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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2004 Buick Century car and truck
repair procedures including Buick 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 2004 Buick Century automobile. Try the Automotix DIY solution today!
We have info for following modifications of 2004 Buick Century
- 2004 Buick Century Custom 3.1 V6 GAS, CID:189, Fuel Injection, Aspiration:189, Engine VIN:, Desg:J
- 2004 Buick Century Limited 3.1 V6 GAS, CID:189, Fuel Injection, Aspiration:189, Engine VIN:, Desg:J
BRAKE SERVICE PROCEDURES FOR 2004 Buick Century AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 Buick Century cars and light trucks from 1990+.
Disc Brakes -> AC-Delco Single Piston Rear Disc Brake -> Brake System Bleed -> Bleed Sequence -> Manual -> Pressure
Vehicle: 2004 Buick Century Custom 3.1 V6 GAS
Manual
Pressure bleeding is recommended for all hydraulic systems. However, if a pressure bleeder is unavailable, use the following procedure. Brake fluid damages painted surfaces. Immediately clean any spilled fluid.
- Remove vacuum reserve by pumping brakes several times with engine off.
- Fill master cylinder reservoir with clean brake fluid. Do not let reservoir fall below half full during bleeding procedure.
- If required, bleed master cylinder as follows:
- Loosen master cylinder forward brake line connection until fluid flows from reservoir, then tighten brake line.
- Have assistant t...
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BRAKE SERVICE PROCEDURES FOR 2004 Buick Century AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 Buick Century cars and light trucks from 1990+.
Power Brake Units -> Description -> AC-Delco Tandem Diaphragm Type -> Toyota/GM Single Diaphragm Type
Vehicle: 2004 Buick Century Custom 3.1 V6 GAS
AC-Delco Tandem Diaphragm Type
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, Fig. .
In normal operating mode, with service brakes in released position, the booster operates with vacuum on both sides of its diaphragms. When brakes are applied, air at atmospheric pressure is admitted to one side of each diaphragm to provide power assist. When the service brake is released, atmospheric air is shut off f...
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BRAKE SERVICE PROCEDURES FOR 2004 Buick Century AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 Buick Century cars and light trucks from 1990+.
Power Brake Units -> General Service
Vehicle: 2004 Buick Century Limited 3.1 V6 GAS
Two basic types of power assist mechanisms are used: vacuum assist diaphragm assemblies, which use engine vacuum or, in some cases vacuum pressure developed by an external vacuum pump. The second type is a hydraulic pressure assist mechanism, which use pressure developed by an external pump (usually the power steering pump). Both systems act to increase the force exerted on the master cylinder piston by the operator. This in turn increases the hydraulic pressure delivered to the wheel cylinders while decreasing driver effort required to obtain acceptable stopping performance.
Vac...
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BRAKE SERVICE PROCEDURES FOR 2004 Buick Century AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 Buick Century cars and light trucks from 1990+.
Disc Brakes -> AC-Delco Single Piston Rear Disc Brake -> Precautions
Vehicle: 2004 Buick Century Custom 3.1 V6 GAS
- Keep grease and other foreign material off brake linings, caliper, surfaces of disc and external surfaces of hub.
- Avoid deforming disc, and nicking or scratching brake linings.
- Worn or damaged rubber piston seals should be replaced.
- During removal and installation of a wheel assembly, ensure not to interfere with or damage caliper splash shield, or bleeder screw.
- Front wheel bearings pre...
CLICK HERE TO GET FULL ACCESS TO 2004 Buick Century BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2004 Buick Century AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 Buick Century cars and light trucks from 1990+.
Disc Brakes -> AC-Delco Single Piston Rear Disc Brake -> Brake Pad Service -> All Models Except Century, Grand Prix & Regal -> Century, Grand Prix & Regal -> Installation -> Removal
Vehicle: 2004 Buick Century Custom 3.1 V6 GAS
All Models Except Century, Grand Prix & Regal
Removal
- Remove 2/3 of brake fluid from master cylinder reservoir.
- Raise and support vehicle.
- Mark wheel to axle flange relationship for installation alignment, then remove wheel and tire assembly.
- Remove bolt and washer attaching cable support bracket to caliper, Fig. .
- Remove sleeve bolt and pivot caliper, Fig. . Do not completely remove caliper.
- Remove outboard and inboard shoe and linings, then two pad clips from caliper support.
Installation
- Turn piston and thread it into caliper assembly using suitable spanner-type tool in piston slots...
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BRAKE SERVICE PROCEDURES FOR 2004 Buick Century AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 Buick Century cars and light trucks from 1990+.
Hydraulic Brake Systems -> Component Service -> Assemble -> Aura, Bonneville, DTS, ION, LeSabre, Lucerne, Park Avenue, Solstice & SKY -> Aveo -> Corvette -> CTS -> Disassemble -> Except Aura, Aveo, Bonneville, Cobalt, Corvette, CTS, DTS, G5, ION, L-Series, LaCrosse, LeSabre, Lucerne, Park Avenue, Solstice, SKY, STS, Vibe & XLR -> L-Series -> LaCrosse, STS & XLR -> Master Cylinder Overhaul -> Vibe -> Wheel Cylinder Overhaul
Vehicle: 2004 Buick Century Limited 3.1 V6 GAS
Master Cylinder Overhaul
Except Aura, Aveo, Bonneville, Cobalt, Corvette, CTS, DTS, G5, ION, L-Series, LaCrosse, LeSabre, Lucerne, Park Avenue, Solstice, SKY, STS, Vibe & XLR
Disassemble
Refer to Figs. and when performing the following procedures.
- Disconnect and plug hydraulic lines.
- Remove mounting nuts and master cylinder.
- Remove reservoir cover and diaphragm. Discard old brake fluid.
- Inspect cover and diaphragm.
- Remove fluid level switch.
- On models equipped with compact master cylinder,remove proportioning valve, Fig. .
- On all models, depress primary piston and remove lock ring.
- Plu...
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