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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1990 Cadillac Seville car and truck
repair procedures including Cadillac engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up &
drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install
procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix
your 1990 Cadillac Seville automobile. Try the Automotix DIY solution today!
We have info for following modifications of 1990 Cadillac Seville
- 1990 Cadillac Seville 4.5 V8 GAS, CID:273, Fuel Injection, Aspiration:273, Engine VIN:, Desg:3
- 1990 Cadillac Seville STS 4.5 V8 GAS, CID:273, Fuel Injection, Aspiration:273, Engine VIN:, Desg:3
BRAKE SERVICE PROCEDURES FOR 1990 Cadillac Seville AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Cadillac Seville cars and light trucks from 1990+.
DISC BRAKES, GENERAL MOTORS -> General Information -> TROUBLESHOOTING
Vehicle: 1990 Cadillac Seville STS 4.5 V8 GAS
When troubleshoot...
CLICK HERE TO GET FULL ACCESS TO 1990 Cadillac Seville BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1990 Cadillac Seville AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Cadillac Seville cars and light trucks from 1990+.
HYDRAULIC BRAKE SYSTEM, GENERAL MOTORS -> COMPONENT DESCRIPTION -> BRAKE DISTRIBUTION VALVE & SWITCH -> BRAKE WARNING LAMP SWITCHES -> COMBINATION VALVE -> Failure Warning Switch -> Fluid Level Sensor -> Metering Valve -> Proportioning or Pressure Control Valve -> Testing Warning Lamp Operation
Vehicle: 1990 Cadillac Seville 4.5 V8 GAS
BRAKE WARNING LAMP SWITCHES
There are four basic types of brake warning lamp switches as shown,Figs. through . When a pressure differential occurs between the front and rear brake systems, the valves will shuttle toward the side with the low pressure.
In the switch shown inFig. , movement of the differential valve forces the switch plunger upward over the tapered shoulder of the valve to close the switch contacts and light the dual brake warning lamp, signaling a brake system failure.
InFig. , the valve assembly consists of two valves in a common bore that are spring loaded ...
CLICK HERE TO GET FULL ACCESS TO 1990 Cadillac Seville BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1990 Cadillac Seville AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Cadillac Seville cars and light trucks from 1990+.
DISC BRAKES, GENERAL MOTORS -> General Information -> BLEEDING DISC BRAKES
Vehicle: 1990 Cadillac Seville STS 4.5 V8 GAS
Pressure bleeding is recommended for all hydraulic disc brake systems.
The disc brake hydraulic system can be bled manually or with pressure bleeding equipment. On vehicles with disc brakes the brake pedal will require more pumping and frequent checking of fluid level in master cylinder during bleeding ope...
CLICK HERE TO GET FULL ACCESS TO 1990 Cadillac Seville BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1990 Cadillac Seville AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Cadillac Seville cars and light trucks from 1990+.
ANTI-LOCK BRAKES, GENERAL MOTORS -> 1990 Eldorado, Reatta, Riviera, Seville, Toronado & Trofeo (Teves Type) -> COMPONENT DESCRIPTION -> BOOSTER/MASTER CYLINDER ASSEMBLY -> ELECTRONIC BRAKE CONTROL MODULE (EBCM) -> FLUID LEVEL SENSOR -> Ground Reference Line -> HYDRAULIC UNIT -> MAIN VALVE -> PRESSURE SWITCH -> Pump Motor Control -> PUMP/MOTOR ASSEMBLY -> VALVE BLOCK -> Warning System Control -> Wheel Circuit Valves
Vehicle: 1990 Cadillac Seville STS 4.5 V8 GAS
HYDRAULIC UNIT
This anti-lock brake system uses an integral hydraulic unit which serves the purpose of booster and master cylinder. The hydraulic unit also includes the electrical and mechanical components required to modulate brake fluid pressure in each hydraulic circuit while in anti-lock mode.
BOOSTER/MASTER CYLINDER ASSEMBLY
The booster/master cylinder assembly contains the necessary valves and pistons to develop hydraulic pressure in the wheel circuits during brake application. Power brake assist is provided through the use of pressurized brake fluid supplied by the hyd...
CLICK HERE TO GET FULL ACCESS TO 1990 Cadillac Seville BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1990 Cadillac Seville AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Cadillac Seville cars and light trucks from 1990+.
POWER BRAKE UNITS, GENERAL MOTORS -> TOYOTA/GM SINGLE DIAPHRAGM TYPE -> ADJUSTMENTS -> Assembly -> Booster Pushrod -> Brake Pedal -> Brakes Drag -> Brakes Grab -> Disassembly -> Hard Pedal/Brakes Inefficient -> Low Or Spongy Brake Pedal -> OVERHAUL -> TROUBLESHOOTING
Vehicle: 1990 Cadillac Seville 4.5 V8 GAS
ADJUSTMENTS
Brake Pedal
- With engine running and brake pedal in rest position, measure distance between face of pedal and floor mat.
- If distance is not 5.79-6.18 inches, adjust pedal height as follows:
- Remove left lower instrument panel trim section and air duct.
- Loosen stop lamp switch sufficiently to gain clearance for pedal adjustment.
- Loosen locknut and rotate pedal pushrod as needed to obtain specified pedal height, then tighten locknut.
- Adjust position of brake light switch so that plunger lightly contacts pedal stopper and brake lamps are off when pedal is release...
CLICK HERE TO GET FULL ACCESS TO 1990 Cadillac Seville BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1990 Cadillac Seville AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Cadillac Seville cars and light trucks from 1990+.
DISC BRAKES, GENERAL MOTORS -> General Information -> PROPORTIONING VALVE
Vehicle: 1990 Cadillac Seville 4.5 V8 GAS
The proportioning valve (when used), Fig. , provides balanced braking action between front and rear brakes under a wide range of braking conditions. The valve regulates the hyd...
CLICK HERE TO GET FULL ACCESS TO 1990 Cadillac Seville BRAKE SERVICE PROCEDURES
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