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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1998 Volvo S90 car and truck repair procedures including Volvo 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 1998 Volvo S90 automobile. Try the Automotix DIY solution today!
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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+.

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...

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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+.

Power Brake Units -> Power Brake Unit Service -> Check Valve, Replace -> Power Brake Booster, Replace
Vehicle: 1998 Volvo S90 2.9 L6 GAS

Power Brake Booster, Replace
  • Remove master cylinder, then disconnect vacuum hose from power brake unit.
  • Disconnect link arm from brake pedal, then remove bracket with clutch pedal stop.
  • Remove nuts attaching power brake unit to dash panel.
  • Pull power brake unit forward, then disconnect fork from link arm and remove brake unit.
Check Valv...

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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+.

Anti-lock Brakes -> Troubleshooting -> Component Fault Tracing
Vehicle: 1998 Volvo S90 2.9 L6 GAS

Component Fault Tracing

All procedures must be completed to avoid damaging the control unit.

Refer to wiring diagram and component locations in Figs. and , during fault tracing procedures.

  • Check fuse in transient surge protector
  • Check all connectors, wires and ground connections for ABS System.
  • Switch ignition off.
  • Disconnect connector from control unit by depressing lock spring and swinging connector out.
  • Remove cover from hydraulic modulator.
  • Remove cover from control unit connector.
  • Remove white protective moldings from sides of connector.
  • Check ground connections in connector.
    • Always ...

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 -> System Service -> Brake System Bleed -> Component Replacement -> Control Module -> Hydraulic Modulator -> Less Multi-Link Rear Suspension -> Multi-Link Suspension -> Rear Sensor
Vehicle: 1998 Volvo S90 2.9 L6 GAS

Brake System Bleed

Refer to "Brake System Bleed" section under "Hydraulic Brake Systems."

Component Replacement

Control Module
  • Ensure ignition is off.
  • Remove sound proofing under instrument panel.
  • Loosen band holding control module and lift module out.
  • Remove control module connector.
  • Reverse procedure to install.
Hydraulic Modulator
  • Remove cover over hydraulic modulator.
  • Remove both relays and connector.
  • Disconnect ground lead from modulator
  • Remove hydraulic lines to modulator noting position for installation.
  • Remove screw from support and push support to right. Remove hydraulic modulator
  • Reverse ...

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 -> Diagnosis & Testing -> Accessing Diagnostic Trouble Codes -> Clearing Diagnostic Trouble Codes -> Diagnostic Tests -> Diagnostic Trouble Code Interpretation -> Diagnostic Trouble Code Table -> F. Intermittent Faults -> G. Diagnostic Trouble Code (DTC) Table -> H. Test Drive -> Intermittent Faults -> J. Diagnostic Trouble Code (DTC)/Diagnosis Table -> K. Symptoms/Diagnosis Table -> L. Mechanical Components, Fault Tracing -> Less Volvo Diagnostic Key -> MA. Diagnostic Trouble Codes (DTC), Wheel Sensors -> MB-Diagnostic Trouble Code (DTC) 1-4-1 -> MC-Diagnostic Trouble Code (DTC) 1-4-2 -> MD-Diagnostic Trouble Code (DTC) 1-4-4 -> ME-Diagnostic Trouble Codes (DTC), Valves -> MF-Diagnostic Trouble Code (DTC) 4-2-4 -> MG-Diagnostic Trouble Code (DTC) 4-4-1 -> MH-Diagnostic Trouble Code (DTC) 4-4-3 -> MJ-Diagnostic Trouble Code (DTC) 4-4-4 -> NA-ABS-Warning Indicator Does Not Light -> NB-ABS-Warning Indicator Lit, No Diagnostic Trouble Codes (DTC) Displayed -> NC-TRACS Warning Indicator Does Not Light -> ND-TRACS Warning Indicator Lit, No Diagnostic Trouble Codes (DTC) Displayed -> NE-Brake Warning Indicator Does Not Light -> NF-Brake Warning Indicator Does Not Go Out -> NG-Diagnostic Trouble Codes (DTC) Cannot Be Read -> NH-Poor Braking -> NJ-Both Front Wheels Are Wholly Or Partially Locked -> NK-No TRACS Function -> P-Signal Description, Control Module -> Reading Diagnostic Trouble Codes -> Wiring Diagrams -> With Volvo Diagnostic Key
Vehicle: 1998 Volvo S90 2.9 L6 GAS

The control unit contains a monitoring circuit to detect any internal faults in the control unit and any electrical faults in the sensors, hydraulic modulator or signaling system.

If a fault occurs, the control unit disengages the ABS and illuminates a warning light. When the warning light comes on, a complete fault tracing procedure should be followed. The fault tracing procedure assumes that the standard braking system is fully operational.

Accessing Diagnostic Trouble Codes

Less Volvo Diagnostic Key
  • Connect diagnostic lead to position 3 on diagnostic output A, then turn ignit...

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...

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Source: Auto Body Parts Store

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Source: Auto Body Parts Store

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Source: Wheels / Rims, Mirrors & Lights Store

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Click here to view more details1998 Volvo S90 L6, 2.9 L, 2917 CC Rebuilt Engine, Warranty: 3-Year/100,000 Mile, .

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