1985 Mercury Topaz Service and Repair Manual

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Factory-Grade Data

The 1985 Mercury Topaz Service and Repair Manual is a practical, workshop-ready reference for maintenance, diagnostics, and repairs. Use it to troubleshoot symptoms, follow step-by-step procedures, verify specifications, and confirm wiring and connector locations before replacing parts.

Ideal for technicians and DIY owners, it supports everything from routine service to deeper mechanical and electrical work—including drivability, no-start, warning lights, overheating, brake and suspension issues, HVAC faults, and circuit testing.

Trims covered

  • Base Sedan 2-Door
  • Base Sedan 4-Door
  • GS Sedan 2-Door
  • GS Sedan 4-Door
  • LS Sedan 2-Door
  • LS Sedan 4-Door

Engines covered

  • 2.0L 1989CC 122Cu. In. l4 DIESEL SOHC Naturally Aspirated
  • 2.3L 140Cu. In. l4 GAS OHV Naturally Aspirated

What’s inside

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

Why this manual matters

  • Faster diagnostics with system-based troubleshooting and wiring diagrams
  • Clear procedures and reference sections to reduce guesswork and rework
  • Helpful for maintenance planning and verifying parts/specs before repairs

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Vehicle Safety Data

1985 Mercury Topaz Recalls & Complaints

NHTSA #85V13400022/10/1985Component: ELECTRICAL SYSTEM:IGNITION:MODULE

THE UNEXPECTED OPEN THROTTLE CAUSES AN INCREASE IN ENGINE SPEED WHICH COULD RESULT IN LOSS OF CONTROL OF THE CAR AND A POTENTIAL CRASH.

Remedy

REPLACE ELECTRONIC ENGINE CONTROL PROCESSOR, IF NECESSARY.

NHTSA #85V14500005/11/1985Component: SUSPENSION:REAR

REAR SUPENSION CONTROL ARM-TO-SPINDLE ATTACHMENT BOLTS MAY BE SUBJECT TO FRACTURE CAUSING THE REAR SPINDLE TO SEPARATE DURING USE OF CAR.

Remedy

REPLACE REAR SUSPENSION BOLTS AS NECESSARY.

NHTSA #85V08600003/07/1985Component: SUSPENSION:REAR

REAR SUSPENSION CONTROL ARM-TO-SPINDLE ATTACHMENT BOLTS MAY BE SUBJECT TO FRACTURE DURING USE OF CAR.

Remedy

REPLACE REAR SUSPENSION BOLTS AS NECESSARY.

TSB #623944

SOME VEHICLES MAY EXHIBIT HEATER CORE LEAKS. *SLC

TSB #623988

INFORMATION REGARDING TRANSMISSION FLUID USAGE CHARTS. *SLC

TSB #608431

INFORMATION ON THE NEW FLUSH AND FILL TOOL AVAILABLE THROUGH ROTUNDA. *TT

TSB #612203

INFORMATION REGARDING THE NEW TRANSMISSION COOLER FLUSHER- SERVICE TIP. *MJS

TSB #6090087

INFORMATION ON IDENTIFYING NON-APPROVED / ALTERNATE REFRIGERANTS WHICH COULD CAUSE SAFETY, AND PERFORMANCE CONCERNS IF INSTALLED IN FORD A/C SYSTEMS. *TT

TSB #6089681

SUBJECT ON A WIRE HARNESS TERMINAL REPAIR KIT AVAILABLE FOR REPAIRING ELECTRICAL WIRING HARNESSES. *TT

TSB #604059

FORD MOTOR COMPANY HAS RELEASED A NEW ELECTRICAL GREASE ( F8AZ - 19G208-AA ) TO REDUCE THE POSSIBILITY OF MOISTURE CORROSION AT THE TERMINALS. *YC

TSB #601343

A NEW SILICONE GASKET AND SEALANT. *YC

Showing the 8 most recent of 21 technical service bulletins on file with NHTSA.

19950808Component: ELECTRICAL SYSTEM:IGNITION:MODULECrash reported

VEHICLE DIES WHEN STOPPED AT TRAFFIC LIGHT. EEC PROCESSOR IS BAD. RECALL THAT RELATES, BUT NOT INCLUDED. TT

19960716Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM

REAR BRAKE ADJUSTER, CONTINUE TO FAIL, EVERY 6 MONTHS TAKE THE DRUMS OFF TO ADJUST PE96-005 ACTIVE. *AK

19960520Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM

REAR BRAKES FAILED. *SD

19960508Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM

PE96-005, REAR BRAKE ADJUSTING PIN FAILURE, CAUSING THE BRAKE NOT TO ADJUST PROPERLY. *AK CONSUMER STATES REAR BRAKES DO NOT AUTOMATICALLY ADJUST, BRAKES HAVE TO BE MANUALLY ADJUSTED EVERY COUPLE OF

19950329Component: VEHICLE SPEED CONTROL

INTERMITTENT SUDDEN ACCELERATION. TT

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