1990 Dodge D250 Pickup Brake Service (ONLINE REPAIR MANUALS)

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We have info for following modifications of 1990 Dodge D250 Pickup

  • 1990 Dodge D250 Pickup 3.9 V6 GAS, CID:239, Fuel Injection, Aspiration:239, Engine VIN:, Desg:X
  • 1990 Dodge D250 Pickup 5.2 V8 GAS, CID:318, Fuel Injection, Aspiration:318, Engine VIN:, Desg:Y
  • 1990 Dodge D250 Pickup 5.9 V8 GAS, CID:360, Fuel Injection, Aspiration:360, Engine VIN:, Desg:5
  • 1990 Dodge D250 Pickup 5.9 L6 DIESEL, CID:359, Fuel Injection, Aspiration:359, Engine VIN:, Desg:8
  • 1990 Dodge D250 Pickup 5.9 V8 GAS, CID:360, Fuel Injection, Aspiration:360, Engine VIN:, Desg:Z

BRAKE SERVICE PROCEDURES FOR 1990 Dodge D250 Pickup AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Dodge D250 Pickup cars and light trucks from 1990+.

DRUM BRAKES, CHRYSLER CORP. -> Drum Brakes, Chrylser -> REAR WHEEL DRIVE EXCEPT RAM RAIDER & RAM 50 -> 12 INCH DRUMS -> 9, 10 & 11 INCH DRUMS -> Inspection -> Installation -> RAM 50 & RAM RAIDER -> Removal
Vehicle: 1990 Dodge D250 Pickup 5.9 V8 GAS

9, 10 & 11 INCH DRUMS

Removal
  • Raise and support rear of vehicle, then remove tire and wheel assembly.
  • Remove brake drum. If brake lining is dragging on brake drum, back off brake adjustment by rotating adjustment screw. If brake drum is rusted or corroded to axle flange and cannot be removed, lightly tap axle flange to drum mounting surface with a suitable hammer.
  • Using brake spring pliers or equivalent, remove primary and secondary shoe return springs, Fig. .
  • Remove automatic adjuster cable from anchor plate, then unhook from adjuster lever.
  • Remove adjuste...

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BRAKE SERVICE PROCEDURES FOR 1990 Dodge D250 Pickup AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Dodge D250 Pickup cars and light trucks from 1990+.

DISC BRAKES, CHRYSLER CORP. -> General Information -> SERVICE PRECAUTIONS -> BLEEDING DISC BRAKES -> BRAKE DISC SERVICE -> BRAKE LINES & LININGS -> BRAKE ROUGHNESS -> GENERAL PRECAUTIONS -> INSPECTION OF CALIPER
Vehicle: 1990 Dodge D250 Pickup 5.2 V8 GAS

BRAKE LINES & LININGS

Remove one of the front wheels and inspect the brake disc, caliper and linings. The wheel bearings should be inspected at this time and repacked if necessary.

Do not get any oil or grease on the linings. It is recommended that both front wheel sets be replaced whenever a respective pad is worn or damaged. Inspect and, if necessary, replace rear brake linings also.

If the caliper is cracked or fluid leakage through the casting is evident, it must be replaced as a unit.

BRAKE ROUGHNESS

The most common cause of brake chatter on disc brakes is a variation in thi...

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BRAKE SERVICE PROCEDURES FOR 1990 Dodge D250 Pickup AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Dodge D250 Pickup cars and light trucks from 1990+.

HYDRAULIC BRAKE SYSTEMS, CHRYSLER CORP. -> HYDRAULIC CONTROL VALVES -> 1990-91 -> ADJUSTMENT -> BRAKE WARNING SWITCH -> CHRYSLER -> COMBINATION VALVE -> Dakota -> HEIGHT SENSING PROPORTIONING VALVE, ADJUST -> HOLD-OFF VALVE -> JEEP -> Mini Vans -> PROPORTIONING VALVE -> TESTING
Vehicle: 1990 Dodge D250 Pickup 5.2 V8 GAS

CHRYSLER

BRAKE WARNING SWITCH

The switch activates a light on the dash panel to indicate that one of the hydraulic systems has failed. There are two basic types of switches. In some earlier models, as pressure falls in one system, the normal pressure of the other system forces the piston to the inoperative side where it contacts the switch terminal, causing the warning lights to illuminate.

On most models, the brake warning switch is of the latching type. If a pressure loss occurs in one side of the system, the piston in the valve is forced toward the failed side where it ...

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BRAKE SERVICE PROCEDURES FOR 1990 Dodge D250 Pickup AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Dodge D250 Pickup cars and light trucks from 1990+.

DRUM BRAKES, CHRYSLER CORP. -> General Information -> GENERAL INSPECTION -> ADJUSTER MECHANISM -> BACKING PLATE -> BRAKE DRUMS -> BRAKE LININGS & SPRINGS -> PARKING BRAKE CABLE
Vehicle: 1990 Dodge D250 Pickup 5.9 V8 GAS

BRAKE DRUMS

Any time the brake drums are removed for brake service, the braking surface diameter should be checked with a suitable brake drum micrometer at several points to determine if they are within the safe oversize limit stamped on the brake drum outer surface. If the braking surface diameter exceeds specifications, the drum must be replaced. If the braking surface diameter is within specifications, drums should be cleaned and inspected for cracks, scores, deep grooves, taper, out of round and heat spotting. If drums are cracked or heat spotted, they must be replaced. Mi...

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BRAKE SERVICE PROCEDURES FOR 1990 Dodge D250 Pickup AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Dodge D250 Pickup cars and light trucks from 1990+.

ANTI-LOCK BRAKE SYSTEM, CHRYSLER CORP. -> 1990-91 Chrysler Rear Wheel Drive Models -> SYSTEM SERVICE -> ANTI-LOCK MODULE, REPLACE -> Dakota -> Full Size Pickups & Ramcharger -> Full Size Vans & Wagons -> HYDRAULIC VALVE, REPLACE -> SPEED SENSOR AIR GAP CHECK -> SPEED SENSOR, REPLACE
Vehicle: 1990 Dodge D250 Pickup 5.2 V8 GAS

HYDRAULIC VALVE, REPLACE

  • Disconnect battery ground cable.
  • Raise and support vehicle.
  • Disconnect electrical connectors from valve, Figs. and .
  • Disconnect brake lines from hydraulic valve.
  • Remove hydraulic valve attaching screws and the valve.
  • Reverse procedure to install, noting the following:
    • Torque valve attaching screws to 16-25 ft. lbs.
    • Bleed brake system as described under "Bleeding Brakes" in "Hydraulic Brake" section.

SPEED SENSOR AIR GAP CHECK

  • Remove speed sensor from differential.
  • Measure distance (dimension B) between end of sensor pole piece and bottom of sensor flange, Fig. . Dista...

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BRAKE SERVICE PROCEDURES FOR 1990 Dodge D250 Pickup AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Dodge D250 Pickup cars and light trucks from 1990+.

DISC BRAKES, CHRYSLER CORP. -> General Information -> TROUBLESHOOTING -> BRAKE RATTLE -> BRAKE ROUGHNESS OR CHATTER; PEDAL PUMPING -> CALIPER BRAKE FLUID LEAK -> EXCESSIVE PEDAL EFFORT -> EXCESSIVE PEDAL TRAVEL -> HEAVY BRAKE DRAG -> NO BRAKING EFFECT WHEN PEDAL IS DEPRESSED -> PULL, UNEVEN OR GRABBING BRAKES -> REAR BRAKES LOCKING ON APPLICATION
Vehicle: 1990 Dodge D250 Pickup 3.9 V6 GAS

EXCESSIVE PEDAL TRAVEL

  • Worn brake lining.
  • Pad knock back after cornering or rough road travel.
  • Piston or pad assembly not properly seated or positioned.
  • Air leak or insufficient fluid in system or caliper.
  • Loose wheel bearing adjustment.
  • Damaged or worn caliper piston seal.
  • Improper booster pushrod adjustment.
  • Pads out of flat more than .005 inch.
  • Rear brake automatic adjusters inoperative.
  • Improperly ground rear brake shoe and lining assemblies.

BRAKE ROUGHNESS OR CHATTER; PEDAL PUMPING

  • Excessive lateral runout of rotor.
  • Rotor excessively out of parallel.

EXCESSIVE PEDAL EFFORT

  • Frozen or seiz...

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