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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1991 Audi 100 Quattro car and truck
repair procedures including Audi engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
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BRAKE SERVICE PROCEDURES FOR 1991 Audi 100 Quattro AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 Audi 100 Quattro cars and light trucks from 1990+.
AUDI, DISC BRAKES -> Teves Single Piston w/Dual Mounting Bolts, Rear -> REAR BRAKE BASIC SETTING, CHECKING
Vehicle: 1991 Audi 100 Quattro 2.3 L5 GAS
Parking brake cable must be free of tension during basic setting check.
- Using a suitable screwdriver, push caliper lever against stop on both sides of vehicle. Parking brake cable is too tight if lever of opposite side caliper is ...
CLICK HERE TO GET FULL ACCESS TO 1991 Audi 100 Quattro BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1991 Audi 100 Quattro AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 Audi 100 Quattro cars and light trucks from 1990+.
AUDI, DISC BRAKES -> Girling Single Piston w/Dual Mounting Bolts, Front -> BRAKE PADS REPLACEMENT
Vehicle: 1991 Audi 100 Quattro 2.3 L5 GAS
- Raise and support vehicle, then remove front wheels.
- On 100/200 models, pull plug connector for wear indicator out of clip, then press connector on knurled surface and pull apart.
- On all models, using open end wrench to hold guide pin head, remove lower caliper mounting bolt.
- Swing caliper upward, then remove brake pads.
- Push piston back into caliper housing. Always remove some brake fluid from master cylinder reservoir prior to installing new pads. When caliper piston is pushed back, fluid is forced out ...
CLICK HERE TO GET FULL ACCESS TO 1991 Audi 100 Quattro BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1991 Audi 100 Quattro AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 Audi 100 Quattro cars and light trucks from 1990+.
AUDI, HYDRAULIC BRAKE SYSTEM -> CHECKING BRAKE SERVO OPERATING PRESSURE -> 1990-91 100/200
Vehicle: 1991 Audi 100 Quattro 2.3 L5 GAS
1990-91 100/200
Refer to Fig. , when checking operating pressure.
- With engine off, depress brake pedal approximately 20 times to reduce system pressure.
- Disconnect warning light switch electrical connector, then remove switch.
- Attach pressure gauge with hollow bolt and copper washers to brake servo unit. Attach thick copper washer between brake servo unit and banjo fitting and thin copper washer between hollow bolt and banjo fitting.
- Start engine and let idle until pressure gauge reading exceeds 2030 psi.
- If specified pressure is not reached, check delivery rat...
CLICK HERE TO GET FULL ACCESS TO 1991 Audi 100 Quattro BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1991 Audi 100 Quattro AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 Audi 100 Quattro cars and light trucks from 1990+.
AUDI, HYDRAULIC BRAKE SYSTEM -> BRAKE PRESSURE REGULATOR -> 100/200 Quattro Models -> 1990-91 100 -> 1990-91 100/200 -> 1992 100 -> ADJUSTING -> CHECKING -> V8 Quattro
Vehicle: 1991 Audi 100 Quattro 2.3 L5 GAS
CHECKING
1990-91 100/200
Brake pressure regulator is mounted on body (left rear), and operated by a spring attached to the rear axle.
- Firmly depress brake pedal once, with car on the ground.
- Release pedal suddenly and ensure lever on pressure regulator moves.
- Raise and support vehicle to remove load from rear axle.
- Press brake pressure regulator lever toward rear.
- Loosen nut from front of spring, then attach spring, without play or tension, to plastic roller.
- Torque nut to 18 ft. lbs.
1992 100
Brake pressure regulator is mounted on body (left rear), and operated by a spring attac...
CLICK HERE TO GET FULL ACCESS TO 1991 Audi 100 Quattro BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1991 Audi 100 Quattro AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 Audi 100 Quattro cars and light trucks from 1990+.
AUDI, HYDRAULIC BRAKE SYSTEM -> PROPORTIONING VALVE, CHECKING -> 80/90
Vehicle: 1991 Audi 100 Quattro 2.3 L5 GAS
80/90
The proportioning valve is located under the brake booster.
- Lift vehicle, then attach VW 1310 or equivalent, to left front and left rear brake calipers, then bleed gauges.
- Depress brake pedal until gauge on front caliper reads 725 psi. G...
CLICK HERE TO GET FULL ACCESS TO 1991 Audi 100 Quattro BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1991 Audi 100 Quattro AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 Audi 100 Quattro cars and light trucks from 1990+.
AUDI, ANTI-LOCK BRAKES -> DIAGNOSIS & TESTING -> HIGH & LOW PRESSURE CHECKING
Vehicle: 1991 Audi 100 Quattro 2.3 L5 GAS
HIGH & LOW PRESSURE CHECKING
- Remove bleeder screw from one front brake caliper.
- Connect gauge set VW 1310 or equivalent, then bleed gauges.
- Install brake pedal depressor, between brake pedal and driver's seat.
- Load brake pedal until gauge reads 725 psi.
- Watch gauge for 45 seconds....
CLICK HERE TO GET FULL ACCESS TO 1991 Audi 100 Quattro BRAKE SERVICE PROCEDURES
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