MitsubishiMontero19973.0L/mitsubishi/montero/1997/3-0l/

1997 Mitsubishi Montero — 3.0L

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1997 Montero 3.0L.

Body SUVEngine 3.0LTransmission Automatic 4-spd

The 1997 Mitsubishi Montero is a midsize SUV built on Mitsubishi’s Montero platform and powered by a 3.0‑liter inline‑six, which requires 5.2 quarts of oil and is typically lubricated with 10W‑30 or 5W‑30 API‑rated oil. Its automatic four‑speed transmission, combined with EPA ratings of 14/17/15 mpg city/highway/combined, gives it a modest fuel economy for its class. In terms of owner sentiment, the 1997 model falls within a period of generally stable reliability, with only 98 total complaints—chiefly centered on engine and cooling issues—and a modest recall count of four, suggesting that while the Montero’s long‑term durability has room for improvement, this particular year is not among the most problematic in the 1990‑2006 span.

Model year199719961995199419931992199119901989

Quick specs

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

Engine oil capacity5.2 qtOEM · verified
Engine oil type10W-30 / 5W-30 APIOEM · verified
Lug nut torque72-87 ft-lbsOEM · verified
EPA fuel economy14/17/15 mpgEPA · verified

Fitment & sizes

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

From the factory this vehicle uses a BCI 24 · 490 CCA battery, OE oil filter MD352626. 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 · 490 CCAOEM · verified
Tire size4WD:P225-75R15OEM · verified
Wheel / rim6-JJ inOEM · verified

OE service part numbers OEM · verified

Engine oil filterMD352626
Engine air filterMR571473
Fuel filterMB868452
Spark plugMS851501 alt MD361067
Front wiper bladesMB683949
Serpentine beltMD186126 alt MD199223
ThermostatMD194988

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic 4-spd

Ratings & economy EPA / vPIC

EPA city / highway / combined14 / 17 / 15 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.

No 1997 road test on record; the results below are same-engine tests from nearby model years, each shown under its own year.

11.7–14.4 sec0–60 mph (tested)quickest 11.66 sec — 1989 LS
YearTrim / engine0–60¼ mileHPDrivetrain
1992SR 3.0L V612.20 sec18.80 sec150 hp4x4
1992SR 3.0L V614.40 sec19.90 sec150 hp4x4
1991LS 3.0L V613.40 sec19.20 sec141 hp4x4
1989LS 3.0L V611.66 sec18.78 sec143 hp4x4
1989LS 3.0L V613.00 sec19.00 sec143 hp4x4

Service quick specs OEM factory data

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

This engine holds 5.2 qt of 10W-30 / 5W-30 API engine oil, 85W-90 · 80W-90 in the differential, DOT 3 · DOT 4 brake fluid. Torque lug nuts to 72-87 ft-lbs, the oil drain plug to 29.0 ft-lbs. The firing order is 1-2-3-4-5-6.

Lubricants & capacities

Brake FluidDOT 3 · DOT 4
Differential Gear Oil85W-90 · 80W-90
Differential Gear Oil Capacity2.6 Pints
Differential Gear Oil85W-90 · 80W-90
Differential Gear Oil Capacity6.8 Pints,
Engine CoolantETHYLENE GLYCOL
Engine Oil10W-30 · API · 5W-30
Engine Oil Capacity5.2 qt

Engine torques

Camshaft Bearing/Carrier Cap Bolts or StudsTighten in 2
Crankshaft Pulley and/or Damper Bolts136 ft-lbs
Engine Flywheel Bolts54 ft-lbs
Main Bearings54 ft-lbs
Engine Oil Pan Drain Plug29.0 ft-lbs
Oil Pump to Cylinder BLock Bolts/Studs10 ft-lbs

Chassis torques

Lug Nuts72-87 ft-lbs
Transfer Case Fill Plug22.0-25.0 ft-lbs
Transfer Case Drain Plug22.0-25.0 ft-lbs

Ignition

Cylinder Firing Order1-2-3-4-5-6
Curb Idle Speed (No Load)700 rpm
Curb Idle Speed Variance (No Load)100 rpm
Spark Plug Gap0.039-0.0.043 in
Spark Plug Torque15.0-21.0 ft-lbs
Ignition Timing5, Not adjustable degrees
Ignition Timing Acceptable Variance3 degrees

Battery & A/C

RefrigerantR134a
Refrigerant Capacity1.31-1.41 lbs
Oil GroupPAG
Oil Type56
Oil Capacity4.10 oz
Standard BCI Group Number24
Standard BCI Cranking Performance490 cca

Service checks

Pressure Test23 psi
Radiator Cap Pressure Relief11-15 psi
Thermostat Opening Temperature177-183 °F
Engine Compression127-171 psi
Engine Oil Pressure11.4-11.6 psi
Engine Oil Pressure RPMIdle rpm
Intake Valve LashHydraulic in
Exhaust Valve LashHydraulic in

Brakes

Torque Caliper to Bracket32 ft-lbs
Torque to Knuckle65 ft-lbs
Minimum Pad ThicknessFront: 0.080; Rear: 0.080 in
Minimum Shoe Thickness0.039 in
Rotor Runout Limit0.0031 in
Rotor Nominal Thickness From0.709 in
Rotor Nominal Thickness To0.709 in
Rotor Minimum Machining0.646 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.

Every 7,500 miBrake Hydraulic System (inspect fluid level) · Clutch Master Cylinder (inspect fluid level) · Engine Oil (drain & refill) · Engine Oil Filter (replace) · Power Steering System (inspect)
Every 15,000 miAxle Shaft Oil Seal (inspect) · Brake Linings (inspect) · CV Joint Boot (inspect)
Every 30,000 miAccessory Drive Belt (inspect) · Brake System (inspect) · Differential (inspect fluid level) · Drive Axle Assembly (drain & refill) · Driveshaft U-Joint (inspect) · Engine Air Filter Element (replace)
Every 60,000 miFuel Evaporative Emission Control System (inspect) · Fuel Tank (inspect) · Fuel Tank Filler Cap (inspect) · Spark Plug Wires (replace) · Spark Plugs (replace) · 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 1997 model year sits at a high-activity peak within this generation’s federal record, with 98 complaints representing a sharp increase from 1996’s 29 and remaining elevated above 1998’s 80. Technical Service Bulletins spiked dramatically to 90 in 1997—nearly double 1996’s 54 and far exceeding 1998’s 42—while recalls held steady at four, up from two the prior year. This places 1997 near the apex of a mid-1990s surge that saw complaints and service activity escalate from the low levels of 1992-1994, with owner reports concentrated heavily in Engine & Engine Cooling (24) and Service Brakes, Hydraulic (11), alongside 8 crash-related and 5 fire-related complaints; the data does not specify root causes for these incidents. While not the generation’s worst year—that distinction belongs to 2002 with 174 complaints—1997 exhibits significantly higher federal scrutiny and documented issues than the years immediately preceding and following it. Given the elevated complaint volume, substantial TSB count, and presence of crash and fire reports without specified causation, prospective buyers should approach this model year with heightened diligence regarding maintenance history and pre-purchase inspection, particularly for engine and brake systems.

4
Open recalls
NHTSA campaigns
90
Service bulletins
Manufacturer communications
0
ODI investigations
Office of Defects Investigation
98
Owner complaints
8 involved a crash · 5 a fire
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 98 complaints on record, top 8 components.

Engine & Engine Cooling24
Service Brakes, Hydraulic11
Electrical System5
Suspension5
Structure5
Air Bags5
Steering4
Visibility4

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 2 campaigns on record for this vehicle.

98V205000Unknown Or OtherReported 02/09/1998

VEHICLE DESCRIPTION: PASSENGER VEHICLES EQUIPPED WITH ACCESSORY CARGO MATS IN THE THIRD-SEAT AND CARGO AREA. THIS CARGO MAT INTERFERES WITH THE LATCHING INTEGRITY OF THE FOLDING THIRD SEATS. Remedy: DEALERS WILL INSPECT THE THIRD-SEAT LATCH AND STRIKER. A RECTANGLE WILL BE REMOVED FROM THE CARGO MAT AROUND EACH STRIKER TO PROVIDE ADEQUATE STRIKER CLEARANCE AND PROPER LATCHING.

98V220000Service Brakes, Hydraulic:Foundation Components:Hoses, Lines/Piping, And FittingsReported 09/09/1998

VEHICLE DESCRIPTION: SPORT UTILITY VEHICLES. THE FRONT BRAKE LINES CAN DEVELOP PIN HOLES DUE TO CHAFFING AGAINST THE EDGE OF THE PASS-THROUGH HOLE IN THE INNER FENDER. Remedy: DEALERS WILL INSPECT THE FRONT BRAKE LINES FOR SIGNS OF WEAR AND ROUTING. IF THE LINES ARE NOT CORRECTLY CENTERED IN THE PASS-THROUGH HOLE, THE LINES WILL BE REPOSITIONED BY…

Technical service bulletins NHTSA · verified

Showing 5 of 90 bulletins on record with NHTSA.

BulletinDateComponentSummary
TSB-22-54-0032022-04-07Exterior LightingThis Technical Service Bulletin was sent to dealers to explain the difference between…
TSB-21-00-0102021-04-23EquipmentThis Technical Service Bulletin was sent to dealers to provide instructions and Material…
TIN-21-00-0032021-03-15EquipmentThis Technical Information Notice was sent to dealers reminding them of the importance of…
TT-20-00-0022020-08-28Electrical SystemTech Talk is a service newsletter that was sent out to dealers. It covers various topics…
TIN-20-42A-0012020-08-13StructureThis Technical Information Notice was sent to dealers informing that MMNA has recently…

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 Montero. 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 1997 Montero 3.0L take?

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

Does the 1997 Montero have open recalls?

NHTSA lists 4 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the 3.0L get?

EPA figures are 14 city / 17 highway / 15 combined mpg.