1988 Hyundai Excel Service and Repair Manual

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Covers all 1988 Excel trims — GLS Hatchback 4-Door, GL Sedan 4-Door, Base Sedan 4-Door +5 more ·
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1988 Hyundai Excel 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.

Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.

What’s included

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

Trims covered

  • GLS Hatchback 4-Door
  • GL Sedan 4-Door
  • Base Sedan 4-Door
  • GL Hatchback 4-Door
  • GL Hatchback 2-Door
  • GLS Sedan 4-Door
  • GLS Hatchback 2-Door
  • Base Hatchback 2-Door

Engines covered

  • 1.5L 1468CC 90Cu. 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 #93V16700004/10/1993Component: POWER TRAIN:MANUAL TRANSMISSION

THE MANUAL TRANSMISSIONS MAY LOCK UP FROM INSUFFICIENT LUBRICATION OF THE GEARS IN THE TRANSMISSION CASE. THIS CAN CAUSE THE DRIVE WHEELS TO SEIZE AND THE VEHICLE TO COME TO A SUDDEN STOP.

Consequence

SUDDEN STOPS WITHOUT PRIOR WARNING CAN CAUSE VEHICLEOCCUPANTS TO BE THROWN AROUND IN THE CAR, AND CA

Remedy

HYUNDAI WILL PERFORM A COST FREE TRANSMISSION OIL CHANGE.

TSB #10230904

This bulletin provides information regarding condensation related to the accumulated moisture in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. This TSB illustrates the various causes of condensation inside th

TSB #10189989

This bulletin provides the inspection procedure and repair guidelines for certain vehicles listed below.

TSB #10183963

This bulletin describes the procedure to inspect and identify fluid which may appear around the brake caliper area.

TSB #10183960

This bulletin provides tire vibration service procedures, including how to optimize vehicle vibration performance. For all wheel/tire balance claims, the Tire Balance Data Sheet must be fully completed including imbalance and Road Force Var

TSB #10174808

This bulletin provides information on identifying dealer stock vehicles with either: A Battery SOC alert - low Battery State of Charge (SOC) at or below 50%. A 30 Day alert - vehicle has not started and reported an SOC in 30 days.

TSB #51905

SHIFT CONDITION CAUSED BY SHORT CIRCUIT IN INHIBITOR SWITCH. *TW

TSB #39744

EXCELS EQUIPPED WITH HEATER CORES MANUFACTURED BY MANDO MAY EXPERIENCE COOLANT LEAKAGE FROM THE HEATER VALVE STEM ASSEMBLY. *TW

19950531Component: SEAT BELTSCrash reported1 injured

MOTORIZED SEAT BELT FAILED DURING AN ACCIDENT, RESULTING IN AN INJURY. *AK

19950404Component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEMCrash reported1 injured

HEATER LEAKED HOT COOLANT, BURNING DRIVER'S FOOT, PRIOR TO RECALL. (94V103)

19950503Component: VEHICLE SPEED CONTROLCrash reported

SUDDEN ACCELERATION, CAUSING LOSS OF CONTROL/ACCIDENT. *SKD

19950404Component: VEHICLE SPEED CONTROLCrash reported

SUDDEN ACCELERATION CAUSING ACCIDENT.

19990423Component: ENGINE AND ENGINE COOLING:ENGINE:GASOLINEFire reported

NO SUMMARY LISTED FOR THIS VEHICLE. *AK

Showing the 5 most serious of 64 complaints filed with NHTSA.

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