulated Fuel System Pressure (Without Vacuum)44.0-46.0 Relative to manifold psi
Regulated Fuel System Pressure (With Vacuum)42.0-45.0 At injectors psi
Residual Pressure58.0-73.0 psi
Injector Primary Resistance11.6-12.4 ohms
Engine Compression159-188 psi
Engine Oil Pressure14.5 psi @ 800 rpm, 50.80 psi @ 4000 rpm psi

Brakes

Torque Caliper to Bracket26 ft-lbs
Torque to Knuckle74 ft-lbs
Minimum Pad ThicknessFront: 0.079; Rear: 0.079 in
Rotor Runout Limit0.0016 in
Rotor Minimum Machining0.87 in
Rotor Discard at or Under0.846 in

Multi-step torque procedures OEM · verified

Connecting Rod (Large End) Bearings — tightening sequence 1 stages
115 ft. lbs., Step 2: 9015 ft. lbs
Crankshaft Pulley and/or Damper Bolts — tightening sequence 1 stages
118 ft. lbs., step 2: 3018 ft. lbs
Cylinder Head — tightening sequence 3 stages
1Bolts 1 and 215 ft. lbs
2Bolts 3-1044 ft. lbs
3Turn all bolts 130 degrees.130 degrees
Engine Flywheel Bolts — tightening sequence 1 stages
133 ft. lbs., Step 2: 6533 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 45,000 mi; coolant every 15,000 mi. The big-interval services (every 15,000 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 miAxle Shaft Oil Seal (inspect) · Battery (inspect) · CV Joint Boot (inspect) · Driveshaft (inspect) · Driveshaft U-Joint (inspect) · Engine Oil (drain & refill)
Every 15,000 miBrake Hydraulic System (drain, refill & bleed) · Brake Linings (inspect) · Cabin Air Filter (replace) · Engine Coolant System (leak inspection) · Exterior Lighting (inspect) · Fuel Line (inspect)
At 30,000 miFuel Line (inspect)
Every 30,000 miBody Latches, Locks & Hinges (inspect) · Brake Line (inspect) · Weatherstrip Seal (inspect)
Every 37,500 miEngine Air Filter Element (replace)
Every 45,000 miPCV System (inspect) · Spark Plugs (replace)
At 60,000 miAxle Shaft Oil Seal (inspect) · CV Joint Boot (inspect) · Driveshaft (inspect) · Driveshaft U-Joint (inspect) · Exhaust System (Complete) (inspect) · Steering System (inspect)
Every 60,000 miAccessory Drive Belt (inspect)
At 105,000 miDrive Belt (replace) · Fuel Filter (replace) · PCV System (inspect) · Timing 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 2003 Volvo S40 sits at a notable inflection point in the model's lifecycle. Consumer complaints dropped sharply from 134 in 2000 to just 21 by 2003—the lowest point in the generation—while recall activity remained minimal at 2 campaigns. However, 2004 marks a dramatic shift, with complaints surging to 50 and recalls jumping to 6, suggesting the platform experienced increased reliability issues as it aged. The 2003 model's top complaint area was Power Train (7 instances), with no crash-related complaints and only one fire complaint recorded. Compared to the volatile early years and the spike that followed, 2003 represents the quietest year in the dataset with the fewest consumer complaints. This positions the 2003 S40 as potentially the most problem-free example within this generation, though buyers should still budget for the 161 technical service bulletins on file, which indicate ongoing manufacturer attention to various minor issues.

2
Open recalls
NHTSA campaigns
161
Service bulletins
Manufacturer communications
0
ODI investigations
Office of Defects Investigation
21
Owner complaints
0 involved a crash · 1 a fire
NHTSA crash-test rating federal NCAP · out of 5 stars
Rollover★★★★
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 21 complaints on record, top 8 components.

Power Train7
Suspension2
Electrical System2
Tires2
Fuel System, Gasoline2
Engine1
Power Train,Electrical System,Vehicle Speed Control1
Vehicle Speed Control1

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 2 campaigns on record for this vehicle.

03V424000Fuel System, GasolineReported 24/10/2003

ON CERTAIN SEDANS AND STATION WAGONS, THERE MAY BE A FUEL LEAK FROM THE FUEL RAIL DUE TO INADEQUATE WELDING. Remedy: DEALERS WILL INSTALL A V-CLAMP TO THE FUEL RAIL. OWNER NOTIFICATION BEGAN ON JANUARY 28, 2004. OWNERS SHOULD CONTACT VOLVO AT 1-800-458-1552.

03V284000Equipment:Other:LabelsReported 01/08/2003

CERTAIN PASSENGER CARS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 225, "CHILD RESTRAINT ANCHORAGE SYSTEMS." THE SECOND ISOFIX GUIDE WAS NOT INSTALLED IN THESE VEHICLES AND, IN… Remedy: OWNERS WILL RECEIVE A LETTER/PACKAGE CONSISTING OF THE SECOND ISOFIX GUIDE WITH INSTALLATION INSTRUCTIONS, AND IN CERTAIN CASES, THE CORRECTED OWNER'S MANUAL MAY BE PROVIDED. IF…

Technical service bulletins NHTSA · verified

Showing 5 of 161 bulletins on record with NHTSA.

BulletinDateComponentSummary
35526.1.82026-04-23EngineThis is a Technical Journal: Text plus 2 PDFs and 1 .PNG Oil Consumption test. Perform…
37809.1.12026-04-07Unknown Or OtherThis is a TJ text only - The purpose of this TJ is to be a master reference list to…
192452025-12-06Unknown Or OtherThis is a Technical Journal. Vehicle type and platform identification.
85012025-04-10Exterior LightingThis is a Technical Journal: Remote connection, BOMGAR application. Before joining a…
S103032025-02-21Unknown Or OtherVolvo Cars USA LLC and Volvo Car Canada LTD on behalf of the Volvo Car Corporation has…

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 S40. 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 S40 take?

5.7 qt of ABOVE 0 degrees F: 15W-40 API, -4 degrees F TO 104 degrees F: 10W-30 API, BELOW 68 degrees F: 5W-30 API, per the factory manual.

Does the 2003 S40 have open recalls?

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

What gas mileage does the S40 get?

EPA figures are 19 city / 27 highway / 22 combined mpg.