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2007 Buick Lacrosse 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
- Brake Service
- 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
BRAKE SERVICE PROCEDURES FOR 2007 Buick Lacrosse AUTOMOBILES
Anti-Lock Brakes -> Bosch Type 5.3 -> Precautions -> ABS Service
Vehicle: 2007 Buick Lacrosse CXS 3.6 V6 GAS
ABS Service
Before performing any repairs on the ABS system, note the following precautions:
- Before using electric welding equipment, disconnect EBTCM.
- Carefully note routing, position and mounting ABS and TCS wiring, connectors, clips and brackets. ABS and TCS are extremely sensitive to electromagnetic interference.
- Do not use a fast charger when battery is connected. Never disconnect battery from system with engine running.
- Ignition switch must be in Off position when disconnecting EBTCM.
- Do not hang other components on wheel speed sensor cables.
- Do not force wheel speed sensors into pla...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2007 Buick Lacrosse AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 2007 Buick Lacrosse CXL 3.8 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 2007 Buick Lacrosse AUTOMOBILES
Component Locations
Vehicle: 2007 Buick Lacrosse CX 3.8 V6 GAS
Refer to F...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2007 Buick Lacrosse AUTOMOBILES
Starter, Replace
Vehicle: 2007 Buick Lacrosse CXS 3.6 V6 GAS
- Disconnect battery ground cable.
- Raise and support vehicle.
- Disconnect starter motor electrical connectors.
- Remove mou...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2007 Buick Lacrosse AUTOMOBILES
Cabin Air Filter Service -> General Motors Corp./Saturn -> 2004-08 Grand Prix, 2005-09 LaCrosse & 2006-07 Monte Carlo & 2006-09 Impala
Vehicle: 2007 Buick Lacrosse CX 3.8 V6 GAS
Under normal operating conditions the cabin air filter should be replaced every 12 months or 15,000 miles or at Maintenance II as indicated on the DIC (Driver Information Center). 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 righthand air inlet grill...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2007 Buick Lacrosse AUTOMOBILES
General Motors Corp./Saturn Cars -> Change Oil, Change Oil Now Or Change Oil Soon Lamp & Messages -> 2005-09 LaCrosse -> Less DIC (Driver Information Center) -> w/DIC (Driver Information Center)
Vehicle: 2007 Buick Lacrosse CXL 3.8 V6 GAS
Less DIC (Driver Information Center)
- Turn ignition on, but do not start engine.
- Fully depress and release accelerator pedal three times within five seconds.
- Turn ignition Off.
- Start engine. If "CHANGE OIL SOON" lamp lights, system did not reset. Repeat reset procedure.
w/DIC (Driver Information Center)
- Press option button on DIC unti...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2007 Buick Lacrosse AUTOMOBILES
Radiator, Replace
Vehicle: 2007 Buick Lacrosse CXS 3.6 V6 GAS
- Remove air cleaner
- Drain cooling system into suitable container.
- Remove lefthand and righthand engine mount struts.
- Remove inlet hose from radiator and PCM harness clip from fan shroud.
- Remove transaxle oil cooler lines from retainer clip at bottom of cooling fan shroud.
- Remove fan shroud clip from condenser tubes.
- Remove fan shroud to condenser hold down bracket bolt.
- Remove air deflectors from top of radiator.
- Remove cooling fan shroud bolts and coolant reservoir hose from radiator overflow neck.
- Remove ra...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2007 Buick Lacrosse AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2007 Buick Lacrosse CX 3.8 V6 GAS
- Rotate tensioner counterclockwise using suitable tool to remove drive belt.
- Remov...
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COMPONENT LOCATION DIAGRAMS FOR 2007 Buick Lacrosse AUTOMOBILES
Component location diagrams for most 2007 Buick Lacrosse cars and light trucks sold in the U.S. from 1990+.
Rear of the Engine Diagram for 2007 Buick Lacrosse CX 3.8 V6 GAS Components on diagram: |
Instrument Panel Lighting Diagram for 2007 Buick Lacrosse CX 3.8 V6 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 2007 Buick Lacrosse AUTOMOBILES
OEM drawn wiring diagrams for most 2007 Buick Lacrosse cars and light trucks sold in the U.S.
2007 Buick Lacrosse CXL 3.8 V6 GAS Wiring Diagram Components on diagram: |
2007 Buick Lacrosse CX 3.8 V6 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2007 Buick Lacrosse AUTOMOBILES
OEM TSB listings for most 2007 Buick Lacrosse cars and light trucks sold in the U.S. from 1985+.
Document: Revised General Motors New Vehicle Tire Warranty Program Vehicle: 2007 Buick Lacrosse CX 3.8 V6 GAS Auto Systems: |
Document: GM of Canada New Vehicle Limited Warranty Tire Program Vehicle: 2007 Buick Lacrosse CX 3.8 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2007 Buick Lacrosse AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2007 Buick Lacrosse 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 2007 Buick Lacrosse 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 2007 Buick Lacrosse 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 2007 Buick Lacrosse 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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