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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1993 Volvo 960 car and truck
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BRAKE SERVICE PROCEDURES FOR 1993 Volvo 960 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1993 Volvo 960 cars and light trucks from 1990+.
Anti-lock Brakes -> Troubleshooting -> 240, 940 & 960 -> 850 -> Component Fault Tracing -> Testing Wiring
Vehicle: 1993 Volvo 960 2.9 L6 GAS
Component Fault Tracing
240, 940 & 960
All procedures must be completed to avoid damaging the control unit.
Refer to wiring diagram and component locations in Figs. through , 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...
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BRAKE SERVICE PROCEDURES FOR 1993 Volvo 960 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1993 Volvo 960 cars and light trucks from 1990+.
Disc Brakes -> Caliper Service -> 240 -> 850 -> 940 & 960 -> Front -> Rear -> Removal & Overhaul
Vehicle: 1993 Volvo 960 2.9 L6 GAS
Front
Removal & Overhaul
240
- Raise vehicle and remove wheels.
- Disconnect brake lines. Before loosening mounting bolts, loosen all bleeder screws.
- Remove caliper mounting bolts and remove caliper. Do not loosen bridge bolts.
- Remove retaining ring and rubber dust cover from each caliper piston, Fig. . Place a thick piece of wood between pistons and apply air pressure to brake line connection of caliper to blow pistons out. Remove seals. The caliper must not be separated or leaks may result after reassembly.
- Coat pistons and cylinders with brake fluid before assembling.
- Install seals in c...
CLICK HERE TO GET FULL ACCESS TO 1993 Volvo 960 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1993 Volvo 960 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1993 Volvo 960 cars and light trucks from 1990+.
Disc Brakes -> Brake Pad Service -> 240 -> 850 -> 940 & 960 -> Front -> Rear
Vehicle: 1993 Volvo 960 2.9 L6 GAS
Front
240
- Raise car and remove wheels.
- Remove hairpin shaped locking clips for guide pins. Tap out one of guide pins while holding damper springs in place. Remove springs and other guide pin.
- Pull out pads using puller tool No. 2917, or equivalent.
- Carefully clean out cavity in which pads are located. Replace any dust covers that are damaged. If dirt has penetrated into cylinder due to a damaged cover, recondition brake caliper. Check brake disc and resurface if necessary.
- Press caliper pistons back into their bores with press tool No 2809, or equivalent. Use caution if a screwdrive...
CLICK HERE TO GET FULL ACCESS TO 1993 Volvo 960 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1993 Volvo 960 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1993 Volvo 960 cars and light trucks from 1990+.
Anti-lock Brakes -> Diagnosis & Testing -> 850 -> Accessing Fault Codes -> Clearing Diagnostic Trouble Codes -> 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 -> Trouble Code Interpretation -> With Volvo Diagnostic Key
Vehicle: 1993 Volvo 960 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 Fault Codes
850
Less Volvo Diagnostic Key
- Connect diagnostic lead to position 3 on diagnostic output A, Figs. and , then turn ig...
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BRAKE SERVICE PROCEDURES FOR 1993 Volvo 960 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1993 Volvo 960 cars and light trucks from 1990+.
Hydraulic Brake Systems -> Component Service -> Assemble -> Cleaning & Inspection -> Disassemble -> Master Cylinder Overhaul
Vehicle: 1993 Volvo 960 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,...
CLICK HERE TO GET FULL ACCESS TO 1993 Volvo 960 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1993 Volvo 960 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1993 Volvo 960 cars and light trucks from 1990+.
Hydraulic Brake Systems -> Description
Vehicle: 1993 Volvo 960 2.9 L6 GAS
The function of hydraulic brake system is to transmit pressure from the master cylinder to caliper pistons. The system will operate properly if fluid is tight and brake fluid cannot be compressed. Normally, brake fluid cannot be compressed. If however the fluid overheats sufficiently it can partially change to a vapor form. Vapor can be compressed and since the master cylinder has a specific volume with which to build up pressure, the compression of vapor can result in excess brake pedal travel before the system has time to develop adequate braking pressure.
Brake fluid is h...
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