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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1991 MERCEDES-BENZ 350SD car and truck
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BRAKE SERVICE PROCEDURES FOR 1991 MERCEDES-BENZ 350SD AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 MERCEDES-BENZ 350SD cars and light trucks from 1990+.
MERCEDES-BENZ, HYDRAULIC BRAKE SYSTEMS -> HYDRAULIC BRAKE SYSTEMS -> MASTER CYLINDER SERVICE -> ASSEMBLE -> DISASSEMBLE
Vehicle: 1991 MERCEDES-BENZ 350SD 3.4 L6 DIESEL
On Vehicles Equipped With Anti-Lock Brakes Refer To "Anti-Lock Brake Systems."
On 400SE, 400SEL and 600SEL, then tandem master cylinder with a built in switch over valve must be replace as an assembly with the brake booster.
On models except 400SE, 400SEL and 600SEL, refer to Figs. through , for master cylinder service.
DISASSEMBLE
- Position cylinder in suitable soft jawed vise.
- Remove expansion tank, then remove cap and strainer.
- Using suitable mandrel, push piston inward.
- Using suitable pliers, remove cylinder pin from housing.
- Remove piston locking ring.
- Remove piston with s...
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BRAKE SERVICE PROCEDURES FOR 1991 MERCEDES-BENZ 350SD AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 MERCEDES-BENZ 350SD cars and light trucks from 1990+.
MERCEDES-BENZ -> PARKING BRAKE ADJUSTMENT -> 190D & E, 260E, 300CE, D, E & TE -> 300SE & SEL, 420SEL, 560SEC, SEL & SL
Vehicle: 1991 MERCEDES-BENZ 350SD 3.4 L6 DIESEL
300SE & SEL, 420SEL, 560SEC, SEL & SL
- Loosen each LH and RH shouldered bolt from rear axle.
- Raise and support vehicle.
- Rotate wheel until threaded hole, from which the shouldered bolt has been removed, faces forward and up at about a 45° angle on models with diagonal swing axle and exactly forward on models with diagonal swing axle and starting torque compensation.
- Insert suitable screwdriver through hole of wheel rim brake disc and rear axle shaft flange. Engage screwdriver with adjustment star and turn adjusting star until star can no longer be turned. Turn back adjusting...
CLICK HERE TO GET FULL ACCESS TO 1991 MERCEDES-BENZ 350SD BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1991 MERCEDES-BENZ 350SD AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 MERCEDES-BENZ 350SD cars and light trucks from 1990+.
MERCEDES-BENZ, ANTI-LOCK BRAKE SYSTEMS -> DIAGNOSIS & TESTING -> ABS SYSTEM -> ASR SYSTEM -> HYDRAULIC SYSTEM
Vehicle: 1991 MERCEDES-BENZ 350SD 3.4 L6 DIESEL
ABS SYSTEM
During all tests when ignition switch is on, the LED must illuminate, indicating battery voltage is satisfactory. The vehicle must not be driven with the (ABS) adapter connected. Refer to Fig. , for connection of test equipment and Fig. , for anti-lock system diagnosis.
ASR SYSTEM
During all tests when ignition switch is on, the LED must illuminate, indicating ...
CLICK HERE TO GET FULL ACCESS TO 1991 MERCEDES-BENZ 350SD BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1991 MERCEDES-BENZ 350SD AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 MERCEDES-BENZ 350SD cars and light trucks from 1990+.
MERCEDES-BENZ, HYDRAULIC BRAKE SYSTEMS -> HYDRAULIC BRAKE SYSTEMS -> BLEEDING BRAKES
Vehicle: 1991 MERCEDES-BENZ 350SD 3.4 L6 DIESEL
On Vehicles Equipped With Anti-Lock Brakes Refer To "Anti-Lock Brake Systems."
Whenever new brake components are installed in the hydraulic system, it is recommended that the entire system be bleed. It may sometime become necessary to flush out the system due to the presence of mineral oil, kerosene, gasoline, etc., which will cause swelling of rubber pistons so that they become inoperative.
Pressure bleeding is recommended for all hydraulic brake systems, follow pressure bleeder manufacturers instructions. To remove air bubbles from master cylinder, with brake pedal bleeder scr...
CLICK HERE TO GET FULL ACCESS TO 1991 MERCEDES-BENZ 350SD BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1991 MERCEDES-BENZ 350SD AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 MERCEDES-BENZ 350SD cars and light trucks from 1990+.
MERCEDES-BENZ, ANTI-LOCK BRAKE SYSTEMS -> SYSTEM SERVICE -> BLEEDING HYDRAULIC SYSTEM
Vehicle: 1991 MERCEDES-BENZ 350SD 3.4 L6 DIESEL
Refer to Figs. through , when servicing system components.
BLEEDING HYDRAULIC SYSTEM
On 400SE, 500SEL and 600SEL models, the master cylinder brake switch over valve must be electrically activated to bleed the additional pressure chamber.
- With ignition in Off position, empty pressure reservoir at bleeder valve SP, then close valve, ...
CLICK HERE TO GET FULL ACCESS TO 1991 MERCEDES-BENZ 350SD BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1991 MERCEDES-BENZ 350SD AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 MERCEDES-BENZ 350SD cars and light trucks from 1990+.
MERCEDES-BENZ -> REAR DISC BRAKE SERVICE -> 190D & E, 260E & 300CE, E & TE -> Assembly -> BRAKE CALIPER, REPLACE -> BRAKE PADS, REPLACE -> CALIPER OVERHAUL -> Disassembly -> EXCEPT 190D & E, 260E & 300CE, E & TE -> Inspection -> TEVES, BENDIX & GIRLING TYPE CALIPERS
Vehicle: 1991 MERCEDES-BENZ 350SD 3.4 L6 DIESEL
BRAKE CALIPER, REPLACE
EXCEPT 190D & E, 260E & 300CE, E & TE
- Open caliper bleeder screw, and pump brake fluid from rear brake circuit.
- On 1st version (early production) vehicles or vehicles with starting torque compensation, disconnect and cap brake line from caliper assembly, Fig. .
- On 2nd version (later production) vehicles, loosen frame floor bracket brake hose from brake line. Disconnect brake line from caliper. Cap all open connections.
- On all models, loosen locking plate, if so equipped.
- Remove caliper attaching bolts.
- Reverse procedure to install, noting the following:
- Wh...
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