FordAerostar1989Overview/ford/aerostar/1989/base/

1989 Ford Aerostar

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1989 Aerostar.

Transmission Automatic 4-spd

The 1989 Ford Aerostar features a 4-speed automatic transmission and utilizes 4.0 quarts of 5W-30 API engine oil. This model achieves an EPA-rated fuel economy of 15/21/17 mpg. With six recalls and 289 total owner complaints primarily involving the electrical system, this model year sits relative to a broader history where complaints peaked at 471 in 1993 and dropped to a low of four in 1998.

Model year199719961995199419931992199119901989

Quick specs

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

Engine oil capacity4.0 qtOEM · verified
Engine oil type5W-30 APIOEM · verified
EPA fuel economy15/21/17 mpgEPA · verified

Fitment & sizes

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

OE service part numbers OEM · verified

ThermostatRT1054

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic 4-spd

Dimensions & weight NHTSA vPIC

Overall length174.8 in
Overall width71.7 in
Overall height72.8 in
Wheelbase118.9 in
Curb weight3102 lb
Track (front / rear)61.4 / 59.8 in

Ratings & economy EPA / vPIC

EPA city / highway / combined15 / 21 / 17 mpg
DrivetrainRear-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 4.0 qt of 5W-30 API engine oil, DOT 3 brake fluid.

Lubricants & capacities

Brake FluidDOT 3
Differential Gear Oil Capacity5.2 Pints
Engine Oil5W-30 · API
Engine Oil Capacity4.0 qt
Power Steering FluidATF
Transfer Case FluidATF
Transfer Case Fluid Capacity4.5 pt

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.

At 7,500 miTire & Wheel Assembly (rotate)
Every 7,500 miClutch Master Cylinder (inspect fluid level) · Driveshaft U-Joint (lubricate) · Engine Oil (drain & refill) · Engine Oil Filter (replace) · Power Steering System (inspect) · Shift Linkage (lubricate)
Every 15,000 miDisc Brake Caliper Guide Pin (lubricate) · Parking Brake System (inspect) · Tire & Wheel Assembly (rotate)
Every 30,000 miAccessory Drive Belt (inspect) · Brake Hydraulic System (inspect fluid level) · Brake System (inspect) · Engine Air Filter Element (replace) · Engine Coolant System (drain, flush & refill) · Exhaust System (Complete) (inspect)
Every 60,000 miIdle Air Bypass Solenoid (inspect) · PCV Valve (replace) · Spark Plug Wires (replace) · Spark Plugs (replace) · Transmission Assembly (drain & refill)

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 1989 Ford Aerostar is not directly captured in the federal record, which begins with 1990 data; however, the trend from the subsequent years provides context. Complaints rose steadily from 238 in 1990 to a peak of 471 in 1993—suggesting that early-model-year vehicles, including the 1989, may have accumulated issues as they aged and as owner reports flooded in. The 1989 model's top complaint areas (Electrical System at 96, Fuel System at 52, and notably 86 fire complaints) indicate specific trouble spots, though the data does not specify root causes. By 1998–2000, complaints had dropped to single digits, reflecting either resolved issues or reduced usage of older models. This places the 1989 Aerostar near the beginning of a trouble arc that peaked mid-decade, meaning buyers should anticipate age-related electrical and fuel-system concerns; however, the very low complaint counts in later years suggest the model eventually stabilized. A concrete takeaway: the 1989 is among the earlier examples of a generation that saw significant problems emerge, so prospective buyers should budget for thorough pre-purchase inspections, particularly of wiring and fuel-system components, and factor in that this year falls at the start—not the peak—of the reported issue trend.

6
Open recalls
NHTSA campaigns
34
Service bulletins
Manufacturer communications
9
ODI investigations
Office of Defects Investigation
289
Owner complaints
24 involved a crash · 86 a fire
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 289 complaints on record, top 8 components.

Electrical System96
Fuel System, Gasoline52
Seat Belts29
Power Train27
Service Brakes, Hydraulic17
Engine & Engine Cooling17
Vehicle Speed Control8
Structure6

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 6 campaigns on record for this vehicle.

90V144000Seats:Front Assembly:ReclinerReported 06/08/1990

THE SECOND ROW RIGHT HAND SEAT ASSEMBLY HAS A TILT FORWARD FUNCTION. A LATCH RETAINS THE SEAT IN THE NORMAL RIDE POSTION, AND THIS LATCH MAY RELEASE UNDER SEVERE FRONTAL IMPACT CONDITIONS, ALLOWING THE SEAT TO PIVOT… Remedy: REPLACE SEAT PAWL ASSEMBLY WITH A REVISED DESIGN ASSEMBLY.

98E010000Service Brakes, Air:Disc:RotorReported 08/04/1998

EQUIPMENT DESCRIPTION: AFTERMARKET BRAKE ROTORS FOR USE ON CERTAIN FORD AND MAZDA TRUCKS. CRACKED CASTINGS CAUSED CRACKS TO APPEAR ON THE OUTER DIAMETER OF THE ROTOR HAT OR AROUND THE STUD HOLE. Remedy: AIMCO WILL REIMBURSE CONSUMERS/INSTALLERS FOR THE COST OF REPLACEMENT ROTORS AND INSTALLATION. CONSUMERS ARE REQUESTED TO RETURN TO THE LOCATION WHERE THE ROTORS WERE ORIGINALLY…

Technical service bulletins NHTSA · verified

Showing 5 of 34 bulletins on record with NHTSA.

BulletinDateComponentSummary
011562001-08-06VisibilitySOME VEHICLES MAY EXHIBIT HEATER CORE LEAKS. *SLC
011572001-08-06Unknown Or OtherINFORMATION REGARDING TRANSMISSION FLUID USAGE CHARTS. *SLC
011242001-06-25Engine And Engine CoolingON SOME VEHICLES, ENGINE OIL MAY CONTINUE TO LEAK FROM THE ENGINE OIL PAN GASKET AREA…
0023102000-11-13Power TrainSUBJECT REGARDING CONTAMINATION FROM PRIOR TRANSMISSION CONCERNS OR EXCESS WEAR MAY BE…
00152000-01-10Power TrainINFORMATION REGARDING THE NEW TRANSMISSION COOLER FLUSHER- SERVICE TIP. *MJS

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 Aerostar. 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 1989 Aerostar take?

4.0 qt of 5W-30 API, per the factory manual.

Does the 1989 Aerostar have open recalls?

NHTSA lists 6 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the Aerostar get?

EPA figures are 15 city / 21 highway / 17 combined mpg.