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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1990 Chevrolet Corvette car and truck
repair procedures including Chevrolet 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 Chevrolet Corvette automobile. Try the Automotix DIY solution today!
We have info for following modifications of 1990 Chevrolet Corvette
- 1990 Chevrolet Corvette 5.7 V8 GAS, CID:350, Fuel Injection, Aspiration:350, Engine VIN:, Desg:8
- 1990 Chevrolet Corvette ZR-1 5.7 V8 GAS, CID:350, Fuel Injection, Aspiration:350, Engine VIN:, Desg:J
BRAKE SERVICE PROCEDURES FOR 1990 Chevrolet Corvette AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Chevrolet Corvette cars and light trucks from 1990+.
POWER BRAKE UNITS, GENERAL MOTORS -> DELCO-MORAINE TANDEM DIAPHRAGM TYPE -> Assembly -> Brakes Grab -> DESCRIPTION -> Disassembly -> Hard Pedal -> OVERHAUL -> Slow Or No Release -> TROUBLESHOOTING
Vehicle: 1990 Chevrolet Corvette ZR-1 5.7 V8 GAS
DESCRIPTION
This unit utilizes a vacuum power chamber, consisting of a front and rear shell, housing divider, front and rear diaphragm, plate assemblies, hydraulic pushrod and a diaphragm return spring,Figs. and .
The unit operates in much the same manner as the single diaphragm unit described previously. The diaphragm and plate assemblies utilize the pressure differential between the engine intake manifold vacuum and atmospheric pressure to assist in braking.
TROUBLESHOOTING
Hard Pedal
- Internal vacuum leak.
- Faulty control valve.
Brakes Grab
- Faulty control valve...
CLICK HERE TO GET FULL ACCESS TO 1990 Chevrolet Corvette BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1990 Chevrolet Corvette AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Chevrolet Corvette cars and light trucks from 1990+.
ANTI-LOCK BRAKES, GENERAL MOTORS -> Corvette (Bosch ABS II Type) -> DIAGNOSIS -> 1990 -> 1990-91 Models -> 1991 -> ACCESSING FAULT CODES -> CLEARING CODES -> CODE DEFINITION -> DESCRIPTION -> Diagnostic Display Mode -> Diagnostic Enable Line Procedure -> DIAGNOSTIC TESTS -> Ignition Cycle Default -> Mode F0: ABS Data List -> Mode F1: History Data -> Mode F2: Trouble Codes -> Mode F3: ABS Snapshot -> Mode F4: ABS Tests -> PRELIMINARY DIAGNOSTIC CHECKS -> REQUIRED TEST EQUIPMENT -> Tech 1 Clear Codes Procedure -> TECH 1 DIAGNOSTICS
Vehicle: 1990 Chevrolet Corvette 5.7 V8 GAS
1990-91 Models
DESCRIPTION
The Electronic Brake Control Module (EBCM) monitors its own performance and certain input and output signals to determine if a system malfunction has occurred. Most ABS self-diagnostics are performed by the controller after the vehicle reaches 1.7 mph. For this reason, the vehicle must be road tested to check for malfunctions that will set fault codes.
The Built-In Test Equipment (BITE) test is performed once during each ignition cycle when the vehicle reaches 3-11 mph. The BITE test cycles each solenoid valve and the pump motor to test component operation. The...
[[table data]] [[table data]]CLICK HERE TO GET FULL ACCESS TO 1990 Chevrolet Corvette BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1990 Chevrolet Corvette AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Chevrolet Corvette cars and light trucks from 1990+.
DISC BRAKES, GENERAL MOTORS -> PBR Single Piston Caliper -> PARKING BRAKE ADJUSTMENTS
Vehicle: 1990 Chevrolet Corvette 5.7 V8 GAS
- Release parking brake lever, then raise and support vehicle.
- Remove rear wheels then install lug nuts on two opposite wheel studs to hold brake rotor in position.
- Back caliper pistons into bores.
- Loosen parking brake cable adjusting nut until there is no tension on parking brake shoes.
- Turn each brake rotor until parking brake shoe star adjuster is visible through hole in rotor.
- Adjusting one side at a time, tighten adjuster until rotor cannot be turned by han...
CLICK HERE TO GET FULL ACCESS TO 1990 Chevrolet Corvette BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1990 Chevrolet Corvette AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Chevrolet Corvette 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 Chevrolet Corvette ZR-1 5.7 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 Chevrolet Corvette BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1990 Chevrolet Corvette AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Chevrolet Corvette cars and light trucks from 1990+.
POWER BRAKE UNITS, GENERAL MOTORS -> DELCO-MORAINE TANDEM DIAPHRAGM TYPE -> Assembly -> Brakes Grab -> DESCRIPTION -> Disassembly -> Hard Pedal -> OVERHAUL -> Slow Or No Release -> TROUBLESHOOTING
Vehicle: 1990 Chevrolet Corvette 5.7 V8 GAS
DESCRIPTION
This unit utilizes a vacuum power chamber, consisting of a front and rear shell, housing divider, front and rear diaphragm, plate assemblies, hydraulic pushrod and a diaphragm return spring,Figs. and .
The unit operates in much the same manner as the single diaphragm unit described previously. The diaphragm and plate assemblies utilize the pressure differential between the engine intake manifold vacuum and atmospheric pressure to assist in braking.
TROUBLESHOOTING
Hard Pedal
- Internal vacuum leak.
- Faulty control valve.
Brakes Grab
- Faulty control valve...
CLICK HERE TO GET FULL ACCESS TO 1990 Chevrolet Corvette BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1990 Chevrolet Corvette AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Chevrolet Corvette cars and light trucks from 1990+.
DISC BRAKES, GENERAL MOTORS -> PBR Single Piston Caliper -> SERVICE -> BRAKE SHOE & LINING INSTALLATION -> BRAKE SHOE & LINING REMOVAL -> CALIPER ASSEMBLY -> CALIPER DISASSEMBLY -> CALIPER INSTALLATION -> CALIPER REMOVAL
Vehicle: 1990 Chevrolet Corvette 5.7 V8 GAS
BRAKE SHOE & LINING REMOVAL
- Remove2/3 of the total brake fluid capacity from master cylinder reservoir.
- Raise and support vehicle, then remove tire and wheel assembly.
- Install two wheel retaining nuts to retain rotor in position.
- Position one end of a suitable C-clamp against inlet fitting bolt, and the other end against outboard shoe and lining, then tighten clamp as shown, Fig. , until piston fully bottoms in caliper bore.
- Remove upper guide pin bolt and discard.
- Loosen lower guide pin bolt, then pivot caliper downward on the lower guide pin bolt to expose the shoe & lining assemblies. Use ...
CLICK HERE TO GET FULL ACCESS TO 1990 Chevrolet Corvette BRAKE SERVICE PROCEDURES
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