1994 Jaguar XJ12 Service and Repair Manual

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Fits the 1994 XJ12 — Base Sedan 4-Door ·
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1994 Jaguar XJ12 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

  • Base Sedan 4-Door

Engines covered

  • 6.0L 5994CC V12 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 #98V27100027/10/1998Component: STRUCTURE:BODY:HOOD

VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE HOOD LINER CAN SAG AND INTERFERE WITH THE THROTTLE LINKAGE.

Consequence

THIS CONDITION CAN CAUSE HIGH ENGINE IDLE SPEED, INCREASING THE RISK OF A CRASH.

Remedy

DEALERS WILL REPAIR THE HOOD LINER.

NHTSA #06E04300019/05/2006Component: FUEL SYSTEM, GASOLINE

CERTAIN REPLACEMENT FUEL FILTERS, FRAM BRAND NAME P/N G3727, WITH DATE CODES X52911 THROUGH X60801 SEQUENTIALLY OR X600141 AND A MEXICO COUNTRY OR ORIGIN MARKING ON THE FUEL FILTER HOUSING MANUFACTURE

Consequence

THIS CONDITION MAY CAUSE AN INADEQUATE SEAL AT THE CONNECTION, POTENTIALLY LEADING TO A FUEL LEAK. I

Remedy

HONEYWELL WILL NOTIFY OWNERS AND REPLACE THE FUEL FILTERS FREE OF CHARGE. THE RECALL BEGAN ON OCTOB

TSB #10212837

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TSB #10212857

Mongoose Update.

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DVD software update

TSB #10011897

SECURITY SYSTEM TRANSMITTER DIAGNOSTIC PROCEDURE. *EH

Showing the 8 most recent of 18 technical service bulletins on file with NHTSA.

19950131Component: SERVICE BRAKES, HYDRAULIC:POWER ASSIST:HYDRAULICCrash reported1 injured

BRAKE PUMP FAILED, CAUSING LOSS OF CONTROL/ACCIDENT/INJURY. *SKD

20000608Component: ELECTRICAL SYSTEM:IGNITIONFire reported

IGNITION FAILURE RESULTED IN VEHICLE FIRE, POSSIBLY RELATED TO THE FAULTY DESIGN OF THE MARELLI IGNITION SYSTEM. *MJS

19991110Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC COFire reported

THIS IS A 12 CYLINDER ENGINE WITH ONLY 6 CYLINDERS WORKING. THIS CAUSED UNBURNED FUEL AND AIR TO BE PUMPED INTO THE FUEL EXHAUST SYSTEM, WHICH THEN OVERHEATED THE CATALYTIC CONVERTER AND STARTED A FI

19991110Component: ENGINE AND ENGINE COOLING:ENGINEFire reported

THIS IS A 12 CYLINDER ENGINE WITH ONLY 6 CYLINDERS WORKING. THIS CAUSED UNBURNED FUEL AND AIR TO BE PUMPED INTO THE FUEL EXHAUST SYSTEM, WHICH THEN OVERHEATED THE CATALYTIC CONVERTER AND STARTED A FI

20070713Component: ENGINE AND ENGINE COOLING

TL*THE CONTACT OWNS A 1994 JAGUAR XJ12. THE CONTACT STATED THAT THE VEHICLE DEVELOPED A LEAK IN THE COOLANT EXPANSION TANK ALONG THE SEAM WELD. WHILE DRIVING 55 MPH, THE RADIATOR FLUID LEAKED AND TH

Showing the 5 most serious of 19 complaints filed with NHTSA.

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