1994 Mazda RX-7 Service and Repair Manual

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Covers all 1994 RX-7 trims — R2 Coupe 2-Door, Touring Coupe 2-Door, Base Coupe 2-Door ·
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1994 Mazda RX-7 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

  • R2 Coupe 2-Door
  • Touring Coupe 2-Door
  • Base Coupe 2-Door

Engines covered

  • 1.3L 1308CC R2 GAS 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
NHTSA #95V06900030/03/1995Component: FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

RESIDUAL ENGINE HEAT CAN CAUSE PREMATURE DETERIORATION OF THE FUEL HOSE CAUSING THE HOSE TO LEAK. ALSO, REMOVING AND REINSTALLING THE DETERIORATED FUEL HOSES INCREASES THE LIKELIHOOD OF A LEAK.

Consequence

THIS CONDITION CAN RESULT IN AN ENGINE COMPARTMENT FIRE.

Remedy

DEALERS WILL INSTALL AN ADDITIONAL CONTROL UNIT FOR THE ELECTRIC COOLING FAN. THE FAN WILL THEN ACTI

NHTSA #94V09400011/05/1994Component: ENGINE AND ENGINE COOLING:COOLING SYSTEM

THE RADIATOR CAP PRESSURE RELIEF VALVE RELEASE PRESSURE IS SET TOO HIGH. THIS CAN CAUSE THE COOLANT TO REACH TEMPERATURES THAT EXCEED THE THERMAL DESIGN LIMITS OF SOME COMPONENTS OF THE COOLANT SYSTEM

Consequence

IF ENGINE COOLANT LEAKS ONTO THE HOT ENGINE EXHAUST MANIFOLD FROM THE TOP OF THE ENGINE, AN ENGINE C

Remedy

DEALERS WILL INSPECT THE VEHICLES AND IF ANY VEHICLE EXHIBITS COOLANT LEAKAGE OR IF THE COOLANT LEVE

NHTSA #00E06900006/11/2000Component: LATCHES/LOCKS/LINKAGES:HOOD:LATCH

EQUIPMENT DESCRIPTION: MAZDA SPEED RESINOUS HOODS, DESIGNED AND SOLD AS ACCESSORY PARTS FOR MODEL YEAR 1992-1995 RX7 VEHICLES, MANUFACTURED BETWEEN JUNE 1, 1997, THROUGH SEPTEMBER 19, 2000.

Consequence

A HOOK ON A HOOD STRIKER FOR THE RESINOUS HOOD MAY SEPARATE FROM A BASE PLATE AT THE WELDED PORTION

Remedy

MAZDA WILL NOTIFY THE RX7 VEHICLE CUSTOMERS TO BRING THEIR VEHICLE TO A MAZDA DEALER TO HAVE THE HOO

NHTSA #96V14900002/08/1996Component: SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM:HOSES, LINES/PIPING, AND

OIL MIST CONTAINED IN THE ENGINE INTAKE AIR CAN COLLECT OVER TIME IN THE BRAKE VACUUM CHECK VALVE PREVENTING THE CHECK VALVE FROM OPENING AT THE SPECIFIED PRESSURE REDUCING POWER ASSIST TO THE BRAKES.

Consequence

BRAKE PERFORMANCE CAN BE DIMINISHED INCREASING THE RISK OF A VEHICLE ACCIDENT.

Remedy

DEALERS WILL REPLACE TWO VACUUM HOSES, INCLUDING THE CHECK VALVE, WITH MODIFIED HOSES.

TSB #10213425

Speedometer replacement procedure

TSB #10208555

Radio Unlocking Codes.

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 #603907

EXPERIENCING OIL LEAK AT REAR STATIONARY GEAR O-RING / ON - CAR REPLACEMENT PROCEDURE. *YC

TSB #603891

CONDITIONS WITH STEERING WHEEL SLIGHTLY OFF CENTER. *YC

TSB #603854

INFORMATION REGARDING SEAT BELT EXTENDERS. *YC

Showing the 8 most recent of 17 technical service bulletins on file with NHTSA.

19950608Component: AIR BAGS:FRONTALCrash reported1 injured

WENT OVER A CLIFF, HIT SOME TREES AND THE DRIVERS AIR BAG DID NOT DEPLOY. TT

19950608Component: AIR BAGS:FRONTALCrash reported1 injured

WENT OVER A CLIFF HIT SOME TREES AND THE PASSENGERS AIR BAG DID NOT DEPLOY. TT

20020307Component: FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEMFire reported

COMMON FAILURE OF FUEL PLUSATION DAMPER RESULTS IN FUEL LEAK UNDER HOOD AND ENGINE FIRE. SHOULD ISSUE RECALL AND DESIGN STRONG PART.*AK

19991018Component: ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOODFire reported

I WAS ON MY WAY TO WORK, DRIVING UNDER VERY NORMAL CONDITIONS. I HAD THE FOLLOWING ACCESSORIES ON AT THE TIME OF THE FIRE. HEATER, RADIO, REAR DEFROSTER, AND MAYBE THE HEADLIGHTS. I WAS STOPPED AT

20071222Component: FUEL SYSTEM, GASOLINE

MAZDA 1994 RX7 FD3S PULSATION DAMPENER FAILURE. CAUSED LOSS OF FUEL AND DAMAGE TO WIRE HARNESS. THE FUEL LEAKED ONTO AND INTO THE WIRE HARNESS AND CAUSED THE HARNESS TO BECOME SATURATED, DAMP AND BRIT

Showing the 5 most serious of 26 complaints filed with NHTSA.

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