JeepWagoneer1988Overview/jeep/wagoneer/1988/base/

1988 Jeep Wagoneer

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1988 Wagoneer.

Mechanically, the 1988 Jeep Wagoneer requires 5 quarts of engine oil with a filter change, accepting viscosities including 20W-40, 20W-50, or 10W-30 API. Ownership data indicates a stable profile with 0 recalls and only 3 total owner complaints, most frequently involving Engine & Engine Cooling. While the model's complaint history tracking covers 1990 through 2025 with highs of 188 complaints in 2022, the 1988 model year sits outside this range, placing it prior to the tracked period with a lower complaint count relative to later peaks.

Model year202520242023202219901989198819871986

Quick specs

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

Engine oil capacity5 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 length186.2 in
Overall width74.8 in
Overall height66.5 in
Wheelbase108.7 in
Curb weight4497 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 5 qt w/ filter of 20W-40 / 20W-50 / 10W-30 API engine oil, Front: 75W- in the differential, DOT 3 brake fluid.

Lubricants & capacities

Brake FluidDOT 3
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 Capacity5 qt w/ filter

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 52,500 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.

Every 7,500 miCV Joint Boot (inspect) · Driveshaft U-Joint (lubricate) · Engine Oil (drain & refill) · Engine Oil Filter (replace) · Exhaust System (Complete) (inspect) · Power Steering System (inspect)
Every 15,000 miBattery (inspect electrolyte level)
Every 22,500 miEngine Coolant System (drain, flush & refill)
Every 30,000 miBands (adjust) · Body Latches, Locks & Hinges (inspect) · Brake System (inspect) · Differential (inspect fluid level) · Distributor Vacuum Advance (inspect) · Drive Axle Assembly (drain & refill)
Every 52,500 miAccessory Drive Belt (inspect) · Distributor Cap (inspect) · Distributor Rotor (inspect) · Emission Control System (inspect) · Fuel Tank Filler Cap (inspect) · Spark Plug Wires (replace)
Every 82,500 miOxygen Sensor (replace)

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 1988 Jeep Wagoneer sits at the very front edge of the federal record, with the dataset beginning in 1990, so direct comparison is limited; what we do see for the target year is extremely sparse—just 3 complaints (2 in engine/engine cooling and 1 in vehicle speed control), 0 crash-related filings, and 1 fire complaint—suggesting very few reported problems in 1988 itself. The early-generation trend is anchored by a 1990 spike of 19 complaints, 5 recalls, and 2 investigations, which then collapses dramatically by 1991 (2 complaints, 2 recalls) and remains subdued through the mid-1990s and into the early 2000s, where annual complaint counts never exceed 6 and recalls dry up entirely after 1991. This arc implies the 1988 model year pre-dates the bulk of the federal complaint activity, and the few issues logged for it are isolated rather than systemic; the heavy tail seen in 20222025 (188, 92, and 44 complaints respectively, with 9 and 8 recalls) reflects a modern, redesigned vehicle sharing the nameplate rather than the original XJ-era Wagoneer this car belongs to. The absence of any recall entry for 1988 in this dataset, combined with only minor complaint categories, points to a relatively clean early-production example. For a used-vehicle buyer, the 1988 model year is arguably a sound pick within the generation, as the documented issues are minimal and concentrated well after its build date.

0
Open recalls
NHTSA campaigns
2
Service bulletins
Manufacturer communications
3
ODI investigations
Office of Defects Investigation
3
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 3 complaints on record, top 2 components.

Engine & Engine Cooling2
Vehicle Speed Control1

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

No recall campaigns on record with NHTSA for this vehicle as of the last data refresh.

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 1988 Wagoneer take?

5 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 1988 Wagoneer have open recalls?

NHTSA lists 0 recall campaign(s) for this model year. Check your specific vehicle by VIN.