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1994 Jaguar XJ12 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 1994 Jaguar XJ12 AUTOMOBILES
Jaguar -> Component Replacement & Adjustment -> Adjustments -> Control Cable & Flap Linkage, Adjust -> XJS
Vehicle: 1994 Jaguar XJ12 6.0 V12 GAS
Control Cable & Flap Linkage, Adjust
XJS
- Disconnect battery ground cable.
- Remove console righthand side panel and lower trim panels.
- Remove glove compartment.
- Remove footwell outlet vent from A/C housing.
- Turn on ignition and position righthand control knob to DEF, then, when servo has reached its full heat position, switch off ignition and disconnect battery ground cable.
- Disconnect linkage rods from servo lever connections.
- Set link bolt adjuster in its mid position.
- Gently pull wire link to detach it from grommet i...
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BRAKE SERVICE PROCEDURES FOR 1994 Jaguar XJ12 AUTOMOBILES
Power Brake Units -> Power Brake Unit Service -> Replacement -> Testing
Vehicle: 1994 Jaguar XJ12 6.0 V12 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 1994 Jaguar XJ12 AUTOMOBILES
Jaguar -> Fuel Filter Scheduled Maintenance -> 1980-94 XJ6 & XJ12 -> Normal Service -> Severe Service
Vehicle: 1994 Jaguar XJ12 6.0 V12 GAS
Normal Service
Replace every 30,...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1994 Jaguar XJ12 AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 1994 Jaguar XJ12 6.0 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 drive flange. Under no circumstances must flexib...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1994 Jaguar XJ12 AUTOMOBILES
Alternator, Replace
Vehicle: 1994 Jaguar XJ12 6.0 V12 GAS
- Disconnect battery ground cable, then raise and support vehicle.
- Remove anti-roll bar brackets to front securing beam securing bolts.
- Remove brackets from anti-roll bar bushings, then reposition anti-roll bar for access.
- Remove power assist steering (PAS) feed hose to engine securing screw, then set aside for access.
- Loosen alternator link arm adjusting nut, then remove link arm trunnion to engine securing bolt.
- Remove alternator link arm/trunnion assembly.
- Loosen alternato...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1994 Jaguar XJ12 AUTOMOBILES
Jaguar -> Anti-Lock Brake System (ABS)/Traction Control System (TCS) Indicator -> 1990-94
Vehicle: 1994 Jaguar XJ12 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 XJ12 AUTOMOBILES
Radiator, Replace
Vehicle: 1994 Jaguar XJ12 6.0 V12 GAS
- Remove hood, then drain cooling system.
- Remove air cleaner cover assembly and spoiler/under tray to inner wheel arch cover.
- Remove nuts securing fan clutch unit to water pump and clips securing fan cowl.
- Remove cowl and ...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1994 Jaguar XJ12 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1994 Jaguar XJ12 6.0 V12 GAS
- Disconnect battery ground cable.
- Remove engine cover.
- Remove air cleaner outlet pipe.
- Remove air cleaner housing cover.
- On supercharged m...
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COMPONENT LOCATION DIAGRAMS FOR 1994 Jaguar XJ12 AUTOMOBILES
Component location diagrams for most 1994 Jaguar XJ12 cars and light trucks sold in the U.S. from 1990+.
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WIRING DIAGRAMS FOR 1994 Jaguar XJ12 AUTOMOBILES
OEM drawn wiring diagrams for most 1994 Jaguar XJ12 cars and light trucks sold in the U.S.
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TECHNICAL SERVICE BULLETINS FOR 1994 Jaguar XJ12 AUTOMOBILES
OEM TSB listings for most 1994 Jaguar XJ12 cars and light trucks sold in the U.S. from 1985+.
Document: REMOVAL OF SEIZED OXYGEN (O2) SENSORS - REVISED Vehicle: 1994 Jaguar XJ12 6.0 V12 GAS Auto Systems: |
Document: 'BREED' MECHANICALLY-ACTIVATED SRS AIRBAGS - SERVICEABLE LIFE Vehicle: 1994 Jaguar XJ12 6.0 V12 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1994 Jaguar XJ12 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1994 Jaguar XJ12 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 XJ12 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 XJ12 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 XJ12 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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