Repair manual
Wiring diagrams
Buick LeSabre VIII Repair Manual
Step-by-step repair and maintenance instructions for the Buick LeSabre VIII (2000–2005): removal, installation, adjustment, diagnostics and parameter checks with illustrations.
- FASTENER TIGHTENING SPECIFICATIONS
- Circuit Description
- Test Description
- DIAGNOSTIC SYSTEM CHECK - TIRE PRESSURE MONITORING
- SCAN TOOL DATA DEFINITIONS
- DIAGNOSTIC TEST DRIVE
- History Data
- Diagnostic Strategy
- Conditions For Running DTC
- Conditions For Setting DTC
- Action Taken When DTC Sets
- Conditions For Clearing DTC
- Diagnostic Aids
- C1221 Through C1228
- C1232 Through C1235
- C1221 Through C1224
- C1225 Through C1228
- C1242
- C1243
- Actions Taken When DTC Sets
- C1255
- C1256
- C1276
- P1644 Or P1689
- C1277
- P1571
- C1281
- C1283
- C1286
- C1284
- C1285
- C1287
- C1288
- C1291
- C1293
- Visual/Physical Inspection
- Intermittent
- Symptom List
- Bleeding ABS System
- Automated Bleed Procedure
- TIRE PRESSURE MONITOR RESET PROCEDURE
- Using DIC
- Using Scan Tool
- Removal Procedure
- Installation Procedure
- Initialization Sequence
- Pressure Hold
- Pressure Decrease
- Pressure Increase
- Dynamic Rear Proportioning (DRP)
- Traction Control System (TCS) (NW9)
- Vehicle Stability Enhancement System (VSES)
- Brake System Indicator
- ABS Indicators
- TRAC OFF
- TRACTION CONTROL SYSTEM ACTIVE - 91
- STABILITY SYSTEM ACTIVE - 55 (with DIC)
- SERVICE STABILITY SYSTEM - 54 (with DIC)
- TIRE PRESSURE MONITOR DESCRIPTION & OPERATION
- APPLICATION
- GEAR RATIOS
- DESCRIPTION & OPERATION
- LUBRICATION
- TROUBLE SHOOTING
- Visual Inspection
- Stator Check
- End Play Check
- TORQUE CONVERTER
- TRANSFER CASE REMOVAL
- REVERSE BAND SERVO
- FORWARD BAND SERVO
- OIL PAN & FILTER
- ACCUMULATOR ASSEMBLY & 2-1 MANUAL BAND SERVO
- CONTROL VALVE BODY, OIL PUMP & VEHICLE SPEED SENSOR
- OUTPUT SHAFT
- FRONT DIFFERENTIAL CARRIER END PLAY CHECK
- MANUAL VALVE LINK & OIL DAM
- CASE COVER & GASKETS
- 4TH CLUTCH SHAFT & PLATES
- Drive Chain (Drive Link) Stretch Check
- Drive & Driven Sprocket Disassembly
- DRIVEN SPROCKET SUPPORT ASSEMBLY
- INPUT & 2ND CLUTCH ASSEMBLIES
- REVERSE BAND & REACTION DRUM
- All Wheel Drive
- Except All Wheel Drive
- CASE EXTENSION & DIFFERENTIAL CARRIER
- INPUT & REACTION CARRIER
- REACTION SUN GEAR & 2-1 MANUAL BAND
- 1-2 SUPPORT DRUM & FORWARD BAND
- FINAL DRIVE INTERNAL GEAR
- PARKING SYSTEM COMPONENTS
- Inspection
- Disassembly & Reassembly
- Inspection & Reassembly
- Disassembly
- Reassembly
- VEHICLE SPEED SENSOR RELUCTOR WHEEL
- Functional Check
- Input Clutch & 3rd Sprag Clutch Functional Check
- Input Clutch & 3rd Clutch Functional Check
- INPUT CLUTCH HOUSING CHECK BALL VALVE
- Input Shaft Oil Seal Ring Replacement
- 2nd & 4th Clutch Functional Check
- DRIVE SPROCKET & TURBINE SHAFT
- CASE COVER COMPONENTS
- Bearing Replacement
- Cleaning
- OIL PUMP ASSEMBLY
- CASE SIDE COVER
- THERMO ELEMENT ADJUSTMENT
- TRANSAXLE REASSEMBLY
- TRANSMISSION-TO-TRANSFER CASE END PLAY CHECK
- TRANSFER CASE INSTALLATION
- TORQUE SPECIFICATIONS
- TRANSAXLE SPECIFICATIONS
- APPLICATION
- IDENTIFICATION
- OIL PAN GASKET
- SERVICE INTERVALS
- CHECKING FLUID LEVEL & CONDITION
- RECOMMENDED FLUIDS
- FLUID CAPACITIES
- DRAINING & REFILLING
- OIL COOLER FLUSHING
- Preparation
- Initial Flush
- Back Flush
- Flow Check
- Clean-up
- ON-VEHICLE REPAIRS
- ADJUSTMENTS
- SHIFT CABLE
- REMOVAL & INSTALLATION
- Removal
- Installation
- OIL COOLER HOSE/PIPES
- TORQUE SPECIFICATIONS
- FASTENER TIGHTENING SPECIFICATIONS
- DIAGNOSTIC STARTING POINT - DOORS
- Test Description
- SCAN TOOL DATA DEFINITIONS
- Circuit Description
- Conditions For Running The DTC
- Conditions For Setting The DTC
- Action Taken When The DTC Sets
- Conditions For Clearing The DTC
- Diagnostic Aids
- SYMPTOMS - DOORS
- Visual/Physical Inspection
- Intermittent
- Symptom List
- CHECKING AFTERMARKET ACCESSORIES
- Removal Procedure
- Installation Procedure
- TRIM PANEL REPLACEMENT - SIDE FRONT DOOR
- TRIM PANEL REPLACEMENT - SIDE REAR DOOR
- DOOR ADJUSTMENT
- LOCK STRIKER ADJUSTMENT - DOOR
- WINDOW REPLACEMENT - FRONT DOOR
- WINDOW REPLACEMENT - REAR DOOR
- MIRROR REPLACEMENT - POWER
- Power Windows System Components
- Power Windows Operation
- Windows Power & Ground
- Window Motors
- Windows Express Down Feature
- Window Lockout Feature
- Power Door Lock Components
- Door Lock System Controls
- Power Door Lock Operation
- Power Door Lock Motors
- Front Passenger Door Power Lock Switch
- Driver Door Power Lock Switch
- Automatic Door Locks
- Anti-Lockout feature
- Central Door Unlock
- Delayed Locking feature
- PERSONALIZATION DESCRIPTION & OPERATION
- Vehicle Personalization
- Level 1 (Custom Only)
- Level 2 (Custom & LTD)
- Level 3 (LTD Only)
- Delayed Locking
- Perimeter Lighting
- Remote Activation Verification
- Passenger Window Lockout
- Memory Seats Programming
- Programming Features On Vehicles Without DIC
- Enter Programming
- Exit Programming
- Passenger Window Lock-Out
- Memory Seats
- Parallel Park Assist
- Driver ID
- Programming Features With The Tech 2
- Additional Information
- Door Ajar Indicator System Components
- Driver Door Ajar (140)
- Passenger Door Ajar (141)
- Left Rear Door Ajar (142)
- Right Rear Door Ajar (143)
- Outside Mirror System Components
- Driver & Passenger Outside Mirror Operation
- LH Mirror
- RH Mirror
- Memory Mirrors (A45) Personalization Option
- Memory Mirrors (A45) Operation
- Memory Mirrors (A45) Parallel Parking Mode
- Heated Mirrors
- Automatic Day/Night Feature Operation
- Fastener Tightening Specifications
- Engine Mechanical Specifications
- Diagnostic Starting Point - Engine Mechanical
- Strategy Based Diagnostics
- Visual/Physical Inspection
- Intermittent
- Symptom List
- Engine Compression Test
- Cylinder Leakage Test
- Oil Consumption Diagnosis
- Low Or No Oil Pressure
- Oil Pressure Testing
- Diagnostic Aids
- Test Description
- Installation Procedure
- Removal Procedure
- Engine Mount Inspection
- Engine Support Fixture
- Valve Rocker Arm & Push Rod Replacement
- Valve Stem Oil Seal & Valve Spring Replacement
- Crankshaft Balancer Replacement
- Crankshaft Front Oil Seal Replacement
- Engine Front Cover Replacement
- Oil Filter Adapter & Bypass Valve Assembly Replacement
- Timing Chain & Sprockets Replacement
- Cylinder Head Replacement - Left
- Cylinder Head Replacement - Right
- Engine Oil Pressure Sensor And/Or Switch Replacement
- Engine Flywheel Replacement
- Crankshaft Rear Oil Seal Replacement
- Crankshaft Rear Oil Seal & Housing Replacement
- Engine Replacement
- Engine Final Test & Inspection
- Purpose
- Drive Belt System Description
- Tools & Equipment
- Fastener Tightening Specifications
- Engine Mechanical Specifications
- Crankshaft Balancer Removal
- Intake Manifold Removal - Lower (L36)
- Intake Manifold Removal - Lower (L67)
- Crankshaft Front Oil Seal Removal
- Balance Shaft Removal
- Crankshaft Rear Oil Seal Removal
- Oil Pan Removal
- Piston, Connecting Rod & Bearing Removal
- Crankshaft & Bearings Removal
- Camshaft Bearing Removal
- Balance Shaft Bearing And/Or Bushing Removal
- Engine Block Cleaning & Inspection
- Boring Procedure
- Honing Procedure
- Crankshaft & Bearings Cleaning & Inspection
- Bearing Selection
- Method A
- Method B
- Piston & Connecting Rod Disassemble
- Camshaft & Bearings Cleaning & Inspection
- Valve Rocker Arm & Push Rods Cleaning & Inspection
- Cylinder Head Disassemble
- Cylinder Head Cleaning & Inspection
- Valve Guide Reaming/Valve & Seat Grinding
- Cylinder Head Assemble
- Thread Repair
- Service Prior To Assembly
- Balance Shaft Bearing And/Or Bushing Installation
- Camshaft Bearing Installation
- Crankshaft & Bearings Installation
- Piston, Connecting Rod & Bearing Installation
- Crankshaft Rear Oil Seal & Housing Installation
- Crankshaft Rear Oil Seal Installation
- Balance Shaft Installation
- Timing Chain & Sprockets Installation (L36)
- Timing Chain & Sprockets Installation (L67)
- Oil Filter Adapter Installation
- Engine Front Cover Installation
- Crankshaft Front Oil Seal Installation
- Cylinder Head Installation - Right
- Cylinder Head Installation - Left
- Valve Rocker Arm & Push Rod Installation
- Oil Level Indicator & Tube Installation
- Engine Flywheel Installation (Automatic Transmission)
- Engine Flywheel Installation (Manual Transmission)
- Crankshaft Balancer Installation
- Engine Construction
- Description
- Operation
- New Product Information
- Component Comparison
- Fastener Changes
- Torque Values And/Or Fastener Tightening Strategies
- Changed Engine Specifications
- New Sealants And/Or Adhesives
- Disassembly & Assembly Procedure Revisions
- Engine Mechanical Diagnostic Procedure Revisions
- New Special Tools Required
- Cleanliness & Care
- Replacing Engine Gaskets
- Use Of RTV & Anaerobic Sealer
- Applying RTV Sealer
- Applying Anaerobic Sealer
- Separating Parts
- Tools & Equipment
- HANDLING/SAFETY PRECAUTIONS
- IDENTIFYING R-134a SYSTEMS & COMPONENTS
- Fittings & "O" Rings
- Underhood A/C Specification Labels
- REFRIGERANT OILS
- SCHRADER-TYPE VALVES
- SPECIAL VALVE CONNECTORS
- R-134a SERVICE VALVES/PORTS
- SERVICE VALVE LOCATIONS
- SERVICE EQUIPMENT
- MANIFOLD GAUGE SET
- CONNECTING GAUGE SET
- STABILIZING A/C SYSTEM
- PRESSURE-TEMPERATURE RELATIONSHIP
- PRESSURE GAUGE READINGS
- DAIMLERCHRYSLER CORP.
- Refrigerant System Service Equipment
- Manifold Gauge Set Connections
- Refrigerant Recovery
- Refrigerant System Evacuate
- Refrigerant System Charge
- FORD MOTOR CO.
- Refrigerant System Recovery
- Refrigerant System Evacuation
- Refrigerant System Charging
- GENERAL MOTORS
- JEEP
- A/C SYSTEM FILTERING (FOCUS)
- A/C SYSTEM FILTERING (VILLAGER)
- A/C SYSTEM FILTERING (EXCEPT FOCUS & VILLAGER)
- LEAK TESTING
- Bubble Solution Detector
- Dye Solution
- Fluorescent Leak Detection
- Electronic Leak Detector
- PREPARATION FOR LEAK TESTING
- BUBBLE DETECTOR LEAK TESTING PROCEDURE
- ELECTRONIC LEAK TESTING PROCEDURE
- DYE SOLUTION LEAK TESTING PROCEDURES
- FLUORESCENT DYE LEAK TESTING PROCEDURES
- SPECIFICATIONS
- A/C REFRIGERANT PRESSURE SENSOR
- AIR TEMPERATURE ACTUATOR
- BLOWER MOTOR CONTROL PROCESSOR
- Air Speed
- Air Distribution
- Recirculation Operation
- ENGINE COOLANT
- A/C Cycle
- HVAC CONTROL MODULE
- HVAC OPERATIONS
- MODE ACTUATOR
- RECIRCULATION ACTUATOR
- COMPONENT LOCATIONS
- CALIBRATING ACTUATORS
- PRELIMINARY INSPECTION
- SYMPTOM DIAGNOSIS
- Visual/Physical Inspection
- Intermittents
- Symptom List
- A/C PERFORMANCE TEST
- HEATER PERFORMANCE TEST
- DIAGNOSTIC SYSTEM CHECK
- RETRIEVING DIAGNOSTIC TROUBLE CODES
- CLEARING DIAGNOSTIC TROUBLE CODES
- DTC P0530: A/C PRESSURE SENSOR CIRCUIT FAULT
- Circuit Description
- Conditions For Running DTC
- Conditions For Setting DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Diagnostic Procedure
- DTC P1536: ENGINE COOLANT OVERTEMPERATURE (A/C DISABLED)
- Conditions For Clearing DTC
- DTC P1540: A/C REFRIGERANT OVERPRESSURE (A/C DISABLED)
- DTC P1546: COMPRESSOR CLUTCH RELAY CONTROL CIRCUIT FAULT
- A/C PRESSURE ZONE "A" DIAGNOSIS
- A/C PRESSURE ZONE "B" DIAGNOSIS
- A/C PRESSURE ZONE "C" DIAGNOSIS
- A/C PRESSURE ZONE "D" DIAGNOSIS
- SYMPTOM TESTS
- TEST A: AIR DELIVERY IMPROPER
- TEST B: AIR RECIRCULATION MALFUNCTION
- TEST C: BLOWER MOTOR ALWAYS ON
- TEST D: BLOWER MOTOR INOPERATIVE
- TEST E: BLOWER MOTOR MALFUNCTIONS
- TEST F: COMPRESSOR CLUTCH DOES NOT DISENGAGE
- TEST G: COMPRESSOR CLUTCH DOES NOT ENGAGE
- TEST H: DEFROSTING INSUFFICIENT
- TEST I: TOO COLD IN VEHICLE
- TEST J: TOO HOT IN VEHICLE
- REMOVAL & INSTALLATION
- Removal
- Installation
- COMPRESSOR
- HEATER CORE (WITHOUT CONSOLE)
- HEATER CORE (WITH CONSOLE)
- TORQUE SPECIFICATIONS
- WIRING DIAGRAMS
- Fastener Tightening Specifications
- Instrument Cluster Schematics
- Audible Warnings Schematics (Radio Output, Door and Ignition Switch)
- Diagnostic Starting Point-Instrument Panel, Gauges and Console
- Test Description
- Scan Tool Data List
- Scan Tool Data Definitions
- Circuit Description
- Conditions for Running the DTC
- B2823-Base IPC Only
- B2828-Uplevel IPC Only
- B2833-Uplevel IPC Only
- B2838-Uplevel IPC Only
- B2843
- B2848-Uplevel IPC Only
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Conditions for Setting the DTC
- Diagnostic Aids
- Conditions for Running the OTC
- Symptoms-Instrument Panel, Gauges and Console
- Visual/Physical Inspection
- Intermittent
- Symptom List
- Gauges and Odometer
- Indicators
- Driver Information Center
- Head Up Display
- Audible Warnings
- Head Up Display Window Cleaning
- Removal Procedure — Part 1
- Removal Procedure — Part 2
- Displays Test
- Indicators and Warning Messages
- Engine Coolant Temperature Gauge
- Fuel Gauge
- Speedometer
- Tachometer
- CHANGE ENGINE OIL SOON
- CHECK GAGES
- ENGINE OIL LOW CHECK LEVEL
- Km/h and MPH Indicator(s)
- LOW FUEL
- LOW OIL PRESSURE
- SERVICE VEHICLE SOON
- Driver Information Switches (DIC)
- ENG/MET
- FUEL INFO
- Average Fuel Economy
- Instantaneous Fuel Economy
- Fuel Range
- GAUGE INFO
- Oil Pressure
- Coolant Temperature
- Battery Voltage
- GM Oil Life Index
- Tire Pressure Status
- ODO/TRIP
- RESET
- TRIP RESET
- Personalization Programming
- Head Up Display (HUD) Description and Operation
- Indicator Displays
- Vehicle Speed Display
- Control Switches
- Audible Warnings Description and Operation
- Fasten Safety Belt Warning
- Key In Ignition Warning
- Lights ON Warning
- Park Brake Warning
- Turn Signal On
- Additional Warnings
- Instrument Panel Cluster (IPC)
- Driver Information Center (DIC)
- FASTENER TIGHTENING SPECIFICATIONS
- Test Description
- SCAN TOOL DATA DEFINITIONS
- Circuit Description
- Conditions For Running DTC
- Conditions For Setting DTC
- Action Taken When DTC Sets
- Conditions For Clearing DTC
- Conditions For Clearing MIL/DTC
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the MIL/DTC
- Visual/Physical Inspection
- Intermittent
- Symptom List
- CHECKING AFTERMARKET ACCESSORIES
- Removal Procedure
- Installation Procedure
- HEADLAMP AIMING
- Screen Method for Headlamp Aiming (Visual Aim)
- Headlamp Aiming Procedure
- Alternate Aiming Procedure
- Exterior Lamps
- Headlamps
- Daytime Running Lamps (DRL)/Twilight Sentinel
- Park, Tail & Marker Lamps
- Remote Keyless Entry Exterior Lamp Illumination
- Turn Signal/Cornering Lamps
- Stop Lamps
- Backup Lamps
- High Beam
- High Beam (With HUD)
- Turn Signals
- Turn Signals (With HUD)
- TURN SIGNAL ON? - 20 (With DIC)
- Battery Run Down Protection/Inadvertent Power
- Interior Lamps
- Courtesy/Illuminated Entry Lamps
- Keyless Entry Interior Illumination
- IP Compartment Lamp
- Rear Compartment Lamp
- Vanity Lamps
- Interior Lamps Dimming
- FASTENER TIGHTENING SPECIFICATIONS
- DIAGNOSTIC STARTING POINT - SEATS (W/O A45)
- DIAGNOSTIC STARTING POINT - SEATS (WITH A45)
- Test Description
- SCAN TOOL DATA DEFINITIONS
- Circuit Description
- Conditions For Running The DTC
- Conditions For Setting The DTC
- Action Taken When The DTC Sets
- Conditions For Clearing The DTC
- Conditions For Clearing The MIL/DTC
- Diagnostic Aids
- SYMPTOMS - SEATS
- Visual/Physical Inspection
- Intermittent
- Symptom List
- CHECKING AFTERMARKET ACCESSORIES
- SEAT REPLACEMENT - SPLIT BENCH
- Removal Procedure
- Installation Procedure
- SEAT REPLACEMENT - FRONT BUCKET
- SEAT CUSHION REPLACEMENT - FRONT
- SEAT CUSHION FRAME REPLACEMENT - FRONT (W/AM6)
- SEAT CUSHION COVER & PAD REPLACEMENT - FRONT (W/AM6)
- SEAT CUSHION COVER & PAD REPLACEMENT - FRONT (W/O AM6)
- SEAT BACK COVER & PAD REPLACEMENT - FRONT
- SEAT BACK FRAME REPLACEMENT - FRONT
- POWER RECLINER MOTOR REPLACEMENT - FRONT SEAT
- SEAT BACK RECLINER HANDLE REPLACEMENT - FRONT
- LUMBAR REPLACEMENT - FRONT SEAT (POWER)
- SEAT ADJUSTER REPLACEMENT - FRONT
- SEAT ADJUSTER TRACK COVER REPLACEMENT - FRONT
- SEAT SWITCH REPLACEMENT - POWER
- SEAT ADJUSTER MOTOR REPLACEMENT
- DRIVE CABLE REPLACEMENT - POWER SEAT
- MEMORY SEAT CONTROL MODULE REPLACEMENT
- HEATED SEAT CONTROL MODULE REPLACEMENT - FRONT
- POWER SEATS SYSTEM DESCRIPTION & OPERATION
- Seat Adjuster Switch
- Motors
- Horizontal
- Rear Vertical
- Front Vertical
- Entire Seat Up or Down
- Recline
- Lumbar Support Components
- Power Lumbar Switch
- Vertical
- Lumbar Switch
- Position Sensors
- Memory Functions
- HEATED SEATS DESCRIPTION & OPERATION
- Power and Ground
- Temperature Regulation
- Heated Seat Switch
- Heated Seat Operation
- LED Temperature Indicators
- Load Management
- MEMORY SEATS DESCRIPTION & OPERATION
- Personalization Option
- MSM Power and Ground
- Seat Motors
- Recall Personalization
- Memory Inhibit/Enable