Mitsubishi›Montero›1999›3.5L/mitsubishi/montero/1999/3-5l/

1999 Mitsubishi Montero — 3.5L

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1999 Montero 3.5L.

Engine 3.5LTransmission Automatic 4-spd

The 1999 Mitsubishi Montero 3.5L sits on Mitsubishi’s M-body platform, powered by a 3.5‑liter inline‑four that requires 5.2 quarts of 10W‑30 or 5W‑30 API‑rated oil and is paired with a four‑speed automatic transmission, yielding EPA‑rated fuel economy of 14/18/16 mpg city/highway/combined. Its suspension, the single area where owner complaints peak, accounts for the 40 total complaints recorded for the year—though this is modest relative to the series’ 1990‑2006 peak of 174 complaints in 2002 and lowest of just one in 2005—suggesting that the 1999 model maintains a reasonably reliable reputation within the Montero lineage.

Model year2003 2000 1999 1998 1997 1996 1995 1994

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 economy14/18/16 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 filter	MD352626
Engine air filter	MR571473
Fuel filter	MB868452
Spark plug	MD361067
Front wiper blades	MB683949
Serpentine belt	MD199223 alt MD363023
Thermostat	MD350415

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

Transmission

Automatic 4-spd

Ratings & economy EPA / vPIC

EPA city / highway / combined	14 / 18 / 16 mpg
Drivetrain	4-Wheel or All-Wheel Drive
Recommended fuel	Regular Gasoline

Performance & power Independent road tests

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

No 1999 road test on record; the results below are same-engine tests from nearby model years, each shown under its own year.

9.1–11.8 sec0–60 mph (tested)quickest 9.10 sec — 2001 Limited

200 hpHorsepower (as tested)

Year	Trim / engine	0–60	¼ mile	HP	Drivetrain
2001	Limited 3.5L V6	9.10 sec	16.90 sec	200 hp	4x4
2001	Limited 3.5L V6	10.30 sec	17.60 sec	200 hp	4x4
2001	Limited 3.5L V6	11.80 sec	18.60 sec	200 hp	4x4
1996	SR 3.5L V6	10.50 sec	17.80 sec	200 hp	4x4
1995	SR 3.5L V6	9.90 sec	17.40 sec	200 hp	4x4

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 Fluid	DOT 3 · DOT 4
Differential Gear Oil	85W-90 · 80W-90
Differential Gear Oil Capacity	6.8 Pints,
Engine Coolant	ETHYLENE GLYCOL
Engine Oil	10W-30 · API · 5W-30
Engine Oil Capacity	5.2 qt
Power Steering Fluid	Use Mitsubishi PS fluid

Engine torques

Camshaft Bearing/Carrier Cap Bolts or Studs	Tighten in 2
Crankshaft Pulley and/or Damper Bolts	136 ft-lbs
Engine Flywheel Bolts	54 ft-lbs
Main Bearings	54 ft-lbs
Engine Oil Pan Drain Plug	29.0 ft-lbs
Oil Pump to Cylinder BLock Bolts/Studs	10 ft-lbs

Chassis torques

Lug Nuts	72-87 ft-lbs
Transfer Case Fill Plug	22.0-25.0 ft-lbs
Transfer Case Drain Plug	22.0-25.0 ft-lbs

Ignition

Cylinder Firing Order	1-2-3-4-5-6
Curb Idle Speed (No Load)	700 rpm
Curb Idle Speed Variance (No Load)	100 rpm
Spark Plug Gap	0.039-0.0.043 in
Spark Plug Torque	15.0-21.0 ft-lbs
Ignition Timing	5, Not adjustable degrees
Ignition Timing Acceptable Variance	3 degrees

Battery & A/C

Refrigerant	R134a
Refrigerant Capacity	1.31-1.41 lbs
Oil Group	PAG
Oil Type	56
Oil Capacity	4.10 oz
Standard BCI Group Number	24
Standard BCI Cranking Performance	490 cca

Service checks

Pressure Test	23 psi
Radiator Cap Pressure Relief	11-15 psi
Thermostat Opening Temperature	187-193 °F
Engine Compression	171-127 PSI. 14 maximum variation PSI.
Engine Compression	127-171 psi
Engine Oil Pressure	11.4-11.6 psi
Engine Oil Pressure RPM	Idle rpm
Intake Valve Lash	Hydraulic in

Brakes

Torque Caliper to Bracket	54 ft-lbs
Torque to Knuckle	65 ft-lbs
Torque Caliper to Bracket	32 ft-lbs
Torque to Knuckle	65 ft-lbs
Minimum Pad Thickness	Front: 0.080; Rear: 0.080 in
Minimum Shoe Thickness	0.039 in
Rotor Max Parallel Variation	0.0006 in
Rotor Runout Limit	0.0039 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 mi	Brake 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 mi	Axle Shaft Oil Seal (inspect) · Brake Linings (inspect) · CV Joint Boot (inspect)
Every 30,000 mi	Accessory 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 mi	Fuel Evaporative Emission Control System (inspect) · Fuel Tank (inspect) · Fuel Tank Filler Cap (inspect) · Spark Plug Wires (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 1999 model year represents a notable decline in reported complaints compared to the immediately preceding years, with 40 complaints versus 80 in 1998 and 98 in 1997, and sits below the subsequent 2000 model year's 56 complaints. Across this generation, federal records show a volatile pattern characterized by significant complaint spikes in 1995 (99), 1997 (98), and particularly 2002 (174), with 1999 falling in a relatively calm interim period featuring only 2 recalls, zero investigations, and 25 TSBs. While suspension issues lead the complaint count at 10 incidents followed by powertrain at 7, the specific root causes for these failures remain unspecified in the federal record; the year also generated 4 crash-related and 2 fire-related complaints. Given its position in a lower-complaint trough between higher-volatility years and substantially reduced technical service bulletin activity compared to the 90 documented in 1997, the 1999 Montero presents as a comparatively stable acquisition within this generation.

Open recalls

NHTSA campaigns

Service bulletins

Manufacturer communications

ODI investigations

Office of Defects Investigation

Owner complaints

4 involved a crash · 2 a fire

Owner complaints by model year NHTSA · this generation & adjacent

’90 ’91 ’92 ’93 ’94 ’95 ’96 ’97 ’98’99’00 ’02 ’04 ’05 ’06

Owner complaints filed with NHTSA, by component

All 40 complaints on record, top 8 components.

Suspension10

Power Train7

Air Bags4

Service Brakes, Hydraulic4

Engine & Engine Cooling3

Electrical System2

Air Bags,Unknown Or Other1

Steering1

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 2 campaigns on record for this vehicle.

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…

20V035000Air Bags:Frontal:Driver Side:Inflator ModuleReported 23/01/2020

Mitsubishi Motors North America, Inc. (MMNA) is recalling certain 1998-2000 Montero vehicles. These vehicles were equipped with Non-Azide Driver air bag Inflators (NADI) and do not contain phase stabilized ammonium… Remedy: MMNA will notify owners, and dealers will replace the air bag inflator, free of charge. The recall began February 25, 2021. Owners may contact MMNA customer service at…

Technical service bulletins NHTSA · verified

Showing 5 of 25 bulletins on record with NHTSA.

Bulletin	Date	Component	Summary
SR-20-001REV3	2023-06-23	Air Bags	This is a revised Safety Recall bulletin sent to dealers informing them of new Takata…
TSB-22-54-003	2022-04-07	Exterior Lighting	This Technical Service Bulletin was sent to dealers to explain the difference between…
TT253	2019-11-26	Equipment	This is a service newsletter (Tech Talk) that was sent out to dealers.
TSB-19-00-008	2019-07-30	Equipment	This is a Technical Service Bulletin sent to dealers. This bulletin supersedes…
TT237	2018-02-26	Equipment	This is a service newsletter (Tech Talk) that was sent out to dealers.

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.

Group 24 battery Vehicles taking 5.2 qt Engine oil filter MD352626 Engine air filter MR571473 Fuel filter MB868452 Spark plug MD361067

Reference guides

Cross-vehicle references for the kinds of data on this page.

Vehicle recalls & TSBs OBD-II trouble codes Maintenance schedules Fluid capacities & specs

Frequently asked

How much oil does the 1999 Montero 3.5L 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 1999 Montero have open recalls?

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

What gas mileage does the 3.5L get?

EPA figures are 14 city / 18 highway / 16 combined mpg.