JeepWagoneer1986Overview/jeep/wagoneer/1986/base/

1986 Jeep Wagoneer

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1986 Wagoneer.

The 1986 Jeep Wagoneer arrives with a 4‑quart oil capacity and a recommended viscosity range of 20W‑40, 20W‑50, or 10W‑30 API, reflecting its period‑correct lubrication needs. Owner‑reported data for this model year shows five total complaints, with tires emerging as the leading concern, alongside five factory recalls that underscore early quality scrutiny. When placed against the broader model timeline spanning 1990 through 2025 — where complaint volumes peaked at 188 in 2022 and bottomed at just one in 1992 — the 1986 edition’s modest five‑complaint tally suggests a relatively trouble‑free start, though the equal number of recalls hints at areas where factory corrections were deemed necessary.

Model year202520242023202219901989198819871986

Quick specs

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

Engine oil capacity4 qt w/ filterOEM · verified
Engine oil type20W-40 / 20W-50 / 10W-30 APIOEM · verified

Full specifications

Engine, drivetrain, dimensions and economy.

Dimensions & weight NHTSA vPIC

Overall length186.6 in
Overall width74.8 in
Overall height66.5 in
Wheelbase108.7 in
Curb weight4262 lb

Performance & power Independent road tests

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

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

9.1–16.1 sec0–60 mph (tested)quickest 9.10 sec — 1987 Limited
YearTrim / engine0–60¼ mileHPDrivetrain
1987Limited 4.0L I-69.10 sec17.00 sec173 hp4x4
1984Limited 2.5L I-415.70 sec20.00 sec105 hp4x4
1963SUV 3.8L I-616.10 sec20.50 sec140 hp4x4

Service quick specs OEM factory data

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

This engine holds 4 qt w/ filter of 20W-40 / 20W-50 / 10W-30 API engine oil, Front: 75W- in the differential.

Lubricants & capacities

Differential Gear OilFront: 75W-
Differential Gear Oil Capacity2.5 Pints
Differential Gear OilFront: 75W-
Differential Gear Oil Capacity2.5 Pints
Engine CoolantETHYLENE GLYCOL
Engine Oil20W-40 · 20W-50 · API · 10W-30 · 10W-40 · 5W-30
Engine Oil Capacity4 qt w/ filter
Engine Oil20W-40 · 20W-50 · API · 10W-30 · 10W-40 · 5W-30

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; coolant every 22,500 mi. The big-interval services (every 22,500 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.

At 7,500 miAccessory Drive Belt (inspect)
Every 7,500 miBattery (inspect electrolyte level) · Brake Hydraulic System (inspect fluid level) · Clutch Master Cylinder (inspect fluid level) · Engine Oil (drain & refill) · Engine Oil Filter (replace) · Exhaust System (Complete) (inspect)
Every 15,000 miAccessory Drive Belt (inspect)
Every 22,500 miEngine Coolant System (drain, flush & refill)
Every 30,000 miBands (adjust) · Body Fasteners (torque) · Body Latches, Locks & Hinges (inspect) · Brake System (inspect) · Choke System (inspect) · Clutch Assembly (inspect)

Owner how-tos

Condensed service procedures for routine maintenance. Procedures that require dealer diagnostic equipment are identified and summarized only.

Common procedures

Key fob — remote (RKE) programming programming new fob buttons Dealer tool OEM · verified
Tool requiredDRBIII scan tool (dealer / locksmith)
WhyTransmitter codes are written into the receiver in the passenger door module
Anti-theft (SKIS) — module initialization after immobilizer module replacement Dealer tool OEM · verified
When neededAfter Sentry Key Immobilizer Module (SKIM) replacement
Tool requiredDRBIII scan tool
Also requiredThe vehicle's four-digit PIN code

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 1986 Jeep Wagoneer exhibits a low volume of federal reports, with five total complaints focused on tires, seat belts, and steering. This is significantly lower than the 1990 model year, which recorded 19 complaints and 5 recalls. Across the provided record, the generation remained relatively stable through 2001 before experiencing a massive surge in complaints and TSBs between 2022 and 2025. The 1986 model falls at the start of this arc, reporting only one crash complaint and no fire complaints. Given the minimal complaint volume relative to later years in the record, this is a good year to buy.

5
Open recalls
NHTSA campaigns
2
Service bulletins
Manufacturer communications
3
ODI investigations
Office of Defects Investigation
5
Owner complaints
1 involved a crash · 0 a fire
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 5 complaints on record, top 3 components.

Tires2
Seat Belts2
Steering1

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 5 campaigns on record for this vehicle.

89V219000Equipment:Other:LabelsReported 21/11/1989

TIRE RESERVE LOAD LABEL MAY NOT HAVE BEEN INSTALLED. Remedy: INSTALL PROPER LABEL.

85V139000Fuel System, Gasoline:Delivery:Hoses, Lines/Piping, And FittingsReported 29/10/1985

JEEPS MAY HAVE AN IMPROPERLY CONNECTED FUEL LINE FITTING WHICH COULD BECOME DISCONNECTED AND CAUSE GASOLINE TO BE SPILLED. CONSEQUENCE OF DEFECT: IF THE FUEL LINE BECOMES DISCONNECTED, SPILLS GASOLINE AND AN IGNITION… Remedy: RECONNECT FUEL LINE FITTING, AS REQUIRED.

Technical service bulletins NHTSA · verified

Showing 2 of 2 bulletins on record with NHTSA.

BulletinDateComponentSummary
987331997-12-01Power TrainSUBJECT ON CUSTOMER SATISFACTION NOTIFICATION #733--BRAKE PEDAL SHIFT INTERLOCK. *YC
2316931993-03-01Latches/Locks/LinkagesREDESIGNED LIFTGATE LATCH. *TW

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 Wagoneer. 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 1986 Wagoneer take?

4 qt w/ filter of ABOVE 30 degrees F: 20W-40 OR 20W-50 API, ABOVE 0 degrees F: 10W-30 OR 10W-40 API, BELOW 60 degrees F: 5W-30 API, per the factory manual.

Does the 1986 Wagoneer have open recalls?

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