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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
- 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
A/C & HEATER SERVICE PROCEDURES FOR 1991 Jaguar XJS AUTOMOBILES
Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Imported Vehicles
Vehicle: 1991 Jaguar XJS 5.3 V12 GAS
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BRAKE SERVICE PROCEDURES FOR 1991 Jaguar XJS AUTOMOBILES
JAGUAR, HYDRAULIC BRAKE SYSTEMS -> MASTER CYLINDER -> OVERHAUL -> REPLACE
Vehicle: 1991 Jaguar XJS Classic Collection 5.3 V12 GAS
REPLACE
- Remove cover from brake fluid reservoir cap and disconnect wires from brake fluid level indicator.
- Remove reservoir cap and filter.
- With a syringe, drain fluid from master cylinder.
- Disconnect and plug brake lines from master cylinder.
- Operate brake pedal approximately ten times to ensure there is no vacuum remaining in servo.
- Remove master cylinder from power booster.
- Reverse procedure to install, noting the following:
- Torque master cylinder to servo bolts to 16-20 ft. lbs.
- Bleed hydraulic brake system.
OVERHAUL
- Remove master cylinder from vehicle.
- Carefully pry out master cylinder...
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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 Classic Collection 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 -> Check Engine Lamp -> 1990-94
Vehicle: 1991 Jaguar XJS 5.3 V12 GAS
The Check Engine lamp will be illuminated when the ignition switch is in the On position and the engine is not running. When the engine is started, the lamp should go out. If it remains lit, a diagnostic trouble ...
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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 Classic Collection 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+.
Fuel Injection Harness & Connectors Diagram for 1991 Jaguar XJS Classic Collection 5.3 V12 GAS Components on diagram: |
Seat Heaters Diagram for 1991 Jaguar XJS Classic Collection 5.3 V12 GAS Components 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 Diagram Components on diagram: |
1991 Jaguar XJS Classic Collection 5.3 V12 GAS Wiring Diagram Components 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+.
Document: REMOVAL OF SEIZED OXYGEN (O2) SENSORS - REVISED Vehicle: 1991 Jaguar XJS Classic Collection 5.3 V12 GAS Auto Systems: |
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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