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2003 Jaguar XJR CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Jaguar REPAIR SHOPS DON'T WANT YOU TO KNOW
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- 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 2003 Jaguar XJR AUTOMOBILES
Air Bag System Precautions -> Jaguar -> Arming -> 1993-94 -> 1995-97 -> 1998-2004 -> Driver's Side Air Bag Module -> Passenger's Side Air Bag Module -> S Type, X Type, XJ8, XKR & XK8 -> XJ12 -> XJ6 -> XJR -> XJS
Vehicle: 2003 Jaguar XJR 4.0 V8 GAS
S Type, X Type, XJ8, XKR & XK8
- Connect battery ground cable.
- Turn ignition switch to On position and ensure air bag MIL lamp turns off after approximately six seconds.
- Set clock, radio, seats, mirrors, steering column and other memory components.
XJR
1995-97
- Disconnect battery ground cable.
- Remove air bag simulators.
- Install both air bag modules.
- Connect battery ground cable.
- Turn ignition switch to On position and ensure air bag MIL lamp turns off after approximately six seconds.
- Reset clock, radio, se...
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BRAKE SERVICE PROCEDURES FOR 2003 Jaguar XJR AUTOMOBILES
Disc Brakes -> Brake System Bleed
Vehicle: 2003 Jaguar XJR 4.0 V8 GAS
Refer t...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Jaguar XJR AUTOMOBILES
Jaguar -> Component Locations -> 1998-03 XJ8 & XJR
Vehicle: 2003 Jaguar XJR 4.0 V8 GAS
The fuel filter is loca...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Jaguar XJR AUTOMOBILES
CV AXLE SHAFT, Replace -> Install -> Remove
Vehicle: 2003 Jaguar XJR 4.0 V8 GAS
Remove
- Loosen axle shaft nut at hub.
- Raise and support vehicle.
- Remove wheel and tire assembly.
- Remove brake disc.
- Detach Anti-Lock Brake System (ABS) sensor.
- Detach outer tie rod.
- Detach lower control arm from wheel knuckle.
- Remove axle shaft hub nut.
- Detach halfshaft from knuckle assembly, using hub puller tool No. 205-491, hub puller adapter tool No. 205-491-01 and flange remover forcing screw tool No. 204-269 or equivalents.
- Remove wheel knuckle assembly.
- Remove halfshaft, using halfshaft splitter handle tool No. 307-442 and halfshaft splitter tool No. 307-443. To avoid damage t...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Jaguar XJR AUTOMOBILES
Starter, Replace
Vehicle: 2003 Jaguar XJR 4.0 V8 GAS
- Open driver's door to allow side windows to drop. Ensure doors remain open until battery is disconnected.
- Open engine compartment and fit paintwork protection sheets.
- Disconnect battery ground cable at battery.
- Raise and support vehicle.
- Remov...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Jaguar XJR AUTOMOBILES
Jaguar -> Check Engine Lamp -> 1995-2009
Vehicle: 2003 Jaguar XJR 4.0 V8 GAS
The Check Engine warning lamp is used to warn of a system fault. It will be lit during engine start-up, but should go out when the self-diagnostic system determines that the system is functioning properly. I...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Jaguar XJR AUTOMOBILES
Radiator, Replace
Vehicle: 2003 Jaguar XJR 4.0 V8 GAS
- Drain cooling system into suitable container.
- Recover A/C refrigerant.
- Disconnect both gas struts.
- Set engine cover fully forward to service access position and support with suitable block. Do not damage engine cover or radiator grille.
- Remove twin fan and motor assembly.
- Disconnect radiator to expansion tank hose from radiator.
- Raise and support vehicle.
- Disconnect transmission oil cooler lower line....
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Jaguar XJR AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 Jaguar XJR 4.0 V8 GAS
- Install suitable spanner wrench tool, on belt tensioner pulley center bolt.
- Turn tool counterclo...
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COMPONENT LOCATION DIAGRAMS FOR 2003 Jaguar XJR AUTOMOBILES
Component location diagrams for most 2003 Jaguar XJR cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR 2003 Jaguar XJR AUTOMOBILES
OEM drawn wiring diagrams for most 2003 Jaguar XJR cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 Jaguar XJR AUTOMOBILES
OEM TSB listings for most 2003 Jaguar XJR cars and light trucks sold in the U.S. from 1985+.
Document: UNABLE TO LOCK VEHICLE WITH REMOTE KEY FOB - REPAIR PROCEDURE Vehicle: 2003 Jaguar XJR 4.0 V8 GAS Symptoms: |
Document: SERVICE ACTION: FUEL FILLER CAP DIFFICULT TO INSTALL / CHECK ENGINE MIL ON - REVISED FUEL FILLER CAP - REVISED Vehicle: 2003 Jaguar XJR 4.0 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 Jaguar XJR AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Jaguar XJR 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 2003 Jaguar XJR 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 2003 Jaguar XJR 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 2003 Jaguar XJR 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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