1986 Jaguar XJS Service and Repair Manual

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Covers all 1986 XJS trims — Base Convertible 2-Door, C Sedan 4-Door, Base Coupe 2-Door ·
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1986 Jaguar XJS 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 Convertible 2-Door
  • C Sedan 4-Door
  • Base Coupe 2-Door

Engines covered

  • 5.3L 5343CC V12 GAS Naturally Aspirated
  • 5.3L 5343CC 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 #89V16800011/10/1989Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

EXCESSIVE FUEL VAPOR PRESSURE CAN OCCUR.

Consequence

THIS CREATES FUEL ODORS AND AFTER PROLONGED CYCLINGCOULD CAUSE WEAKENING OF THE FUEL TANK STRUCTURE,

Remedy

INSTALL REVISED PURGE SYSTEM COMPONENTS.

NHTSA #87V02500003/03/1987Component: ELECTRICAL SYSTEM:WIRING: REAR COMPARTMENT/TRUNK

ELECTRICAL WIRING HARNESS MAY HAVE BEEN INCORRECTLY INSTALLED AND COULD CAUSE A SHORT CIRCUIT.

Consequence

SHORT CIRCUIT COULD RESULT IN A ELECTRICAL FIRE.

Remedy

REROUTE HARNESS; IF CHAFED OR DAMAGED CONDITION WILL BE CORRECTED.

TSB #10212837

Image.

TSB #10212857

Mongoose Update.

TSB #10212838

Image.

TSB #10212843

Attachment.

TSB #10212844

Attachment.

TSB #10212845

Attachment.

19980820Component: FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY

DUE TO EXCESSIVE FUEL VAPOR PRESSURE THE FUEL TANK STRUCTURE HAS WEAKENED, RESULTING IN FUEL LEAKAGE. PLEASE PROVIDE ANY FURTHER DETAILS. *AK

19970925Component: FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY

FUEL TANK LEAKED FUEL PRIOR TO/AFTER RECALL REPAIRS (90V-123). *AK

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