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BRAKE SERVICE PROCEDURES FOR 1991 BMW 735IL AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 BMW 735IL cars and light trucks from 1990+.
Disc Brakes -> CALIPER OVERHAUL
Vehicle: 1991 BMW 735IL 3.5 L6 GAS
- Remove piston boot and snap ring.
- Position block of wood in caliper recess, then apply compressed air to fluid inlet to force piston from bore.
- Remove bleeder screw.
- Remove piston seal using a suitable tool, taking care not to damage caliper bore.
- Remove dowel sleeves (5) from guide bolt bores, Fig. .
- Clean caliper and piston with alcohol, blow dry with compressed air and coat sealing surfaces with brake fluid.
- Inspect piston and replace if corroded, or if sealing surfa...
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BRAKE SERVICE PROCEDURES FOR 1991 BMW 735IL AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 BMW 735IL cars and light trucks from 1990+.
Power Brake Units -> POWER BRAKE UNIT SERVICE -> 318, 325, 525 & 535 -> 735, 750 & 850 -> POWER BRAKE BOOSTER, REPLACE
Vehicle: 1991 BMW 735IL 3.5 L6 GAS
POWER BRAKE BOOSTER, REPLACE
318, 325, 525 & 535
- Remove master cylinder from booster.
- Remove lower left trim panel.
- Disconnect bayonet pin and clip from booster pushrod, below instrument panel. Fig.
- Detach booster from pedal base. Remove booster from engine compartment.
- Reverse procedure to install.
735, 750 & 850
- With engine off, discharge hydraulic reservoir by operating brake pedal approximately 20 times with same force required for fu...
CLICK HERE TO GET FULL ACCESS TO 1991 BMW 735IL BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1991 BMW 735IL AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 BMW 735IL cars and light trucks from 1990+.
Disc Brakes -> FRONT DISC BRAKE PADS REPLACEMENT -> 318 & 325 -> EXCEPT 318 & 325
Vehicle: 1991 BMW 735IL 3.5 L6 GAS
318 & 325
- Raise and support vehicle, then remove front wheels.
- Remove brake pad wear indicator connector from left side of caliper.
- Remove anti-rattle clip, then the caliper sliding bolt plastic caps.
- Lift brake hose out of holder, then remove caliper sliding bolts.
- Remove caliper toward rear. Remove brake pads, then suspend caliper from frame with wire.
- Reverse procedure to install, noting the following:
- Compress caliper piston into bore.
- Check fluid ...
CLICK HERE TO GET FULL ACCESS TO 1991 BMW 735IL BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1991 BMW 735IL AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 BMW 735IL cars and light trucks from 1990+.
Anti-Lock Brakes -> COMPONENT REPLACEMENT -> CONTROL UNIT, REPLACE -> FRONT SPEED SENSOR, REPLACE -> HYDRAULIC UNIT, REPLACE -> REAR SPEED SENSOR, REPLACE
Vehicle: 1991 BMW 735IL 3.5 L6 GAS
HYDRAULIC UNIT, REPLACE
- Disconnect battery ground cable.
- Remove coolant expansion tank.
- Remove brake lines from hydraulic unit as follows: front left; front right; rear left; rear right.
- Remove brake hydraulic lines from master cylinder to hydraulic unit.
- Remove cover from top of hydraulic cover, then loosen, but do not remove, bolts for hydraulic unit.
- Remove retaining screws and pull of f multiple pin connector and disconnect ground wire.
- Pull up on the front of the hydraulic unit, then disconnect the rear and remove the unit.
- Reverse procedure to install, ensuring hydraulic lin...
CLICK HERE TO GET FULL ACCESS TO 1991 BMW 735IL BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1991 BMW 735IL AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 BMW 735IL cars and light trucks from 1990+.
Hydraulic Brakes -> COMPONENT REPLACEMENT -> 735, 750 & 850 -> MASTER CYLINDER, REPLACE -> POWER FLOW REGULATOR, REPLACE
Vehicle: 1991 BMW 735IL 3.5 L6 GAS
MASTER CYLINDER, REPLACE
- Remove brake fluid from master cylinder with a syringe.
- Remove plug and clutch hose if equipped.
- Remove fluid reservoir.
- Remove brake lines, then mounting bolts.
- Remove master cylinder.
- Reverse procedure to install and bleed brake system.
POWER FLOW REGULATOR, REPLACE
735, 750 & 850
- With engine off, discharge hydraulic reservoir by operating brake...
CLICK HERE TO GET FULL ACCESS TO 1991 BMW 735IL BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1991 BMW 735IL AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 BMW 735IL cars and light trucks from 1990+.
Anti-Lock Brakes -> DESCRIPTION
Vehicle: 1991 BMW 735IL 3.5 L6 GAS
The Anti-Lock Brake System (ABS) consists of a control unit, hydraulic unit, speed sensors and wiring harness. Each speed sensor has a gear wheel which runs past the permanently magnetized edge of the speed sensor installed in the wheel hub. The rotary motion of the wheels is recorded by inductive sensors and an electric signal is sent to the electronic control unit.
The electronic control unit is located in a compartment on the right side of the engine compartment. This control unit inputs acceleration, deceleration and slip factors from the electronic speed sensors, which are propo...
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