1989 Ford Mustang Service and Repair Manual

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Covers all 1989 Mustang trims — GT Hatchback 2-Door, LX Convertible 2-Door, GT Convertible 2-Door +2 more ·
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1989 Ford Mustang service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Electrical coverage with wiring diagrams
  • Coverage across key systems: engine, transmission, brakes, steering, suspension, HVAC, and more

Trims covered

  • GT Hatchback 2-Door
  • LX Convertible 2-Door
  • GT Convertible 2-Door
  • LX Sedan 2-Door
  • LX Hatchback 2-Door

Engines covered

  • 5.0L 302Cu. In. V8 GAS OHV Naturally Aspirated
  • 2.3L 140Cu. In. l4 GAS SOHC Naturally Aspirated

Index / Table of contents

  • 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
NHTSA #08E05000011/08/2008Component: EXTERIOR LIGHTING:HEADLIGHTS

K2 MOTOR IS RECALLING 1,921 AFTERMARKET HEADLAMPS OF VARIOUS MODELS SOLD FOR USE ON THE ABOVE LISTED VEHICLES. THESE HEADLAMPS ARE MISSING THE AMBER SIDE REFLEX REFLECTOR WHICH FA

NHTSA #09E02500011/05/2009Component: EXTERIOR LIGHTING:HEADLIGHTS

DOPE, INC. IS RECALLING 42,540 COMBINATION CORNER AND BUMPER LAMP ASSEMBLIES OF VARIOUS PART NUMBERS SOLD FOR USE AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES. THESE HE

NHTSA #09E01200007/04/2009Component: EXTERIOR LIGHTING

SABERSPORT IS RECALLING 16,270 COMBINATION CORNER AND BUMPER LAMP ASSEMBLIES OF VARIOUS PART NUMBERS SOLD FOR USE AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES. THESE HE

TSB #623944

SOME VEHICLES MAY EXHIBIT HEATER CORE LEAKS. *SLC

TSB #623988

INFORMATION REGARDING TRANSMISSION FLUID USAGE CHARTS. *SLC

TSB #616522

SUBJECT REGARDING CONTAMINATION FROM PRIOR TRANSMISSION CONCERNS OR EXCESS WEAR MAY BE TRAPPED IN THE TRANSMISSION FLUID COOLING SYSTEM. *TT

TSB #608431

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

TSB #613234

INFORMATION REGARDING TSB 98-5A-12 (TRANSAXLE/TRANSMISSION/TRANSFER CASE-VEHICLES TOWED BEHIND RECREATIONAL VEHICLES-RECOMMENDED GUIDELINES) DOES NOT LIST TOWING INFORMATION FOR CERTAIN MODEL VEHICLES. *MJS

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

Showing the 8 most recent of 27 technical service bulletins on file with NHTSA.

20000121Component: ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERSFire reported3 injured

THE FUSE BOX CAUGHT ON FIRE WHEN CONSUMER ACCIDENTALLY DROPPED A PENNY INTO THE CIGARETTE LIGHT. CONSUMER FEELS THE FUSE SHOULD HAVE BLOWN TO PREVENT THE FIRE FROM OCCURING. NLM

19950915Component: SEAT BELTS:FRONT:RETRACTORCrash reported2 injured

DRIVER AND PASSENGER SIDE LAP/SHOULDER FAILED DID NOT RETRACT, IMPACT 1:00 POSITION SPEED 35 MPH. TT

20061016Component: VEHICLE SPEED CONTROLCrash reported1 injured

I JUST FILED A COMPLAINT 10-15-06, AND AFTER GOING OVER MY ACCIDENT THAT INVOLVED MY 1989 MUSTANG ON 11-05,, I DO BELIEVE THAT THE WRECK COULD HAVE BEEN RELATED TO THE FAUTLY EQUIM

Showing the 3 most serious of 127 complaints filed with NHTSA.

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