1990 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
- Classic Collection Coupe 2-Door
- Base Coupe 2-Door
- Collection Rouge Coupe 2-Door
Engines covered
- 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
THE HIGH TENSION LEAD FROM THE IGNITION COIL CAN MOVE FROM THE PRODUCTION LOCATION CLOSER TO THE #4A FUEL INJECTOR HOSE. THIS COULD LEAD TO THE OUTER AND INNER INJECTOR HOSES CRACKING OR SPLITTING FRO
SPLITTING OF THE INJECTOR HOSES WOULD CAUSE EXPULSION OFFUEL IN THE ENGINE COMPARTMENT AND RESULT IN
REPLACE THE HIGH TENSION LEADS WITH SHORTER HIGH TENSION LEADS. REPLACE BOTH THE FUEL INJECTOR AND T
ELECTRONICALLY CONTROLLED VALVES IN THE CRUISE CONTROL ACTUATOR MAY NOT FUNCTION PROPERLY DUE TO DIRT ENTERING THE VALVES.
CRUISE CONTROL WOULD NOT DISENGAGE UNDER NORMAL OPERATINGCONDITIONS WHICH COULD RESULT IN LOSS OF CO
REPLACE CRUISE CONTROL ACTUATOR AND INSTALL ADDITIONAL VACUUM DUMP VALVE.
EXCESSIVE FUEL VAPOR PRESSURE CAN OCCUR THAT, AFTER PROLONGED CYCLING, COULD WEAKEN THE FUEL TANK STRUCTURE.
THIS CAN CAUSE FUEL TANK LEAKS WHICH, IN THE PRESENCE OFAN IGNITION SOURCE, COULD RESULT IN A VEHICL
INSTALL A REVISED FUEL PURGE SYSTEM WHICH ELIMINATES EXCESSIVE VAPOR PRESSURE BUILD-UP.
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CONVERTABLE SOFT TOP REPLACING OUTER COVER. *EH
MOTORIZED AUTOMATIC DIAGONAL SEAT BELTS LIMITED LIFETIME WARRANTY FAULT DIAGNOSIS SYSTEM OPERATION. *EH
Showing the 8 most recent of 17 technical service bulletins on file with NHTSA.
PIRELLI TIRE BLEW OUT AT SIDEWALL WHILE IN SPARE TIRE COMPARTMENT, CAUSING ACCIDENT/LOSS OF CONTROL. *SD
VEHICLE CAUGHT FIRE WITHIN THE IGNITION SYSTEM. VEHICLE WAS TOTALED. *AK
THE JAGUAR XJS V12 FROM MID 1989-ON, EQUIPPED WITH MARELLI IGNITION HAS A DESIGN DEFECT IN THE DISTRIBUTOR ROTOR THAT RESULTS IN LOSS OF IGNITION ON THE RIGHT BANK OF CYLINDERS. THE MOTOR CONTINUES T
TL* THE CONTACT OWNS A 1990 JAGUAR XJS. THE CONTACT STATED THAT THE DRIVER'S AND PASSENGER'S SEAT BELTS ARE NOT LOCKING INTO PLACE. THE CONTACT STATED PREVIOUSLY THERE WAS A RECALL FOR THE SEAT BEL
CONSUMER SEEKING CONFIRMATION FOR THREE RECALLS INVOLVING THE 1990 XJS.*MR
Showing the 5 most serious of 19 complaints filed with NHTSA.
