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1990 Jaguar Vanden Plas 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 1990 Jaguar Vanden Plas AUTOMOBILES
A/C & Cooling System Maintenance -> Jaguar -> XJ6, XJ12, XJR & XJS
Vehicle: 1990 Jaguar Vanden Plas Majestic 4.0 L6 GAS
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BRAKE SERVICE PROCEDURES FOR 1990 Jaguar Vanden Plas AUTOMOBILES
JAGUAR, DISC BRAKES -> REAR CALIPER REPLACEMENT -> XJ6 -> XJS
Vehicle: 1990 Jaguar Vanden Plas Majestic 4.0 L6 GAS
XJS
- Raise and support rear of vehicle.
- Remove nuts and bolts securing tie-plate to rear suspension unit. Remove tie-plate.
- Ensure parking brake lever is in fully OFF position. Lift carpet adjacent to handbrake lever mounting for access to cable adjusting nuts. Fig. .
- Loosen cable lock/adjusting nuts.
- Release springs from parking brake caliper arms (1) Fig. .
- Move right hand arm to center of vehicle, enabling end of inner cable (2), to be detached from operating arm.
- Slide rubber cover from outer cable (3) and release outer cable from other parking brake operating arm.
- Position...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1990 Jaguar Vanden Plas AUTOMOBILES
Jaguar -> Fuel Shutoff Switch Location -> 1988-94 XJ6 & XJ12
Vehicle: 1990 Jaguar Vanden Plas Majestic 4.0 L6 GAS
The inertia switch is ...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1990 Jaguar Vanden Plas AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 1990 Jaguar Vanden Plas 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 driv...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1990 Jaguar Vanden Plas AUTOMOBILES
Starter, Replace
Vehicle: 1990 Jaguar Vanden Plas 4.0 L6 GAS
- Disconnect battery ground cable.
- Remove bolt securing starter lead and transmission breather tube to starter mounting bracket.
- Disconnect starter lead from starter terminal on firewall.
- Remove top bolt attaching starter mounting b...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1990 Jaguar Vanden Plas AUTOMOBILES
Jaguar -> Check Engine Lamp -> 1990-94
Vehicle: 1990 Jaguar Vanden Plas 4.0 L6 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 1990 Jaguar Vanden Plas AUTOMOBILES
Heater Hose, Replace -> Bypass -> Inlet -> Outlet
Vehicle: 1990 Jaguar Vanden Plas 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 1990 Jaguar Vanden Plas AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1990 Jaguar Vanden Plas 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 1990 Jaguar Vanden Plas AUTOMOBILES
Component location diagrams for most 1990 Jaguar Vanden Plas cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
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WIRING DIAGRAMS FOR 1990 Jaguar Vanden Plas AUTOMOBILES
OEM drawn wiring diagrams for most 1990 Jaguar Vanden Plas cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1990 Jaguar Vanden Plas AUTOMOBILES
OEM TSB listings for most 1990 Jaguar Vanden Plas cars and light trucks sold in the U.S. from 1985+.
Document: REMOVAL OF SEIZED OXYGEN (O2) SENSORS - REVISED Vehicle: 1990 Jaguar Vanden Plas 4.0 L6 GAS Auto Systems: |
Document: SPARK PLUG "BLOW-BY STAIN"/CORONA STAIN - SPARK PLUG FUNCTION NOT AFFECTED - REPLACEMENT UNNECESSARY Vehicle: 1990 Jaguar Vanden Plas 4.0 L6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1990 Jaguar Vanden Plas AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1990 Jaguar Vanden Plas 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 1990 Jaguar Vanden Plas 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 1990 Jaguar Vanden Plas 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 1990 Jaguar Vanden Plas 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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