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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1990 Pontiac Bonneville car and truck
repair procedures including Pontiac 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 Pontiac Bonneville automobile. Try the Automotix DIY solution today!
We have info for following modifications of 1990 Pontiac Bonneville
- 1990 Pontiac Bonneville LE 3.8 V6 GAS, CID:231, Fuel Injection, Aspiration:231, Engine VIN:, Desg:C
- 1990 Pontiac Bonneville SE 3.8 V6 GAS, CID:231, Fuel Injection, Aspiration:231, Engine VIN:, Desg:C
- 1990 Pontiac Bonneville SSE 3.8 V6 GAS, CID:231, Fuel Injection, Aspiration:231, Engine VIN:, Desg:C
BRAKE SERVICE PROCEDURES FOR 1990 Pontiac Bonneville AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Pontiac Bonneville cars and light trucks from 1990+.
DISC BRAKES, GENERAL MOTORS -> General Information -> PROPORTIONING VALVE
Vehicle: 1990 Pontiac Bonneville SE 3.8 V6 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 Pontiac Bonneville BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1990 Pontiac Bonneville AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Pontiac Bonneville cars and light trucks from 1990+.
DRUM BRAKES, GENERAL MOTORS -> Type 5 -> REMOVAL
Vehicle: 1990 Pontiac Bonneville SE 3.8 V6 GAS
- Raise and support vehicle.
- Mark relationship of wheel to axle flange, then remove wheel and tire assembly.
- Mark relationship of brake drum to axle flange, then remove drum.If brake drum is difficult to remove, back off parking brake cable adjustment, remove inspection hole plug from backing plate, insert screwdriver through hole and press in to push parking brake lever off stop.
- Using suitable tool, rem...
CLICK HERE TO GET FULL ACCESS TO 1990 Pontiac Bonneville BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1990 Pontiac Bonneville AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Pontiac Bonneville cars and light trucks from 1990+.
ANTI-LOCK BRAKES, GENERAL MOTORS -> 1990 Bonneville, DeVille, Eighty-Eight, Electra, Fleetwood, Ninety-Eight, Park Avenue & 6000 (Teves Type) -> DIAGNOSIS -> 1990 6000 -> 1990 MODELS EXCEPT 6000 -> ABS FUNCTIONAL CHECK -> ABS PRE-DIAGNOSIS INSPECTION -> ABS SYMPTOM DIAGNOSIS -> ABS TROUBLE CODE DIAGNOSIS -> BASIC DIAGNOSTIC PROCEDURE -> CLEARING ABS CODES -> DIAGNOSTIC TESTS -> DISPLAYING ABS TROUBLE CODES -> ELECTRICAL CONNECTOR IDENTIFICATION & LOCATION -> HISTORY & CURRENT ABS CODES -> LAMP SEQUENCE DETERMINATION -> LAMP SEQUENCE TEST PROCEDURE -> NOTE ON INTERMITTENTS -> PRE-DIAGNOSIS INSPECTION -> READING ABS TROUBLE CODES -> SELF-DIAGNOSIS -> SYSTEM VOLTAGE DURING DIAGNOSIS -> WIRING DIAGRAMS
Vehicle: 1990 Pontiac Bonneville SE 3.8 V6 GAS
1990 6000
WIRING DIAGRAMS
Refer to "Wiring Diagrams" in "Vehicle Systems".
ELECTRICAL CONNECTOR IDENTIFICATION & LOCATION
Diagnosis of system malfunctions requires three basic steps which must be followed in order to isolate the fault accurately and quickly. The proper diagnostic procedure consists of the following steps: Pre-Diagnosis Inspection, Lamp Sequence Determination and Component Test Charts. Refer to connector location and identification Figs. and , and circuit locationFig. , when performing diagnosis on this system.
PRE-DIAGNOSIS INSPECTION
The pre-diagnosis inspection consists of ...
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BRAKE SERVICE PROCEDURES FOR 1990 Pontiac Bonneville AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Pontiac Bonneville cars and light trucks from 1990+.
DISC BRAKES, GENERAL MOTORS -> Delco-Moraine Single Piston w/Dual Mounting Bolts (Type 6) -> DESCRIPTION
Vehicle: 1990 Pontiac Bonneville SSE 3.8 V6 GAS
These calipers, Figs. and , have a single bore and are mounted to a support bracket with two mounting bolts. Hydraulic force, created by applying force to the brake pedal, is converted by the caliper into friction. The hydraulic force is applied equally against the piston and the bottom of the caliper bore moving the piston outward, resulting in a clamping action on the brake rotor.
The rear calipe...
CLICK HERE TO GET FULL ACCESS TO 1990 Pontiac Bonneville BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1990 Pontiac Bonneville AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Pontiac Bonneville cars and light trucks from 1990+.
ANTI-LOCK BRAKES, GENERAL MOTORS -> 1990 Bonneville, DeVille, Eighty-Eight, Electra, Fleetwood, Ninety-Eight, Park Avenue & 6000 (Teves Type) -> OPERATING PRECAUTIONS -> COMPUTER SYSTEM SERVICE PRECAUTIONS -> GENERAL SERVICE PRECAUTIONS
Vehicle: 1990 Pontiac Bonneville SE 3.8 V6 GAS
Some of the following procedures require that hydraulic lines, hoses and fittings be disconnected for inspection of testing. This Teves brake system uses a hydraulic accumulator which, when completely charged, contains brake fluid under high pressure. Before disconnecting any hydraulic lines, hoses or fittings, ensure the accumulator is completely depressurized as described further on. Failure to depressurize the hydraulic accumulator may result in personal injury and/or damage to painted surfaces and/or the vehicle.
Certain components in the system are not intended to be s...
CLICK HERE TO GET FULL ACCESS TO 1990 Pontiac Bonneville BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1990 Pontiac Bonneville AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Pontiac Bonneville cars and light trucks from 1990+.
DISC BRAKES, GENERAL MOTORS -> General Information -> BRAKE DISC SERVICE
Vehicle: 1990 Pontiac Bonneville SE 3.8 V6 GAS
Servicing of disc brakes is extremely critical due to the close tolerances required in machining the brake disc to insure proper brake operation.
The maintenance of these close controls of the shape of the rubbing surfaces is necessary to prevent brake roughness. In addition, the surface finish must be non-directional and maintained at a micro inch finish. This close control of the rubbing surface finish is necessary to avoid pulls and erratic performance, and to promote long lining life and equal lining wear of both left and right brakes.
In light of the foregoing remarks, ref...
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