1988 Jaguar XJ6 Service and Repair Manual

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Covers all 1988 XJ6 trims — Sovereign Sedan 4-Door, Base Sedan 4-Door ·
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1988 Jaguar XJ6 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

  • Sovereign Sedan 4-Door
  • Base Sedan 4-Door

Engines covered

  • 3.6L 3590CC l6 GAS DOHC 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 #87V10500015/07/1987Component: EXTERIOR LIGHTING:BRAKE LIGHTS

CRUISE CONTROL MAY FAIL TO DISENGAGE IN A NORMAL MANNER UPON APPLICATION OF THE BRAKES, AND THE REAR BRAKE LAMPS MAY FAIL DUE TO MALFUNCTION OF BRAKE LAMP MICROSWITCH ASSEMBLY.

Consequence

POSSIBLE LOSS OF STOP LAMPS AND FAILURE OF CRUISECONTROL TO DISENGAGE IN THE NORMAL MANNER MAY RESU

Remedy

INSTALL A MODIFIED MICROSWITCH IN ALL VEHICLES.

NHTSA #88V01800012/02/1988Component: SUSPENSION:FRONT:SPRINGS:COIL SPRINGS

CERTAIN FRONT SUSPENSION LOWER SPRING PAN FIXINGS MAY FAIL DUE TO STRESS CORROSION.

Consequence

THIS MAY ALLOW THE CARS FRONT SUSPENSION TO SETTLE ONTOTHE BUMP STOP ON ONE SIDE.

Remedy

INSTALL REVISED SPECIFICATION FRONT SUSPENSION SPRING PAN FIXINGS.

TSB #10212837

Image.

TSB #10212857

Mongoose Update.

TSB #10212838

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TSB #10212843

Attachment.

TSB #10212844

Attachment.

TSB #10212845

Attachment.

20081017Component: SERVICE BRAKES, HYDRAULICCrash reported3 injured

I HAVE A JAGUAR XJ6 1988 FOR ABOUT 3 YEARS I NEVER USE IT UNTIL DECEMBER 2007. I BECAME INVOLVED IN AN ACCIDENT AROUND DEC. 15 2007. THE POLICE SAY THAT IT WAS MY FAULT BECAUSE I WAS MOVING TO FLORDIA

19960512Component: VEHICLE SPEED CONTROLCrash reported

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

20070706Component: TIRES:TREAD/BELT

TIRE BEGAN TO CAUSE VIBRATION CAUSED BY THREAD SEPARATION. EVENTUALLY ALL FOUR OF A NEW SET OF COOPER LIFELINER TOURER 205/70/R15 HAD TREAD SEPARATION. FAILURE CAUSE LACK OF CONTROL OF VEHICLE AT SP

19991109Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS

NO SUMMARY

19990721Component: SERVICE BRAKES, HYDRAULIC:POWER ASSIST

HYDRAULIC SYSTEM FOR POWER BRAKES AND REAR SUSPENSION REPEAT FAILURES WITH EACH REPAIR. LOSS OF BRAKES

Showing the 5 most serious of 14 complaints filed with NHTSA.

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