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1993 Jaguar XJS CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Jaguar REPAIR SHOPS DON'T WANT YOU TO KNOW
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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

A/C & HEATER SERVICE PROCEDURES FOR 1993 Jaguar XJS AUTOMOBILES
Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Imported Vehicles
Vehicle: 1993 Jaguar XJS 4.0 L6 GAS
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BRAKE SERVICE PROCEDURES FOR 1993 Jaguar XJS AUTOMOBILES
Power Brake Units -> Power Brake Unit Service -> Replacement -> Testing
Vehicle: 1993 Jaguar XJS 4.0 L6 GAS
Testing
The following tests on the vacuum system should only be performed if the hydraulic system is in satisfactory condition.
- Raise and support front of vehicle. Ensure one wheel will rotate freely.
- Start engine and allow vacuum to accumulate.
- Apply brake pedal several times. Ensure wheel is free to rotate immediately after pedal is released.
- If brakes bind, booster is faulty.
- With engine running, apply brake pedal several times and check operation of pedal.
- If response is sluggish, check condition of vacuum hoses and booster unit air filter.
- Allow vacuum to build up, then sw...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1993 Jaguar XJS AUTOMOBILES
Jaguar -> Fuel Filter Replacement -> XJS -> Fuel System Pressure Relief -> Removal & Installation
Vehicle: 1993 Jaguar XJS 4.0 L6 GAS
Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The highly flammable vapor mixtures may ignite, resulting in serious personal injury.
Prior to disconnecting fuel lines, the fuel system pressure must be relieved to prevent accidental spray of fuel.
After the battery has been disconnected and reconnected, some abnormal driveability symptoms may occur. The vehicle may need to be driven while the vehicle relearns its adaptive strategy.
Fuel System Pressure Relief
- Disconnect the battery ground cable.
- Remove the fuel pump relay.
- On 1993-96 mod...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1993 Jaguar XJS AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 1993 Jaguar XJS 4.0 L6 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 drive flange. Under no circumstances must flexib...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1993 Jaguar XJS AUTOMOBILES
Alternator, Replace
Vehicle: 1993 Jaguar XJS 4.0 L6 GAS
- Disconnect battery ground cable, then raise and support vehicle.
- Remove link arm pivot bolt and swing alternator toward engine.
- Remove link arm and trunnion assembly from water pump, then remove pivot bolt.
- Di...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1993 Jaguar XJS AUTOMOBILES
Jaguar -> Air Bag Warning Lamp ->
Vehicle: 1993 Jaguar XJS 4.0 L6 GAS
If the Air Bag warning lamp lights and stays on, diagnosis and ...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1993 Jaguar XJS AUTOMOBILES
Heater Hose, Replace -> Bypass -> Inlet -> Outlet
Vehicle: 1993 Jaguar XJS 4.0 L6 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 1993 Jaguar XJS AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1993 Jaguar XJS 4.0 L6 GAS
- Install suitable spanner wrench tool, on belt tensioner pulley center bolt.
- Turn tool counterclo...
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COMPONENT LOCATION DIAGRAMS FOR 1993 Jaguar XJS AUTOMOBILES
Component location diagrams for most 1993 Jaguar XJS cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR 1993 Jaguar XJS AUTOMOBILES
OEM drawn wiring diagrams for most 1993 Jaguar XJS cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1993 Jaguar XJS AUTOMOBILES
OEM TSB listings for most 1993 Jaguar XJS cars and light trucks sold in the U.S. from 1985+.
Document: REMOVAL OF SEIZED OXYGEN (O2) SENSORS - REVISED Vehicle: 1993 Jaguar XJS 4.0 L6 GAS Auto Systems: |
Document: 'BREED' MECHANICALLY-ACTIVATED SRS AIRBAGS - SERVICEABLE LIFE Vehicle: 1993 Jaguar XJS 4.0 L6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1993 Jaguar XJS AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1993 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 1993 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 1993 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 1993 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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