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BRAKE SERVICE PROCEDURES FOR 1998 Volvo S90 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1998 Volvo S90 cars and light trucks from 1990+.
Hydraulic Brake Systems -> Brake System Bleed -> Bleeding Unit -> Non-Bleeding Unit
Vehicle: 1998 Volvo S90 2.9 L6 GAS
Bleeding Unit
- Ensure ignition switch is turned Off.
- Raise and support vehicle.
- Clean filer cap on brake fluid reservoir and surrounding area.
- Remove filler cap.
- Set bleeding unit to 29-43 psi.
- Connect bleeding unit to brake fluid reservoir.
- Depress brake pedal several times to expel any air bubbles from master cylinder. Repeat this step between bleeding each brake caliper.
- Start at front lefthand wheel, remove protective cap from bleed nipple and connect hose from drain bottle.
- Open bleed nipple and close it again once no further air bubbles can be seen in fluid.
- Tighten bleed nipple.
- R...
CLICK HERE TO GET FULL ACCESS TO 1998 Volvo S90 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1998 Volvo S90 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1998 Volvo S90 cars and light trucks from 1990+.
Hydraulic Brake Systems -> Component Replacement -> Master Cylinder -> Pressure Differential Warning Valve -> Regulating Valve
Vehicle: 1998 Volvo S90 2.9 L6 GAS
Master Cylinder
- Place a cover over the fender to protect paint from brake fluid.
- Disconnect brake lines and cap openings.
- Remove retaining nuts, then the master cylinder.
- Reverse procedure to install. Bleed master cylinder prior to installation.
Regulating Valve
The regulating valve must be replaced as an assembly.
- Disconnect brake pipe from valve, replace unions if necessary...
CLICK HERE TO GET FULL ACCESS TO 1998 Volvo S90 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1998 Volvo S90 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1998 Volvo S90 cars and light trucks from 1990+.
Disc Brakes -> Parking Brake Service -> Parking Brake Shoes, Replace -> Parking Brake, Adjust
Vehicle: 1998 Volvo S90 2.9 L6 GAS
Parking Brake Shoes, Replace
- Loosen parking brake cable adjusting screw. Refer to " Parking Brake Adjustment."
- Raise and support vehicle, then remove rear wheels.
- Remove caliper.
- Remove brake disc, then remove brake shoe springs, brake shoes and adjuster, if applicable. On some models, it may be necessary to work through holes in axle shaft flange to gain access to springs.
- Before assembly, apply a t...
CLICK HERE TO GET FULL ACCESS TO 1998 Volvo S90 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1998 Volvo S90 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1998 Volvo S90 cars and light trucks from 1990+.
Anti-lock Brakes -> Description
Vehicle: 1998 Volvo S90 2.9 L6 GAS
The Anti-Lock Brake System (ABS) uses a control unit, hydraulic modulator, transient surge protector, front speed sensors and a speedometer sensor to control wheel lock-up. The control unit receives vehicle speed, wheel speed and wheel acceleration information from the sensors, then sends the information to the hydraulic modulator. The hydraulic modulator uses this information to ensure correct hydraulic pr...
CLICK HERE TO GET FULL ACCESS TO 1998 Volvo S90 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1998 Volvo S90 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1998 Volvo S90 cars and light trucks from 1990+.
Disc Brakes -> Rotor, Replace -> Front -> Rear
Vehicle: 1998 Volvo S90 2.9 L6 GAS
Front
- Remove retaining spring from caliper.
- Remove mounting bolts, then the caliper. Hang caliper from a steel wire as not to damage brake hose.
- Remove caliper mounting bracket.
- Remove rotor locating pins, then the rotor.
- Reverse procedure to install. Tighten locating pin and caliper mounting bracket bolts to specifications.
Rear
- Press out split pins with a .12 (3mm) mandrel, the remove retaining spring...
CLICK HERE TO GET FULL ACCESS TO 1998 Volvo S90 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1998 Volvo S90 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1998 Volvo S90 cars and light trucks from 1990+.
Hydraulic Brake Systems -> Component Service -> Assemble -> Cleaning & Inspection -> Disassemble -> Master Cylinder Overhaul
Vehicle: 1998 Volvo S90 2.9 L6 GAS
Master Cylinder Overhaul
Disassemble
- Remove reservoir from master cylinder.
- Drain fluid from reservoir, then remove seals.
- Remove circlip and withdraw pistons and return spring.
Cleaning & Inspection
- Polish inner surface of the master cylinder with a honing tool (cylinder grinding tool).
- Clean all pistons parts and cylinder with methylated spirits.
- Using compressed air, blow air into the equalizer and overflow holes.
- Check master cylinder bore for scoring,...
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