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1994 Jaguar XJS CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Jaguar REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Wiring Diagrams
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- 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 1994 Jaguar XJS AUTOMOBILES
Jaguar -> Component Replacement & Adjustment -> Water Valve, Replace
Vehicle: 1994 Jaguar XJS 2+2 6.0 V12 GAS
- Drain radiator coolant.
- Disconnect water hoses and disconnect vacuum hose from top of valve.
- Remove air vent.
- Remove two bolts securin...
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BRAKE SERVICE PROCEDURES FOR 1994 Jaguar XJS AUTOMOBILES
Hydraulic Brake Systems -> Component Service -> Master Cylinder
Vehicle: 1994 Jaguar XJS 2+2 4.0 L6 GAS
Master Cylinder
- Remove master cylinder from vehicle.
- Carefully pry out master cylinder hydraulic line adapters (1), Fig. , from sealing grommets.
- Using a screwdriver, lever out sealing grommets (2) from master cylinder.
- Press in primary piston stop pin to relieve pressure on secondary piston stop pin (3), Fig. .
- Remove stop pin from front grommet sealing housing. Maintain pressure on primary piston, and remove circlip (4).
- Tap flanged (open) end of master cylinder on a wooden block to remove primary/secondary pistons and spring assemblies (5). It may be necessary to insert com...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1994 Jaguar XJS AUTOMOBILES
Jaguar -> Fuel Shutoff Switch Location -> 1991-96 XJS
Vehicle: 1994 Jaguar XJS 6.0 V12 GAS
The inertia switch is loc...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1994 Jaguar XJS AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 1994 Jaguar XJS 2+2 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 1994 Jaguar XJS AUTOMOBILES
Starter, Replace
Vehicle: 1994 Jaguar XJS 2+2 6.0 V12 GAS
- Disconnect battery ground cable, then raise and support vehicle.
- Remove right downpipe catalytic converter.
- Remove sealing olives, then remove steering rack heat shield.
- Reposition starter main terminal post rubber boot. This will allow access to main starter terminal securing nut.
- Remove mai...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1994 Jaguar XJS AUTOMOBILES
Jaguar -> Anti-Lock Brake System (ABS)/Traction Control System (TCS) Indicator -> 1990-94
Vehicle: 1994 Jaguar XJS 2+2 6.0 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 1994 Jaguar XJS AUTOMOBILES
Heater Hose, Replace -> Bypass -> Inlet -> Outlet
Vehicle: 1994 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 1994 Jaguar XJS AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1994 Jaguar XJS 6.0 V12 GAS
- Disconnect battery ground cable.
- Remove water pump belt.
- Remove compressor and PAS pump drive belt.
- Remove stabilizer bar brackets and reposition bar to gain access to alternator.
- Remove and...
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COMPONENT LOCATION DIAGRAMS FOR 1994 Jaguar XJS AUTOMOBILES
Component location diagrams for most 1994 Jaguar XJS cars and light trucks sold in the U.S. from 1990+.
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![]() Components on diagram: |
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WIRING DIAGRAMS FOR 1994 Jaguar XJS AUTOMOBILES
OEM drawn wiring diagrams for most 1994 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 1994 Jaguar XJS AUTOMOBILES
OEM TSB listings for most 1994 Jaguar XJS cars and light trucks sold in the U.S. from 1985+.
Document: REMOVAL OF SEIZED OXYGEN (O2) SENSORS - REVISED Vehicle: 1994 Jaguar XJS 6.0 V12 GAS Auto Systems: |
Document: 'BREED' MECHANICALLY-ACTIVATED SRS AIRBAGS - SERVICEABLE LIFE Vehicle: 1994 Jaguar XJS 6.0 V12 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1994 Jaguar XJS AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1994 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 1994 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 1994 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 1994 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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