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1991 Jaguar XJS CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Jaguar REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
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- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1991 Jaguar XJS car and truck
repair procedures including Jaguar engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up &
drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install
procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix
your Jaguar XJS automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 1991 Jaguar XJS AUTOMOBILES
Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 1991 Jaguar XJS Classic Collection 5.3 V12 GAS
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BRAKE SERVICE PROCEDURES FOR 1991 Jaguar XJS AUTOMOBILES
JAGUAR -> DIAGNOSIS & TESTING -> Defective Warning Lamp Driver -> ECU FAILURES -> Failures Detected By Internal Time-Out -> MEMORY ERASE -> Miscellaneous Warning Lamp Displays/Conditions -> SELF-DIAGNOSTIC TROUBLE CODES -> Short Circuit At Diagnosis Trigger Input -> Warning Lamp Path Faults
Vehicle: 1991 Jaguar XJS Classic Collection 5.3 V12 GAS
SELF-DIAGNOSTIC TROUBLE CODES
- Ensure ignition is in off position.
- Locate 3-way Econoseal diagnostic connector near ABS control unit.
- Short black lead to brown/pink lead.
- Turn ignition to on position and observe warning lamp.
- Following six seconds, blink sequence of first trouble code will begin.
- Count and record flashes resulting in a two digit number, Fig. .
- When no additional trouble codes are stored in memory, warning lamp will remain off.
- Refer to Figs. through for ABS wiring circuits.
- Refer to Fig. for diagnostic trouble codes.
MEMORY ERASE
- Complete diagnostic troubl...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 Jaguar XJS AUTOMOBILES
Jaguar -> Fuel Shutoff Switch Location -> 1991-96 XJS
Vehicle: 1991 Jaguar XJS 5.3 V12 GAS
The inertia switch is loc...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1991 Jaguar XJS AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 1991 Jaguar XJS 5.3 V12 GAS
- Raise and support vehicle on a four post lift.
- Remove front muffler and attached exhaust pipes.
- Match mark front driveshaft coupling to transmission drive flange.
- Unbolt driveshaft from transmission.
- Remove nuts and bolts connecting flexible coupling to differential driv...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 Jaguar XJS AUTOMOBILES
Starter, Replace
Vehicle: 1991 Jaguar XJS Classic Collection 5.3 V12 GAS
- Disconnect battery ground cable.
- Raise and support vehicle.
- Remove right exhaust pipe from over-axle pipe forward.
- Remove right front catalytic converter assembly for access.
- Remove heat shield fr...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1991 Jaguar XJS AUTOMOBILES
Jaguar -> Anti-Lock Brake System (ABS)/Traction Control System (TCS) Indicator -> 1990-94
Vehicle: 1991 Jaguar XJS Classic Collection 5.3 V12 GAS
This lamp is used to warn of a malfunction in the anti-lock brake system. After system diag...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 Jaguar XJS AUTOMOBILES
Heater Hose, Replace -> Bypass -> Inlet -> Outlet
Vehicle: 1991 Jaguar XJS 5.3 V12 GAS
Inlet
- Drain coolant into a suitable container.
- Release and reposition hose clip, and disconnect hose from heater control valve.
- Release and reposition hose clip, and disconnect hose from heater core.
- Remove hose assembly from vehicle.
- Reverse procedure to install.
Outlet
- Drain coolant into a suitable container.
- Release and reposition hose clip, and disconnect hose from heater control...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1991 Jaguar XJS AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1991 Jaguar XJS 5.3 V12 GAS
- Disconnect battery ground cable.
- Loosen jockey pulley carrier securing block.
- Loosen trunnion lock...
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COMPONENT LOCATION DIAGRAMS FOR 1991 Jaguar XJS AUTOMOBILES
Component location diagrams for most 1991 Jaguar XJS cars and light trucks sold in the U.S. from 1990+.
 Windshield Wipers/Washers Diagram for 1991 Jaguar XJS 5.3 V12 GASComponents on diagram: |
 Fuel Injection System Diagram for 1991 Jaguar XJS Classic Collection 5.3 V12 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 1991 Jaguar XJS AUTOMOBILES
OEM drawn wiring diagrams for most 1991 Jaguar XJS cars and light trucks sold in the U.S.
 1991 Jaguar XJS Classic Collection 5.3 V12 GAS Wiring DiagramComponents on diagram: |
 1991 Jaguar XJS Classic Collection 5.3 V12 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1991 Jaguar XJS AUTOMOBILES
OEM TSB listings for most 1991 Jaguar XJS cars and light trucks sold in the U.S. from 1985+.
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Document: REMOVAL OF SEIZED OXYGEN (O2) SENSORS - REVISED Vehicle: 1991 Jaguar XJS Classic Collection 5.3 V12 GAS Auto Systems: |
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Document: 'BREED' MECHANICALLY-ACTIVATED SRS AIRBAGS - SERVICEABLE LIFE Vehicle: 1991 Jaguar XJS Classic Collection 5.3 V12 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1991 Jaguar XJS AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 Jaguar XJS cars and light trucks sold in the U.S. and Canada from 1970+.
- Brake caliper mounting bolt torque
- Brake drum runout, machining, & discard specs
- Minimum brake lining thickness.
- Brake rotor runout, parallelism, machining, discard, & finish specs
A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 1991 Jaguar XJS cars and light trucks sold in the U.S. and Canada from 1980+.
- Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap
COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.
PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules
QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 1991 Jaguar XJS cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.
- Automatic transmission/transaxles capacities, lubricant recommendations
- Differential/final drive capacities, lube recommendations, grades, & viscosities
- Final drive fill & drain plug torques
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
- Severe service maintenance & interval recommendations
- Tire sizes, wheel nut/bolt torque, pressures & rim sizes
- Transfer case capacities, lube recommendations, grades, & viscosities
TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 1991 Jaguar XJS cars and light trucks sold in the U.S. and Canada from 1980+
- Airflow sensor electrical specifications
- Tensioning specifications for systems with automatic tensioners
- Barometric pressure sensor specs
- Battery group number and cranking performance
- Crankshaft & camshaft position sensor resistance
- Engine compression pressures
- Coolant temperature sensor specs
- Computer advance.
- Diesel fuel temperature sensor resistance.
- Distributor advance specifications
- Ignition pickup coil resistance
- Exhaust gas recirculation temperature sensor resistance
- Engine fastener torque values
- Firing order diagrams
- Fuel system pressures
- Generator (alternator) specs
- Intake air temperature sensor specs
- Ignition coil specifications
- Fuel injector resistance
- Engine idle speeds
- Knock sensor resistance
- Manifold absolute pressure sensor specs
- Mixture control solenoid resistance
- Voltage regulator specs
- Spark plug applications & gaps
- Starter motor electrical specs.
- Tensioning specifications for systems without automatic tensioners
- Throttle body temperature sensor resistance
- Ignition timing in degrees at rpm
- Transmission oil temperature sensor resistance
- Throttle position sensor specs
- Vacuum sensor valve specs
CLICK HERE TO GET FULL ACCESS TO 1991 Jaguar XJS SPECIFICATIONS DATA!
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