1991 Jaguar XJS Service and Repair Manual
This factory service and repair manual for the 1991 Jaguar XJS is built around this model year's own 5.3L V12 (VIN 8), so the compression figures, ignition timing, and torque values inside match what Jaguar actually specified for your car instead of a generalized XJS baseline.
Engines
- 5.3L V12 (VIN 8) Gas
Trims
- Base Convertible 2-Door
- Classic Collection Coupe 2-Door
- Classic Collection Convertible 2-Door
- Base Coupe 2-Door
Known issues on the 1991 XJS. One recall is on federal record for this model year, covering the ignition system: the high tension lead from the ignition coil can shift closer to the #4A fuel injector hose, and the resulting hose cracking or splitting from ozone deterioration can allow fuel to leak into the engine compartment and ignite if it reaches a spark source. Owners have filed 8 complaints for the year, and no technical service bulletins are logged. The factory diagnostic and repair procedures behind that ignition and fuel delivery system are here.
Whether you're tracing that injector hose routing near the ignition coil or working through a standard V12 service interval, it keeps you on the OEM procedure and correct specification for your specific 1991 XJS.
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
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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.
FUEL LINE FAILURE CAUSED VEHICLE TO CAUGHT FIRE ON THREE DIFFERENT OCCASIONS. *YC
JAGUAR HAS BEEN AWEAR OF FREQUENT ENGINE FIRES IN THE V12 MODEL CARS FOR SEVERAL YEARS AND HAS RUN OUT OF REPLACEMENT IGNITION HARNESSS WORLD WIDE B/C OF THE PROBLEM. THEY HAVE A FAULTY DESIGNED LIGHT
WHEN BRAKING AT LOW SPEED, A LOUD THUNK IS HEARD FROM THE LEFT FRONT SUSPENSION, INVESTIGATION SHOWED THAT THE TOP OF THE FRONT CROSSMEMBER HAD BROKEN AWAY, THE INNER END OF THE CONTROL ARM WAS NO LON
VEHICLE WOULD OVERHEAT AND STALL OUT COMPLETELY DUE TO DEFECTIVE CATALYTIC CONVERTER. DEALER SAID THAT CATALYTIC CONVERTER SYSTEM NEEDED TO BE REPLACED.*AK
HAD JUST SHIFTED VEHICLE INTO REVERSE TO BACK OUT, WHEN VEHICLE TOOK OFF. HAD FOOT ON BRAKES AT THE TIME. THE ENGINE WAS REVVING AT THE TIME. DID NOT HIT ANYTHING. *AK
Showing the 5 most serious of 8 complaints filed with NHTSA.
