MitsubishiEclipse20042.4L/mitsubishi/eclipse/2004/2-4l/

2004 Mitsubishi Eclipse — 2.4L

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2004 Eclipse 2.4L.

Body PASSENGER CAREngine 2.4LTransmission Automatic (S4)

The 2004 Mitsubishi Eclipse 2.4L is a passenger car pairing a 2.4-liter engine with a four-speed automatic transmission, returning EPA fuel economy of 19 city, 25 highway, and 21 combined mpg. Its service specification calls for 4.5 quarts of oil in either 10W-30 or 5W-30 API grade, keeping maintenance straightforward for a researcher cross-referencing across model years. With 14 owner complaints and five recalls on file, this model year sits well below the Eclipse's 1990–2012 peak of 392 complaints logged in 1995, indicating a relatively well-sorted entry in the lineup provided the recall work was completed.

Model year201220112010200920082007200620052004

Quick specs

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

Engine oil capacity4.5 qtOEM · verified
Engine oil type10W-30 / 5W-30 APIOEM · verified
Lug nut torque65-80 ft-lbsOEM · verified
EPA fuel economy19/25/21 mpgEPA · verified

Fitment & sizes

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

From the factory this vehicle uses a BCI 86 · 525 CCA battery, OE oil filter MZ690116. 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 86 · 525 CCAOEM · verified
Tire sizeP205-55R16OEM · verified
Wheel / rim6-JJ inOEM · verified

OE service part numbers OEM · verified

Engine oil filterMZ690116 alt MZ690072
Engine air filterMB906051
Fuel filterMR993092
Spark plugMN163236 alt MN163235
Front wiper blades8250A536 alt 8250A174
Serpentine beltMN187016 alt MN187017
ThermostatMD328070 alt MD194988
Cabin air filterMR500360

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic (S4)

Dimensions & weight NHTSA vPIC

Overall length176.8 in
Overall width68.9 in
Overall height51.6 in
Wheelbase100.8 in
Curb weight3142 lb
Track (front / rear)59.1 / 58.3 in
Weight distribution (front / rear)63/37

Ratings & economy EPA / vPIC

EPA city / highway / combined19 / 25 / 21 mpg
DrivetrainFront-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 4.5 qt of 10W-30 / 5W-30 API engine oil, DOT 3 · DOT 4 brake fluid. Torque lug nuts to 65-80 ft-lbs, the oil drain plug to 18.0-22.0 ft-lbs. The firing order is 1-2-3-4-5-6. 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

Automatic Transmission FluidMitsubishi Diamond Queen SP-III
Automatic Transmission Fluid Capacity8.1
Brake FluidDOT 3 · DOT 4
Engine CoolantETHYLENE GLYCOL
Engine Oil10W-30 · API · 5W-30
Engine Oil Capacity4.5 qt
Manual Transmission Fluid75W-80 · GL-3
Manual Transmission Fluid Capacity4.7

Engine torques

Camshaft Bearing/Carrier Cap Bolts or StudsDOHC: 14 ft-lbs; SOHC:
Crankshaft Pulley and/or Damper Bolts15-21 ft-lbs
Engine Flywheel Bolts98 ft-lbs
Intake Manifold to Engine Bolts14 ft-lbs
Exhaust Manifold to Cylinder Head BoltsM8 fastners: 36 ft-lbs
Main Bearings57 ft-lbs
Engine Oil Pan Drain Plug18.0-22.0 ft-lbs

Chassis torques

Lug Nuts65-80 ft-lbs
Front Wheel Hub167 ft-lbs
Rear Wheel Hub166 ft-lbs

Ignition

Cylinder Firing Order1-3-4-2
Cylinder Firing Order1-2-3-4-5-6
Curb Idle Speed (No Load)700 rpm
Curb Idle Speed Variance (No Load)100 rpm
Ignition Coil Secondary Resistance8500-11,500 ohms
Spark Plug Gap0.028-0.035 in
Spark Plug Torque13.0 ft-lbs
Ignition Timing5, Not adjustable degrees

Battery & A/C

RefrigerantR134a
Refrigerant Capacity1.06-1.15 lbs
Oil GroupPAG
Oil Type46
Oil Capacity2.0 L
Standard BCI Group Number86
Standard BCI Cranking Performance525 cca

Service checks

Regulated Fuel System Pressure (Without Vacuum)47.0-50.0 psi
Regulated Fuel System Pressure (With Vacuum)38.0 psi
Engine Compression185-139 PSI. 14 Maximum variation PSI.
Engine Compression139-185 psi
Engine Oil Pressure4.2 psi @ Idle, 43-100 psi @ 3500 rpm psi
Intake Valve LashHydraulic in
Exhaust Valve LashHydraulic in

Brakes

Brake ApplicationWITH REAR DISC
Torque Caliper to Bracket32 ft-lbs
Torque to Knuckle44 ft-lbs
Torque Caliper to Bracket74 ft-lbs
Torque to Knuckle87-101 ft-lbs
Torque Caliper to Bracket28 ft-lbs
Torque to Knuckle74 ft-lbs
Minimum Pad ThicknessFront: 0.080; Rear: 0.080 in

Multi-step torque procedures OEM · verified

Connecting Rod (Large End) Bearings — tightening sequence 1 stages
115 ft. lbs., Step 2: 90-9415 ft. lbs
Cylinder Head — tightening sequence 5 stages
158 ft. lbs.58 ft. lbs
2Loosen all bolts completely.
315 ft. lbs.15 ft. lbs
490 degrees.90 degrees
590 degrees.90 degrees

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 miCabin Air Filter (replace) · Engine Oil (drain & refill) · Engine Oil Filter (replace) · Tire & Wheel Assembly (rotate)
Every 15,000 miAxle Shaft Oil Seal (inspect) · Brake Line (inspect) · CV Joint Boot (inspect)
Every 30,000 miAccessory Drive Belt (inspect) · Brake Drum Assembly (inspect) · Brake System (inspect) · Engine Air Filter Element (replace) · Engine Coolant System (drain, flush & refill) · Engine Coolant System Hoses (inspect)
At 60,000 miEngine Coolant System (drain, flush & refill)
Every 60,000 miDistributor Cap (inspect) · Distributor Rotor (inspect) · Fuel Evaporative Emission Control System (inspect) · Fuel System (inspect) · Spark Plug Wires (replace) · Spark Plugs (replace)
At 105,000 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 2004 Eclipse sits at the tail end of its third generation, where the complaint trend shows a dramatic decline from earlier peaks. The generation launched with 314 complaints in 2000 and 316 in 2001, then fluctuated before dropping to just 14 in 2004 and 6 in 2005, indicating that many issues were resolved as the model matured. Recalls also settled to a consistent 4–5 per year from 2002 onward, and investigations ceased entirely after 2001, while TSBs fell sharply from 115 in 2003 to 40 in 2004. The 2004 model’s top complaint areas—structure, service brakes, air bags, and steering—are each cited only 2–4 times, with 6 crash complaints and 1 fire complaint, though the data does not specify root causes. This year represents the low point in the generation’s problem arc, suggesting a well-sorted vehicle with minimal reported defects. For a used purchase, the 2004 Eclipse stands out as a particularly solid choice within its generation, provided the five recalls have been addressed.

5
Open recalls
NHTSA campaigns
40
Service bulletins
Manufacturer communications
0
ODI investigations
Office of Defects Investigation
14
Owner complaints
6 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 14 complaints on record, top 8 components.

Structure4
Service Brakes2
Air Bags2
Steering2
Electrical System,Unknown Or Other,Fuel/Propulsion System1
Air Bags,Structure,Wheels,Engine1
Fuel/Propulsion System1
Service Brakes, Air1

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 5 campaigns on record for this vehicle.

03V442000Fuel System, Gasoline:Delivery:Fuel PumpReported 04/11/2003

ON CERTAIN PASSENGER VEHICLES, THE FUEL RETURN LINE HOSE FITTING ON THE ELECTRIC FUEL PUMP MAY BE RESTRICTED, CAUSING EXCESSIVE FUEL PRESSURE TO BUILD UP IN THE FUEL INJECTION SYSTEM. EXCESSIVE FUEL PRESSURE MAY RESULT… Remedy: DEALERS WILL INSPECT THE FUEL PUMP PRESSURE. THOSE VEHICLES EXHIBITING HIGHER THAN NORMAL FUEL PUMP PRESSURE WILL RECEIVE FUEL PUMP MODIFICATIONS. THE RECALL BEGAN DECEMBER 3…

04V428000Equipment:Other:LabelsReported 01/09/2004

CERTAIN PASSENGER VEHICLES FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 208, 'OCCUPANT CRASH PROTECTION.' THE BILINGUAL ENGLISH/SPANISH REMOVABLE AIR BAG WARNING LABELS AFFIXED TO THE… Remedy: MITSUBISHI CARIBBEAN WILL MAIL A CUSTOMER NOTIFICATION LETTER CONTAINING A WRITTEN DESCRIPTION AND A GRAPHIC OF THE BI-LINGUAL DASHBOARD AIR BAG WARNING LABEL. IN ADDITION, ALL…

Technical service bulletins NHTSA · verified

Showing 5 of 40 bulletins on record with NHTSA.

BulletinDateComponentSummary
DEALER LETTER2023-07-21EquipmentThis is a Dealer Letter sent to dealers informing that Mitsubishi Technical Training has…
TSB-23-00-0042023-04-24StructureThis Technical Service Bulletin provides instructions and material safety data sheets for…
TSB-23-00-0012023-04-24EquipmentThis Technical Service Bulletin reviews the regulations that require a label showing the…
DEALER LETTER2023-04-21EquipmentThis is a Dealer Letter sent to dealers informing that Mitsubishi Technical Training has…
TSB-22-54-0032022-04-07Exterior LightingThis Technical Service Bulletin was sent to dealers to explain the difference between…

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 Eclipse. 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 2004 Eclipse 2.4L take?

4.5 qt of ABOVE 0 degreesF 10W-30 SL API, BELOW 100 degreesF 5W-30 SL API, per the factory manual.

Does the 2004 Eclipse have open recalls?

NHTSA lists 5 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the 2.4L get?

EPA figures are 19 city / 25 highway / 21 combined mpg.