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Buick Century CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Buick REPAIR SHOPS DON'T WANT YOU TO KNOW
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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 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 Buick Century automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR Buick Century AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported Buick Century cars and light trucks from 1990+
Cooling Fans -> Passenger Cars Except Saturn -> 1993 FLEETWOOD -> COMPONENT REPLACEMENT -> COOLANT FAN, REPLACE -> DESCRIPTION -> Less Heavy Duty Cooling System -> SYSTEM DIAGNOSIS & TESTING -> With Heavy Duty Cooling System
Vehicle: 1992 Buick Century Special 2.5 L4 GAS
DESCRIPTION
The primary and secondary coolant fans are turned on and off by the ECM based on inputs from A/C head pressure, engine coolant temperature, vehicle speed and A/C request signals.
The primary cooling fan is turned On when vehicle speed is below 35 mph, diagnostic trouble codes (DTC) 14 or 15 are present, coolant temperature is greater than 226°F or high A/C pressure is indicated.
The secondary cooling fan is controlled by the ECM through the engine coolant temperature sensor. The A/C cooling fan switch, on the A/C high pressure line, is grounded whe...
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BRAKE SERVICE PROCEDURES FOR Buick Century AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported Buick Century cars and light trucks from 1990+.
Power Brake Units -> Troubleshooting -> Brakes Grab -> Hard Pedal/Brakes Inefficient -> Slow Or No Release
Vehicle: 2000 Buick Century Limited 3.1 V6 GAS
Brakes Grab
- Contaminated, worn or faulty brake linings.
- Drum or brake rotor out-of-round.
- Faulty brake booster.
Hard Pedal/Brakes Inefficient
- Contaminated, glazed or faul...
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FUEL FILTER REPLACEMENT PROCEDURES FOR Buick Century AUTOMOBILES
Fuel filter replacement procedures with corresponding images for most domestic and imported Buick Century cars and light trucks sold in the U.S. for 1980+.
General Motors Corp./Saturn Passenger Cars -> Fuel Pressure Relief -> Except Aveo, LaCrosse, LeMans (1988-93), Malibu & Malibu Maxx (2004-05), Metro, Nova, Prizm, Spectrum & Storm -> Engine Fuel Pressure Service Port -> Engines Less Fuel Pressure Service Port
Vehicle: 1997 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 vehicle relearns its adaptive strateg...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR Buick Century AUTOMOBILES
Includes CV axle, universal joint, and driveline replacement, for domestic and imported Buick Century cars and light trucks from 1990+.
CV AXLE SHAFT, Replace
Vehicle: 2004 Buick Century Custom 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 Buick Century AUTOMOBILES
Description, component locations, reset procedures, relearn procedures, diagnosis and testing, wiring diagrams, component replacement, and identification of vehicles equipped and not equipped with tire pressure monitoring system for most domestic and imported Buick Century cars and light trucks sold in the U.S. from mid 1990's+.
Wiring Diagrams -> Wire Color Code Identification
Vehicle: 2005 Buick Century Limited 3.1 V6 GAS
Refer to Fig. for wirin...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR Buick Century AUTOMOBILES
Includes starter and alternator replacement procedures for domestic and imported Buick Century cars and light trucks from 1990+.
Alternator, Replace
Vehicle: 1992 Buick Century Limited 3.3 V6 GAS
- Disconnect battery ground cable from battery.
- Remove drive belt from alternator.
- Remove bolts from alternator.
- Remove electrical connector from alternator.
- Loosen alternator front and rear braces at engine intake manifold.
- Remove nut and battery positive lead from al...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR Buick Century AUTOMOBILES
Cabin air filter locations and replacement procedures with corresponding images for most domestic and imported Buick Century cars and light trucks sold in the U.S. as equipped to the current model year.
Cabin Air Filter Service -> General Motors Corp./Saturn -> 1997-2005 Century, Regal, 1998-2002 Intrigue & 2000-05 Impala & Monte Carlo
Vehicle: 2004 Buick Century Limited 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 Buick Century AUTOMOBILES
Maintenance lamp reset procedures with corresponding images for most domestic and imported Buick Century cars and light trucks sold in the U.S. from 1990+.
General Motors Corp./Saturn Cars -> Check Engine Or Service Now Soon Engine Indicator Lamps (Gasoline Engines w/Electronic Engine Controls Or EFI) -> Except LeMans, Metro, Prizm, Storm & Vibe
Vehicle: 1999 Buick Century Custom 3.1 V6 GAS
The Check Engine lamp should light when the ignition is turned On. When the engine is started, the lamp should go off. If the lamp remains on for 10 seconds or constantly after the engine is started, the self diagnosis system has detected a fault condition and has stored a code in the system Electronic Control Module (ECM) or Powertrain Control Module (PCM). After diagnosis and repair, the ECM memory can be cleared of codes as follows:
On models except Cadillac with DEFI, remove the ECM/PCM fuse or disconnect the battery ground cable for approximately 30...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR Buick Century AUTOMOBILES
Includes radiator, cooling and heater hose replacement procedures for domestic and imported Buick Century cars and light trucks from 1990+
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 1991 Buick Century Special 2.5 L4 GAS
Inlet
- Drain cooling system into a suitable container.
- Reposition heater hose inlet clamp at water outlet using hose clamp pliers.
- Remove heater inlet hose from water outlet.
- Reposition heater core inlet hose clamp at heater core using hose clamp pliers.
- Remove hose from vehicle.
- Reverse procedure to i...
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SERPENTINE BELT SERVICE PROCEDURES FOR Buick Century AUTOMOBILES
Serpentine belt replacement procedures with corresponding images for most domestic and imported Buick Century cars and light trucks sold in the U.S. from 1990+.
Serpentine Drive Belt, Replace
Vehicle: 1995 Buick Century Special 3.1 V6 GAS
- Disconnect battery ground cable.
- Rotate tensioner counterclockwise using suitable tool to remove ...
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COMPONENT LOCATION DIAGRAMS FOR Buick Century AUTOMOBILES
Component location diagrams for most Buick Century cars and light trucks sold in the U.S. from 1990+.
LH Front Of Engine Compartment Diagram for 1990 Buick Century Custom 3.3 V6 GAS Components on diagram: |
Rear RH Side Of Radiator Diagram for 1989 Buick Century Estate Wagon 3.3 V6 GAS Components on diagram: |
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WIRING DIAGRAMS FOR Buick Century AUTOMOBILES
OEM drawn wiring diagrams for most Buick Century cars and light trucks sold in the U.S.
1993 Buick Century Special 2.2 L4 GAS Wiring Diagram Components on diagram: |
2004 Buick Century Custom 3.1 V6 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR Buick Century AUTOMOBILES
OEM TSB listings for most Buick Century cars and light trucks sold in the U.S. from 1985+.
Document: 4T60 - NEW 1-2 AND REVERSE BANDS - INFO/SERV PROC Vehicle: 1985 Buick Century Limited 3.8 V6 GAS Auto Systems: |
Document: INFORMATION ON DISCOLORATION, BLISTERING, PEELING OR EROSION OF VARIOUS EXTERIOR EMBLEMS INCLUDING THE CHEVY BOWTIE Vehicle: 1989 Buick Century Custom 2.5 L4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR Buick Century AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 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 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 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 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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