MercuryTopaz1989Overview/mercury/topaz/1989/base/

1989 Mercury Topaz

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

Transmission Automatic 3-spd

The 1989 Mercury Topaz is a model that uses an Automatic 3-spd transmission and EPA fuel‑economy ratings of 19/24/21 mpg. Owner complaints total 52, with the Electrical System accounting for the majority and a single recall recorded. Across the model’s production years from 1990 through 1998, complaints peaked at 100 in 1994 but fell to just one in 1998, placing the 1989 model year at the lower end of the reliability curve for the line.

Model year199419931992199119901989198819871986

Quick specs

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

EPA fuel economy19/24/21 mpgEPA · verified

Fitment & sizes

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

OE service part numbers OEM · verified

ThermostatRT1062

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic 3-spd

Dimensions & weight NHTSA vPIC

Overall length177.2 in
Overall width68.1 in
Overall height52.8 in
Wheelbase100 in
Curb weight2606 lb
Track (front / rear)55.1 / 57.1 in
Weight distribution (front / rear)61/39

Ratings & economy EPA / vPIC

EPA city / highway / combined19 / 24 / 21 mpg
DrivetrainFront-Wheel Drive
Passenger volume90 cu ft
Cargo volume13 cu ft
Recommended fuelRegular Gasoline

Service quick specs OEM factory data

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

This engine DOT 3 brake fluid.

Lubricants & capacities

Brake FluidDOT 3
Engine CoolantETHYLENE GLYCOL

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 miEngine Oil (drain & refill) · Engine Oil Filter (replace)
Every 15,000 miTire & Wheel Assembly (rotate)
Every 30,000 miAccessory Drive Belt (inspect) · Brake Linings (inspect) · Engine Air Filter Element (replace) · Engine Breather Filter (replace) · Engine Coolant System (drain, flush & refill) · Exhaust System Heat Shield (inspect)
Every 60,000 miSpark Plugs (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 1989 Mercury Topaz sits in the middle of a decade that saw a gradual decline in federal complaints and recalls. In 1990 the model had 65 complaints and 2 recalls, dropping to 54 complaints in 1991 and 84 in 1992 before falling sharply to 13 in 1995; the 1989 model’s 12 electrical system complaints and 9 engine cooling issues are higher than the 1995 lows but lower than the 1992 peak. Recall activity was modest throughout the period, with only one or two recalls per year, indicating that the Topaz’s safety equipment generally met regulatory standards. The 1989 model’s crash complaint count of two and fire complaint count of five are below the average for the surrounding years, suggesting relatively better performance in those critical areas. Overall, the 1989 Topaz’s complaint profile is moderate and the trend toward fewer issues in later years implies that it is a reasonable purchase, provided you check for the noted electrical and engine cooling concerns.

1
Open recalls
NHTSA campaigns
34
Service bulletins
Manufacturer communications
3
ODI investigations
Office of Defects Investigation
52
Owner complaints
2 involved a crash · 5 a fire
NHTSA crash-test rating federal NCAP · out of 5 stars
Frontal★★★★
Side★★★★★
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 52 complaints on record, top 8 components.

Electrical System12
Engine & Engine Cooling9
Seat Belts7
Vehicle Speed Control4
Fuel System, Gasoline4
Steering3
Power Train3
Service Brakes, Hydraulic3

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 1 of 1 campaigns on record for this vehicle.

96V071000Electrical System:IgnitionReported 25/04/1996

THE IGNITION SWITCH COULD EXPERIENCE AN INTERNAL SHORT CIRCUIT. Remedy: DEALERS WILL REPLACE THE IGNITION SWITCH.

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
00152000-01-10Power TrainINFORMATION REGARDING THE NEW TRANSMISSION COOLER FLUSHER- SERVICE TIP. *MJS
992221999-10-18Electrical SystemSUBJECT ON A WIRE HARNESS TERMINAL REPAIR KIT AVAILABLE FOR REPAIRING ELECTRICAL WIRING…
991961999-09-20EquipmentINFORMATION ON IDENTIFYING NON-APPROVED / ALTERNATE REFRIGERANTS WHICH COULD CAUSE…

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 Topaz. 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

Does the 1989 Topaz have open recalls?

NHTSA lists 1 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the Topaz get?

EPA figures are 19 city / 24 highway / 21 combined mpg.