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2004 Buick Century CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Buick REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Tire Pressure Monitoring System
- Starter & Alternator Replacement
- Cabin Air Filter Locations & Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
A/C & HEATER SERVICE PROCEDURES FOR 2004 Buick Century AUTOMOBILES
General Service Domestic Vehicles -> 2003-04 -> Refrigerant Recovery
Vehicle: 2004 Buick Century Limited 3.1 V6 GAS
R-134a systems require the use of special service equipment designed specifically for R-134a systems. R-12 servicing equipment cannot be used on R-134a systems.
R-12 recovery stations cannot be used on R-134a systems. A separate recovery station must be used on R-134a systems. The refrigerants are not compatible and will contaminate the R-12 recovery station.
The use of refrigerant recovery and recycling stations allows the recovery and reuse of refrigerant after contaminants and moisture have been removed.
When using a recovery or recycling station...
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BRAKE SERVICE PROCEDURES FOR 2004 Buick Century AUTOMOBILES
Disc Brakes -> AC-Delco Single Piston Front Disc Brake -> Caliper Service -> Assemble -> Disassemble -> Inspection -> Replacement
Vehicle: 2004 Buick Century Custom 3.1 V6 GAS
Replacement
- Remove approximately 2/3 of brake fluid from master cylinder.
- Raise and support front of vehicle, then remove wheel and tire assembly.
- Push piston back into caliper bore using suitable C-clamp, Fig. .
- Remove inlet fitting mounting bolt, copper washer and inlet fitting from caliper housing. Plug opening in inlet fitting. Do not crimp brake hose.
- Remove caliper mounting bolts and caliper, Fig. . If there are signs of corrosion, replace bolts when installing caliper assembly.
- Reverse procedure to install.
Disassemble
- Clean outside of caliper, then drain brake fluid from caliper...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2004 Buick Century AUTOMOBILES
General Motors Corp./Saturn Passenger Cars -> Fuel Filter Replacement -> Except Aveo, Chevette 1.8L Diesel, Corvette, GTO, LaCrosse, Malibu (2004-06) & Malibu Maxx, Vibe, XLR, 2004-05 Corvette & 1998-2002 Metro & Prizm
Vehicle: 2004 Buick Century Custom 3.1 V6 GAS
Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The highly flammable vapor mixtures may ignite, resulting in serious personal injury.
Prior to disconnecting fuel lines, the fuel system pressure must be relieved to prevent accidental spray of fuel.
After the battery has been disconnected and reconnected, some abnormal driveability symptoms may occur. The vehicle may need to be driven while the v...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2004 Buick Century AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 2004 Buick Century Limited 3.1 V6 GAS
To prevent personal injury and/or component damage, do not allow the weight of the vehicle to load the front wheels, or attempt to operate the vehicle, when the wheel drive shaft(s) or wheel drive shaft nut(s) are removed. To do so may cause the inner bearing race to separate, resulting in damage to brake and suspension components and loss of vehicle control.
Wheel drive shaft boots, seals and clamps should be protected from sharp objects any time service is performed on or near the wheel drive shaft(s). Damage to the boot(s), the seal(s) or the clamp(s) may cause lubrican...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2004 Buick Century AUTOMOBILES
Wiring Diagrams -> Wire Color Code Identification
Vehicle: 2004 Buick Century Limited 3.1 V6 GAS
Refer to Fig. for wirin...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2004 Buick Century AUTOMOBILES
Starter, Replace
Vehicle: 2004 Buick Century Limited 3.1 V6 GAS
- Disconnect battery ground cable.
- Remove air cleaner assembly.
- Raise and support vehicle.
- Remove mounting bolts and torque converter cover.
- Remove mounting bolts, lower starter motor and disco...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2004 Buick Century AUTOMOBILES
Cabin Air Filter Service -> General Motors Corp./Saturn -> 1997-2005 Century, Regal, 1998-2002 Intrigue & 2000-05 Impala & Monte Carlo
Vehicle: 2004 Buick Century Custom 3.1 V6 GAS
Under normal operating conditions the cabin air filter should be replaced every 15,000 miles. In dusty areas change the cabin air filter more often.
- Place the windshield wipers in the up position by turning the ignition switch Off when the wipers reach the desired position.
- Open the hood.
- Lift the righthand side of the rear hood seal from the flange in the area of the rig...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2004 Buick Century AUTOMOBILES
General Motors Corp./Saturn Cars -> Air Bag Warning Lamp ->
Vehicle: 2004 Buick Century Custom 3.1 V6 GAS
This lamp should light for a approximately 6-8 seconds when the ignition is turned on as a bulb check. If the air b...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2004 Buick Century AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2004 Buick Century Custom 3.1 V6 GAS
Lower
- Drain cooling system into a suitable container.
- Reposition hose clamp from water pump housing using hose clamp pliers J 38185 or equivalent.
- Remove radiator outlet hose from water pump housing.
- Remove lower radiator air deflector.
- Reposition hose clamp from radiator using hose clamp pliers J 38185 or equivalent.
- Remove radiator outlet hose from radiator and from vehicle.
- Reverse procedu...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2004 Buick Century AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2004 Buick Century Limited 3.1 V6 GAS
- Disconnect battery ground cable.
- Rotate tensioner counterclockwise using suitable tool to remove ...
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COMPONENT LOCATION DIAGRAMS FOR 2004 Buick Century AUTOMOBILES
Component location diagrams for most 2004 Buick Century cars and light trucks sold in the U.S. from 1990+.
Rear Compartment Antenna Cable Diagram for 2004 Buick Century Limited 3.1 V6 GAS Components on diagram: |
Behind Right Side Of Instrument Panel Diagram for 2004 Buick Century Limited 3.1 V6 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 2004 Buick Century AUTOMOBILES
OEM drawn wiring diagrams for most 2004 Buick Century cars and light trucks sold in the U.S.
2004 Buick Century Custom 3.1 V6 GAS Wiring Diagram Components on diagram: |
2004 Buick Century Limited 3.1 V6 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2004 Buick Century AUTOMOBILES
OEM TSB listings for most 2004 Buick Century cars and light trucks sold in the U.S. from 1985+.
Document: Revised General Motors New Vehicle Tire Warranty Program Vehicle: 2004 Buick Century Custom 3.1 V6 GAS Auto Systems: |
Document: New Website for AFIT, TPM, and VDR Updates Vehicle: 2004 Buick Century Custom 3.1 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2004 Buick Century AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2004 Buick Century cars and light trucks sold in the U.S. and Canada from 1970+.
- Brake caliper mounting bolt torque
- Brake drum runout, machining, & discard specs
- Minimum brake lining thickness.
- Brake rotor runout, parallelism, machining, discard, & finish specs
A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 2004 Buick Century cars and light trucks sold in the U.S. and Canada from 1980+.
- Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap
COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.
PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules
QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 2004 Buick Century cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.
- Automatic transmission/transaxles capacities, lubricant recommendations
- Differential/final drive capacities, lube recommendations, grades, & viscosities
- Final drive fill & drain plug torques
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
- Severe service maintenance & interval recommendations
- Tire sizes, wheel nut/bolt torque, pressures & rim sizes
- Transfer case capacities, lube recommendations, grades, & viscosities
TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 2004 Buick Century cars and light trucks sold in the U.S. and Canada from 1980+
- Airflow sensor electrical specifications
- Tensioning specifications for systems with automatic tensioners
- Barometric pressure sensor specs
- Battery group number and cranking performance
- Crankshaft & camshaft position sensor resistance
- Engine compression pressures
- Coolant temperature sensor specs
- Computer advance.
- Diesel fuel temperature sensor resistance.
- Distributor advance specifications
- Ignition pickup coil resistance
- Exhaust gas recirculation temperature sensor resistance
- Engine fastener torque values
- Firing order diagrams
- Fuel system pressures
- Generator (alternator) specs
- Intake air temperature sensor specs
- Ignition coil specifications
- Fuel injector resistance
- Engine idle speeds
- Knock sensor resistance
- Manifold absolute pressure sensor specs
- Mixture control solenoid resistance
- Voltage regulator specs
- Spark plug applications & gaps
- Starter motor electrical specs.
- Tensioning specifications for systems without automatic tensioners
- Throttle body temperature sensor resistance
- Ignition timing in degrees at rpm
- Transmission oil temperature sensor resistance
- Throttle position sensor specs
- Vacuum sensor valve specs
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