Problems owners report
Complaints filed with NHTSA about the 1984 Mercury Topaz, by the system named in each complaint. One complaint can name several.
- Electrical system7
- Engine and engine cooling3
- Visibility1
- Exterior lighting1
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 0 injuries and 0 deaths reported
Compared with other years
NHTSA ODI complaints by model year
Recalls in Canada
5 Transport Canada recalls for the 1984 Mercury Topaz.
| 1986070 26 Jun 1986 | Structure ON VEHICLES PRODUCED AT THE OAKVILLE ASSEMBLY PLANT, THE FORWARD SCREW THAT PROVIDES PART OF THE ATTACHEMENT BETWEEN THE DRIVER'S SEAT BACK ASSEMBLY AND THE SEA… |
| 1985079 28 Jun 1985 | Not Entered SOME OF THE AFFECTED VEHICLES WERE PRODUCED WITH REAR SUSPENSION CONTROL ARM - TO - SPINDLE ATTACHMENT BOLTS THAT MAY BE SUSCEPTIBLE TO FRACTURE DURING VEHICLE … |
| 1984081 28 Jun 1984 | Not Entered THE FRONT SLEEVE BUSHINGS OF THE COOLING FAN MOTORS ARE SUSCEPTIBLE TO EXCESSIVE CORROSION IN AREAS OF HIGH ROAD SALT USE. THIS MAY INCREASE THE ROTATIONAL FRI… |
| 1984078 19 Jun 1984 | Not Entered WHEN SEVERELY LOADED BY A FRONTAL IMPACT, THE SEAT BELT WEBBING MAY CONTACT THE LEADING EDGE OF THE FRONT SEAT-BACK STELL REINFORCEMENT PLATES. THIS MAY CAUSE … |
| 1983114 17 Dec 1983 | Not Entered THE UPPER TORSO RESTRAINT D-RING WHICH ATTACHES THE SHOULDER BELT TO THE B PILLAR, UNDER CERTAIN TEST CONDITIONS, SEPARATED FROM ITS ANCHORAGE, AND MAY NOT COMP… |
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada
Recalls
THE FORWARD BOLT THAT PROVIDES PART OF THE ATTACHMENT BETWEEN THE DRIVER'S SEAT BACK ASSEMBLY AND THE SEAT CUSHION FRAME MAY BE SUBJECT TO FATIGUE FRACTURE. CONSEQUENCE OF DEFECT: IF THIS BOLT BREAKS, THE DRIVER AND SEAT BACK WILL FALL BACK, WHICH COULD RESULT IN THE DRIVER LOSING CONTROL OF THE CAR AND POSSIBLY LEAD TO AN ACCIDENT.
REAR SUPENSION CONTROL ARM-TO-SPINDLE ATTACHMENT BOLTS MAY BE SUBJECT TO FRACTURE CAUSING THE REAR SPINDLE TO SEPARATE DURING USE OF CAR. CONSEQUENCE OF DEFECT: IF BOLTS FRACTURE AND REAR SPINDLE DISENGAGES FROM CONTROL ARM, LOSS OF CONTROL WILL BE EXPERIENCE WHICH MAY RESULT IN AN ACCIDENT.
REAR SUSPENSION CONTROL ARM-TO-SPINDLE ATTACHMENT BOLTS MAY BE SUBJECT TO FRACTURE DURING USE OF CAR. CONSEQUENCE OF DEFECT: IF BOLTS FRACTURE, REAR SPINDLE COULD DISENGAGE FROM CONTROL ARM AND POSSIBLY RESULT IN LOSS OF CONTROL.
THE BOLTS THAT ATTACH THE D-SHAPED RING FOR THE SHOULDER BELT ARE INADEQUATELY SUPPORTED BY THE MATERIAL IN WHICH THEY ARE MOUNTED. THE ATTACHMENT DOES NOT COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 210, "SEAT BELT ASSEMBLY ANCHORAGES".
IN THE EVENT OF A SHORT CIRCUIT IN THE INSTRUMENT PANEL, THE HEADLAMP AND INTERIOR ILLUMINATION CONTROL SWITCHES COULD OVERHEAT.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What Mercury told its dealers about the 1984 Mercury Topaz: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 623988 | INFORMATION REGARDING TRANSMISSION FLUID USAGE CHARTS. *SLC |
| 604059 | FORD MOTOR COMPANY HAS RELEASED A NEW ELECTRICAL GREASE ( F8AZ - 19G208-AA ) TO REDUCE THE POSSIBILITY OF MOISTURE CORROSION AT THE TERMINALS. *YC |
| 601343 | A NEW SILICONE GASKET AND SEALANT. *YC |
| 601290 | INFORMATION ON TIRE COMPANY TELEPHONE NUMBERS FOR CUSTOMER ASSISTANCE. *YC |
| 601012 | THE USE OF PETROLEUM-BASED GREASE AS A LUBRICANT IN SERVICING DISC BRAKES IS NO LONGER ACCEPTABLE. *YC |
| 53660 | VEHICLES EXHIBITING A "SQUEAKING" OR "CHIRPING" FROM THE BLOWER MOTOR AT LOW BLOWER MOTOR SPEEDS. *YC |
| 51990 | BLOWER MOTOR- "CHIRPING" OR "SQUEAKING" FROM BLOWER MOTOR AT LOW SPEEDS. *JD |
| 51945 | FLUID- TRANSMISSION FLUID USAGE CHARTS. *JD |
| 50940 | WINDSHIELD AND INTERIOR GLASS - FOG/FILM. *TW |
| 50908 | TORQUE CONVERTER - LEAK TEST PROCEDURE - SERVICE TIP. *TW |
| 50905 | WIRING - ELECTRICAL DIODE IDENTIFICATION AND SERVICE REPLACEMENTS. *TW |
| 46478 | THE USE OF PETROLEUM-BASED GREASE AS A LUBRICANT IN SERVICING DISC BRAKES IS NO LONGER ACCEPTABLE BECAUSE IT MAY BE INCOMPATIBLE WITH THE RUBBER MATERIAL USED IN THE DISC BRAKE SYSTEM. IF PETROLEUM-BASED GREASE IS USED TO LUBRICATE ANY PART OF THE DISC BRAKE SYSTEM, IT COULD CAUSE RUBBER PARTS TO SWELL IF LUBRICANT CONTACTS THE RUBBER MATERIAL. |
| 39900 | ROUGHNESS CONCERN DURING BRAKE APPLICATION. *TW |
| 3031200 | UNKNOWN |
NHTSA manufacturer communications (public domain)
NHTSA investigations
REAR BRK ADJUSTER FAILURE
REAR BRAKE SYSTEM FAILURE
HALFSHAFT FAILURE
STALLING
STEERING SYST. FAILURES
SEATBACK FAILURE
NHTSA Office of Defects Investigation