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1991 Jaguar XJS CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Jaguar REPAIR SHOPS DON'T WANT YOU TO KNOW
Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!Select Section
- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- 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
Jaguar -> Component Replacement & Adjustment -> THERMOSTAT, REPLACE -> Left Thermostat -> Right Thermostat -> XJ6 -> XJS
Vehicle: 1991 Jaguar XJS Classic Collection 5.3 V12 GAS
XJS
Left Thermostat
- With engine cold, remove cooling pressure caps from engine and coolant reservoir tank.
- Loosen system bleed tap from lefthand side of radiator top rail.
- Disconnect lower radiator hose and partially drain coolant.
- Disconnect top radiator hose from thermostat housing.
- Remove three thermostat housing bolts. Loosen air cleaner mounting bracket upper nut and remove bracket from thermostat housing.
- Remove thermostat and gasket.
- Reverse procedure to install, noting the following:
- Torque the...
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BRAKE SERVICE PROCEDURES FOR 1991 Jaguar XJS AUTOMOBILES
JAGUAR, HYDRAULIC BRAKE SYSTEMS -> HYDRAULIC SYSTEM BLEED
Vehicle: 1991 Jaguar XJS Classic Collection 5.3 V12 GAS
- Raise and support vehicle.
- Start bleeding procedure at rear right wheel.
- Remove bleeder screw dust cap. Attach a suitable one-way bleed valve and hose to bleed screw.
- Place end of hose in a container, then loosen bleed screw one half turn.
- Pump brake pedal until a clear, air...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 Jaguar XJS AUTOMOBILES
Jaguar -> Component Locations -> 1980-96 XJS
Vehicle: 1991 Jaguar XJS Classic Collection 5.3 V12 GAS
The fuel filter is located...
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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 -> Air Bag Warning Lamp ->
Vehicle: 1991 Jaguar XJS 5.3 V12 GAS
If the Air Bag warning lamp lights and stays on, diagnosis and ...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 Jaguar XJS AUTOMOBILES
Radiator, Replace
Vehicle: 1991 Jaguar XJS Classic Collection 5.3 V12 GAS
Do not remove pressure cap at remote header tank unless engine is cold.
- Open hood and place fender covers.
- Release and remove pressure cap.
- Raise and support front of vehicle.
- Place a suitable container in position below radiator bottom hose.
- Loosen hose securing clip and withdraw hose from radiator.
- Allow coolant to drain into container.
- Lower vehicle.
- Remove ram tube and air cleaner assembly.
- Loosen securing clip and remove top hose from radiator.
- Loosen bleed hose securing clip at left-hand side of radiator and remove hose.
- Undo bleed hose pipe retaining nuts and displace pipe from to...
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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+.
 Headlamps, Dim/Dip Diagram for 1991 Jaguar XJS Classic Collection 5.3 V12 GASComponents on diagram: |
 ABS Harness & Connectors 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
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