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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1993 Jaguar XJS car and truck
repair procedures including Jaguar engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
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procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
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BRAKE SERVICE PROCEDURES FOR 1993 Jaguar XJS AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1993 Jaguar XJS cars and light trucks from 1990+.
Anti-lock Brakes -> System Service -> Accumulator, Replace -> Actuation Unit, Replace -> Bleeding Brakes -> Brake System Bleed -> Component Replacement -> Electronic Control Unit (ECU), Replace -> Fluid Intake Hose -> Front -> Motor & Pump Unit, Replace -> Precautions -> Rear -> Wheel Speed Sensor, Replace
Vehicle: 1993 Jaguar XJS 4.0 L6 GAS
Brake System Bleed
Precautions
Bleeding Brakes
Bleeding the ABS system is not a routine maintenance operation and is only necessary when part of the system has been disconnected or the fluid is contaminated.
During the bleeding procedure, it is important that the level of fluid in the reservoir is maintained at approximately 2 mm below the bottom of the filler neck. Motor/pump unit cannot charge accumulator if air, and not fluid, is standing on low pressure side of pump.
If motor/pump unit, fluid intake hose, or hydraulic unit of ABS system has been removed or disconnected, bleed as d...
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BRAKE SERVICE PROCEDURES FOR 1993 Jaguar XJS AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1993 Jaguar XJS cars and light trucks from 1990+.
Anti-lock Brakes -> Diagnosis & Testing -> Accessing Trouble Codes -> Clearing Trouble Codes -> Defective Warning Lamp Driver -> ECU Failures -> Failures Detected By Internal Time-Out -> Miscellaneous Warning Lamp Displays/Conditions -> Short Circuit At Diagnosis Trigger Input -> Trouble Code Interpretation -> Warning Lamp Path Faults
Vehicle: 1993 Jaguar XJS 4.0 L6 GAS
Accessing Trouble Codes
- Ensure ignition is in Off position.
- Locate 3-way Econoseal diagnostic connector near ABS control unit.
- Short black lead to brown/pink lead.
- Turn ignition to on position and observe warning lamp.
- Following six seconds, blink sequence of first trouble code will begin.
- Count and record flashes resulting in a two digit number, Fig. .
- When no additional trouble codes are stored in memory, warning lamp will remain Off.
Trouble Code Interpretation
Refer to Figs. through , for ABS wiring circuits and Fig. , for diagnostic trouble codes.
Clearing Trouble Codes
- C...
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BRAKE SERVICE PROCEDURES FOR 1993 Jaguar XJS AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1993 Jaguar XJS cars and light trucks from 1990+.
Disc Brakes -> Caliper Service -> Caliper Overhaul -> Front -> Front Caliper, Replace -> Rear -> Rear Caliper, Replace -> XJ6 & XJ12 -> XJS
Vehicle: 1993 Jaguar XJS 4.0 L6 GAS
Front Caliper, Replace
XJS
- Raise and support vehicle.
- Remove brake pads, then disconnect and plug brake line.
- Remove lock wire (2) and remove two bolts and spring washers, (3), Fig. , securing caliper and stub axle carrier.
- Note number of shims between steering arm and brake caliper. Remove caliper.
- Reverse procedure to install, noting the following:
- Ensure correct number of shims are installed between caliper and steering arm.
- Tighten to specifications and bleed brake system.
XJ6 & XJ12
- Raise and support vehicle, then remove wheel.
- Remove brake pads.
- Loosen brake line nut and pull guide pi...
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BRAKE SERVICE PROCEDURES FOR 1993 Jaguar XJS AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1993 Jaguar XJS cars and light trucks from 1990+.
Power Brake Units -> Power Brake Unit Service -> Replacement -> Testing
Vehicle: 1993 Jaguar XJS 4.0 L6 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...
CLICK HERE TO GET FULL ACCESS TO 1993 Jaguar XJS BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1993 Jaguar XJS AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1993 Jaguar XJS cars and light trucks from 1990+.
Disc Brakes -> Brake System Bleed
Vehicle: 1993 Jaguar XJS 4.0 L6 GAS
Maintain brake fluid at correct level in reservoir during brake bleeding procedure.
- Raise and support vehicle.
- Clean reservoir and filler cap to ensure fluid is clean and no dirt enters reservoir.
- Hold brake fluid level warning light cable and remove filler cap/float assembly. Top fluid level to base of filler neck.
- Start the bleeding process at right rear wheel.
- R...
CLICK HERE TO GET FULL ACCESS TO 1993 Jaguar XJS BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1993 Jaguar XJS AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1993 Jaguar XJS cars and light trucks from 1990+.
Power Brake Units -> Description
Vehicle: 1993 Jaguar XJS 4.0 L6 GAS
The hydraulic booster increases pedal force by means of hydraulic pressure. The dynamic circuit of the rear brakes is supplied from the hydraulic accumulator via a control valve in the booster.
The pressure in the booster and rear brake circuit is proportional to the pedal force. The booster is composed of an actuating piston (1), and a booster piston (2), Fig. .
The movable , mechanical connection between the control valve (3) and two pistons is made by means of a scissor-lever mechanism (4), Fig. .
The control valve (3) opens the pressureless booster chamber to the reservoir(9). Sim...
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