Target Audience:
Full-size sedan buyers prioritizing comfort, reliability and low running costs
Segment:
Full-size front-wheel-drive sedan
Key Advantage:
Proven 3800 Series II V6 with an excellent reliability and longevity record
Main Rivals:
Toyota Avalon, Ford Crown Victoria, Chrysler Concorde, Pontiac Bonneville
Engine:
3.8L 3800 Series II V6
Comfort:
Six-passenger bench or bucket seating with soft-tuned suspension
Trims:
Custom and Limited equipment levels
Manual Type:
Complete workshop service and repair manual
Coverage Areas:
All major vehicle systems including engine, transmission, electrical, chassis and body
Page Count:
Test Manual - 100 pages
Delivery Method:
Instant digital download
Binding:
Digital - no physical binding
Engine Mechanical:
Cylinder head, block, gaskets, timing and valve train procedures
Cooling System:
Radiator, thermostat, water pump, fans and coolant recovery
Fuel and Emissions:
Fuel injection, fuel tank, pump, filters and EVAP diagnostics
Ignition System:
Coil pack, plug wires, spark plugs and module testing
Exhaust:
Manifold, catalytic converter and muffler replacement
Automatic Transmission:
4T65-E removal, overhaul and adjustment procedures
Transaxle Cooling:
Cooler lines and auxiliary cooler service
Front Suspension:
Struts, control arms, bushings and ball joints
Rear Suspension:
Coil springs, trailing arms and bushings
Steering:
Power steering pump, rack and pinion, tie rod ends
Brakes:
Disc pads, rotors, calipers, master cylinder and ABS diagnostics
Wiring Diagrams:
Complete circuit diagrams and component locations
Starting and Charging:
Battery, starter, alternator testing
HVAC:
Heater core, evaporator, compressor and blower service
Restraints:
Airbag module, sensors and seat belt service precautions
Body and Interior:
Panels, trim, doors, glass and bumpers
Lighting:
Headlamp, interior lamp and turn signal service
Technical Depth:
Step-by-step removal/installation, torque specs, diagnostic trouble codes
Diagnostics:
Onboard diagnostic procedures and symptom-based troubleshooting charts
Parts Information:
Exploded views with component names and specifications to support part identification
Special Tools:
Required tools listed for each procedure where applicable
File Format:
PDF (searchable, bookmarked, zoomable)
Compatibility:
Windows, macOS, Linux, iOS, and Android — any device with a PDF reader
Requirements:
A PDF reader application (e.g. Adobe Acrobat Reader, free)
Searchability:
Fully text searchable for fast lookup of any topic
Print Quality:
High-resolution digital pages, printable at full clarity
Binding Type:
N/A — digital download, no physical binding
Paper Type:
N/A — digital download, no physical paper
Primary Engine:
3.8L (231 cu in) 3800 Series II V6
Engine Configuration:
90-degree OHV V6, 12 valves
Bore x Stroke:
3.80 in x 3.40 in
Horsepower:
Approximately 200 hp @ 5200 rpm
Torque:
Approximately 225 lb-ft @ 4000 rpm
Fuel System:
Sequential multi-port fuel injection
Recommended Fuel:
Regular unleaded, 87 octane
Fuel Tank Capacity:
Approximately 18 gallons
Ignition:
Coil-on-plug-less distributorless ignition with coil pack
Standard Transmission:
4T65-E 4-speed automatic transaxle
Optional Transmission:
None - automatic was the only offering
Shift Selector:
Floor or column shifter with PRND321
Features:
Electronic shift control, torque converter clutch, adaptive shift logic
NHTSA Frontal Crash Test:
High marks for driver and front passenger protection in this era; verify exact star ratings at nhtsa.gov
Brakes:
4-wheel disc brakes with standard ABS
Traction Control:
Available traction control system
Daytime Running Lights:
Standard
Front Airbags:
Driver and front passenger airbags
Side Airbags:
Optional front-seat side impact airbags
Seat Belts:
Three-point belts at all outboard positions
Structure:
Reinforced safety-cage body structure
Audio System:
AM/FM stereo with cassette; available CD player and premium speaker system
Optional Audio:
Available Delco premium sound with amplifier
Other:
Available OnStar system for this era
Driver Assistance and Convenience
Driver Assistance:
Limited for this era - primarily ABS and optional traction control
Instrumentation:
Digital driver information center (Limited trim)
Comfort Tech:
Available dual-zone electronic climate control, keyless entry, memory seats (Limited)
Auto-Dimming Mirror:
Available electrochromic rearview mirror
Oil and Filter:
Approximately every 3,000 miles or per Oil Life Monitor
Spark Plugs:
Approximately 100,000 miles (platinum plugs)
Coolant:
Long-life coolant with interval per owner's schedule; inspect yearly
Air Filter:
Inspect every oil change, replace as needed
Transmission Fluid:
Service approximately every 50,000 miles under severe use
Engine Oil:
SAE 5W-30, API certified for gasoline engines; approximately 4.5 qt with filter
Transmission Fluid:
Dexron-III automatic transmission fluid
Coolant:
Dex-Cool long-life ethylene glycol coolant
Power Steering Fluid:
GM power steering fluid
Known Issues / Common Wear
Intake Manifold Gasket:
3800 Series II plastic upper intake manifold gasket is a known failure point; inspect for coolant loss
Coolant Leaks:
Check lower intake gasket and throttle body area for coolant seepage
Suspension Wear:
Strut mounts and stabilizer links are routine wear items
Wheel Bearings:
Front hub/bearing assemblies may wear with high mileage
IDM/Coil Pack:
Ignition module and coil pack failures can cause misfires on high-mileage engines
Manufacturer:
Buick, a division of General Motors
Model Line:
LeSabre was Buick's flagship full-size sedan for four decades
First Generation:
Introduced in 1959 as a full-size Buick
Eighth Generation:
Redesigned for 2000 on the front-drive Y-body platform shared with the Pontiac Bonneville
End of Production:
LeSabre production ended in 2005, replaced by the Buick Lucerne
Production Location:
Detroit-Hamtramck Assembly, Michigan, USA