1990 Mazda 626 Service and Repair Manual

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Factory-Grade Data

1990 Mazda 626 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

  • DX Sedan 4-Door
  • Base Sedan 4-Door
  • LX Hatchback 4-Door
  • LX Sedan 4-Door
  • GT Hatchback 4-Door

Engines covered

  • 2.2L 2184CC l4 GAS SOHC Naturally Aspirated
  • 2.2L 2184CC l4 GAS SOHC Turbocharged

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

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Vehicle Safety Data

1990 Mazda 626 Recalls & Complaints

NHTSA #93V17400029/10/1993Component: STRUCTURE:BODY:DOOR

RESIN MOLDED FRONT HANDLES FAIL AT THE DOOR LATCH ACTUATING ROD ATTACHMENT, FREEING THE ROD TO FALL INSIDE THE DOOR FRAME. SUBSEQUENT LOWERING OF THE ASSOCIATED WINDOW MAY FORCE THE ACTUATING ROD DOWN

Consequence

INADVERTENT ACTUATION OF THE DOOR LATCH CAUSES THE DOORTO OPEN UNEXPECTEDLY WHICH COULD RESULT IN AN

Remedy

DEALERS WILL REPLACE THE DOOR HANDLE/LATCH ASSEMBLY.

NHTSA #93E03500013/10/1993Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM:DRUM

THE GROOVE FOR THE REAR WHEEL BEARING RETAINER RING WAS INCORRECTLY MACHINED.

Consequence

IF THE RETAINING RING DOES NOT SIT CORRECTLY IN THEGROOVE, THE AXLE LUG NUTS WILL BREAK, CAUSING THE

Remedy

MIDAS SHOPS WILL REPLACE THE BRAKE DRUMS WITH OTHER BRAKE DRUMS FROM ANOTHER SUPPLIER.

TSB #10213425

Speedometer replacement procedure

TSB #10098367

IN ACCORDANCE WITH FEDERAL REGULATIONS, FOLLOW THE PROCEDURE LISTED BELOW WHEN REPLACING A SPEEDOMETER.NOTE:MAZDA VEHICLES ARE MANUFACTURED WITH TAMPER-PROOF SPEEDOMETERS.WHEN A SPEEDOMETER IS REPLACED, THE NEW SPEEDOMETER WILL READ ZERO (0

TSB #10009427

BATTERY TEST PROCEDURE REQUIREMENTS. *TT

TSB #10009424

SPEEDOMETER REPLACEMENT PROCEDURE. *TT

TSB #54319

PRE-PAINTING PREPARATIONS FOR FRONT AND REAR BUMPERS. *YC

TSB #52492

WIPER MOTOR INOPERATIVE - CIRCUIT BREAKER ACTIVATION. *TW

TSB #52497

USE OF A/C TRACER DYE. *TW

TSB #52503

MAINTENANCE FREE BATTERY - DIAGNOSTIC AND CHARGING PROCEDURE. *TW

Showing the 8 most recent of 9 technical service bulletins on file with NHTSA.

19950713Component: STEERINGCrash reported1 injured

CONSUMER WAS DRIVING ON THE FREEWAY AND LOST CONTROL OF THE CAR AND THE SEAT BELT FAIL HIT HER HEAD ON THE REAR VIEW MIRROR AND TWO IMPACT ON THE STEERING . TT

20050902Component: SUSPENSION:REARCrash reported

I WAS DRIVING AROUND A 25 MPH CORNER WHEN MY BACK END STARTED SLIDING,I TRIED TO CORRECT IT BY TURNING STEERING WHEEL TO THE OPPISITE DIRECTION,BUT IT JUST KEPT SLIDING AND I ENDED UP CRASHING INTO AN

19970808Component: ELECTRICAL SYSTEM:WIRINGFire reported

WHILE PARKED AN ELECTRICAL SHORT IN VEHICLE CAUSED THE ENGINE TO CATCH ON FIRE. EXACT CAUSE UNKNOWN. *AK

19961016Component: ENGINE AND ENGINE COOLING:ENGINE:GASOLINEFire reported

WHILE DRIVING VEHICLE LOST POWER, PULLED THE VEHICLE OVER AND FUMES WERE COMING FROM THE ENGINE WHICH CAUSED THE ENGINE TO CATCH ON FIRE. *AK

20041218Component: POWER TRAIN:AUTOMATIC TRANSMISSION

I BOUGHT A 1990 MAZDA 626 ABOUT A YEAR AGO. IT HAS AN ATX. RECENTLY THE CAR WOULD ONLY DRIVE IN ONE GEAR. I TOOK IT TO A BUDDY OF MINE THAT OWNS A TRANSMISSION SHOP. HE RAN A DIAGNOSTIC AND SAID THE

Showing the 5 most serious of 62 complaints filed with NHTSA.

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