1991 Jaguar XJS REPAIR MANUAL -- HOW TO FIX YOUR CAR OR TRUCK

Auto Parts Search


1991 Jaguar XJS CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Jaguar REPAIR SHOPS DON'T WANT YOU TO KNOW

Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!

Help me findSearch

Select Section

Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1991 Jaguar XJS car and truck repair procedures including Jaguar engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up & drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix your Jaguar XJS automobile. Try the Automotix DIY solution today!
DIY REPAIR SAMPLES > CONTINUE EXPLORING >
Using the Automotix DIY repair procedures will save you hundreds and even thousands of dollars! In addition, it will save you hours of touring the city searching for Jaguar mechanics you can trust. The Automotix DIY solution is particularly affordable. A full access to the entire DIY repair procedures and diagrams for your 1991 Jaguar XJS vehicle will cost less than a single gallon of gas. Here are some of the DIY repair tips and procedures you will find here:

A/C & HEATER SERVICE PROCEDURES FOR 1991 Jaguar XJS AUTOMOBILES

Jaguar -> Component Replacement & Adjustment -> WATER VALVE TEMPERATURE SWITCH, REPLACE
Vehicle: 1991 Jaguar XJS 5.3 V12 GAS

  • On models equipped with air bag, disarm air bag system as outlined under .
  • On all models, disconnect battery ground cable.
  • Remove driver side lower dash p...

CLICK HERE TO GET FULL ACCESS TO 1991 Jaguar XJS A/C & HEATER SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 1991 Jaguar XJS AUTOMOBILES

JAGUAR, HYDRAULIC BRAKE SYSTEMS -> OPERATION
Vehicle: 1991 Jaguar XJS Classic Collection 5.3 V12 GAS

When the brake pedal is depressed, the servo unit, which is attached to the master cylinder, transfers increased pedal pressure to the master cylinder primary piston (A), Fig. , causing this piston to move forward past the by-pass port (B), and establish a rear brake line pressure in chamber (C). Pressure from primary piston return spring (D), combined with the rear brake line pressure in chamber (C), forces the secondary piston (E) forward past the by-pass port (F) to establish front brake line pressure in chamber (G).

Brake pressure entering the caliper (H) forces the pistons (J) (fo...

CLICK HERE TO GET FULL ACCESS TO 1991 Jaguar XJS BRAKE SERVICE PROCEDURES

FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 Jaguar XJS AUTOMOBILES

Jaguar -> Fuel Shutoff Switch Location -> 1991-96 XJS
Vehicle: 1991 Jaguar XJS Classic Collection 5.3 V12 GAS

The inertia switch is loc...

CLICK HERE TO GET FULL ACCESS TO 1991 Jaguar XJS FUEL FILTER REPLACEMENT PROCEDURES

DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1991 Jaguar XJS AUTOMOBILES

DRIVESHAFT, Replace
Vehicle: 1991 Jaguar XJS 5.3 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 driv...

CLICK HERE TO GET FULL ACCESS TO 1991 Jaguar XJS DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 Jaguar XJS AUTOMOBILES

Alternator, Replace
Vehicle: 1991 Jaguar XJS Classic Collection 5.3 V12 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...

CLICK HERE TO GET FULL ACCESS TO 1991 Jaguar XJS STARTER & ALTERNATOR REPLACEMENT PROCEDURES

MAINTENANCE LAMP RESET PROCEDURES FOR 1991 Jaguar XJS AUTOMOBILES

Jaguar -> Check Engine Lamp -> 1990-94
Vehicle: 1991 Jaguar XJS Classic Collection 5.3 V12 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 ...

CLICK HERE TO GET FULL ACCESS TO 1991 Jaguar XJS MAINTENANCE LAMP RESET PROCEDURES

RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 Jaguar XJS AUTOMOBILES

Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1991 Jaguar XJS 5.3 V12 GAS

Lower

  • Drain coolant into a suitable container.
  • Release and reposition hose clip, and disconnect hose from radiator.
  • Release and reposition hose clip, and disconnect bottom hose from water pump.
  • Remove hose assembly from vehicle.
  • Rever...

CLICK HERE TO GET FULL ACCESS TO 1991 Jaguar XJS RADIATOR & HOSE REPLACEMENT PROCEDURES

SERPENTINE BELT SERVICE PROCEDURES FOR 1991 Jaguar XJS AUTOMOBILES

Serpentine Drive Belt, Replace
Vehicle: 1991 Jaguar XJS 5.3 V12 GAS

  • Disconnect battery ground cable.
  • Loosen jockey pulley carrier securing block.
  • Loosen trunnion lock...

CLICK HERE TO GET FULL ACCESS TO 1991 Jaguar XJS SERPENTINE BELT SERVICE PROCEDURES

COMPONENT LOCATION DIAGRAMS FOR 1991 Jaguar XJS AUTOMOBILES

Component location diagrams for most 1991 Jaguar XJS cars and light trucks sold in the U.S. from 1990+.

Seat Heaters Diagram for 1991 Jaguar XJS 5.3 V12 GASSeat Heaters Diagram for 1991 Jaguar XJS 5.3 V12 GAS

Components on diagram:
  • Seat Heater Poteniometer
  • Seat Heater Relay
  • Seat Heater Control Module

    • CLICK HERE TO GET FULL ACCESS TO 1991 Jaguar XJS PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 1991 Jaguar XJS AUTOMOBILES

    OEM drawn wiring diagrams for most 1991 Jaguar XJS cars and light trucks sold in the U.S.

    1991 Jaguar XJS Classic Collection 5.3 V12 GAS Wiring Diagram1991 Jaguar XJS Classic Collection 5.3 V12 GAS Wiring Diagram

    Components on diagram:
  • Headlamp Control Module
  • Headlamp Relay
  • Fog Lamp Switch
  • Daytime Running Lamp Relay
  • Daytime Running Lamp
    • 1991 Jaguar XJS Classic Collection 5.3 V12 GAS Wiring Diagram1991 Jaguar XJS Classic Collection 5.3 V12 GAS Wiring Diagram

    Components on diagram:
  • Radiator Fan Switch
  • A/C Relay
  • Radiator Cooling Fan
  • A/C Cutout Switch

    • CLICK HERE TO GET FULL ACCESS TO 1991 Jaguar XJS WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 1991 Jaguar XJS AUTOMOBILES

    OEM TSB listings for most 1991 Jaguar XJS cars and light trucks sold in the U.S. from 1985+.

    Document: REMOVAL OF SEIZED OXYGEN (O2) SENSORS - REVISED
    Vehicle: 1991 Jaguar XJS Classic Collection 5.3 V12 GAS

    Auto Systems:
  • Emission Controls, Vacuum Hoses
  • Electronic Devices, Computers, PROMS, Sensors
    • Document: 'BREED' MECHANICALLY-ACTIVATED SRS AIRBAGS - SERVICEABLE LIFE
    Vehicle: 1991 Jaguar XJS Classic Collection 5.3 V12 GAS

    Auto Systems:
  • Seats, Belts, Interior Trim, Carpets, Air Bags

    • CLICK HERE TO GET FULL ACCESS TO 1991 Jaguar XJS TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 1991 Jaguar XJS AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 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 1991 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 1991 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 1991 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

    CLICK HERE TO GET FULL ACCESS TO 1991 Jaguar XJS SPECIFICATIONS DATA!

    Shop online for auto body parts, engines, wheels, lights...

    More parts
    Help me findSearch
    Auto Repair Quick Search
    Help me find
    Search
    Search DIY repair manuals by VIN...
    Vehicle Identification Number is a unique serial number used by the automotive industry to identify individual motor vehicles

    Find out what info we have for your vehicle

    Get the Complete Technical Service Bulletins!
    Get the Complete Technical Service Bulletins!Access diagrams and repair information such as wiring diagrams, diagnosis and repair charts, manufacturer service bulletins, and OEM Part numbers of your 1991 Jaguar XJS vehicle.
    Access the Complete guide!
    Need To Fix Your Car or Truck?
    Try Our Repair Service Finder
    Post Your Auto Repair Needs
    Save Money With Free Car Insurance Quote
    FREE car insurance quote
    Enter Zip Code:
    Auto Repair Quick Search
    Help me find
    Search