Target Audience:
Owners of 1995-1999 Oldsmobile Eighty-eight and Buick LeSabre seeking to perform maintenance and repairs, independent repair shops, automotive enthusiasts.
Value Proposition:
Provides the same expert-level information as dealer technicians, enabling accurate and efficient servicing, saving costs on dealership repairs.
Key Feature 1:
Comprehensive system coverage: 'Covers EVERYTHING!!!'
Key Feature 2:
Official Factory Service Manual: Utilizes dealer-level repair data.
Key Feature 3:
Digital Format: Instant download, searchable, and printable.
Engine Mechanical:
Complete engine overhaul, disassembly, assembly, diagnostics, and repair.
Engine Electrical:
Wiring diagrams, component testing, ignition system, charging system, starting system, sensors, actuators, ECUs.
Emission Control:
Catalytic converter, EGR system, evaporative emission control (EVAP), PCV system, diagnostics and repair.
Fuel System:
Fuel pump, fuel injectors, fuel pressure regulator, fuel lines, throttle body, fuel tank, diagnostics.
Clutch System:
Clutch operation, diagnostics, and repair (primarily for manual transmissions).
Manual Transaxle:
Disassembly, assembly, repair, and diagnostics of manual gearboxes.
Automatic Transaxle:
Complete overhaul, component testing, valve body repair, torque converter service, diagnostics of automatic transmissions.
Driveshaft Axle:
CV joints, driveshafts, axles, differential service and repair.
Suspension System:
Struts, shocks, control arms, ball joints, bushings, springs, alignment procedures.
Steering System:
Power steering pump, steering rack, tie rods, steering column, diagnostics.
Restraint System:
Airbag system diagnostics and repair, seat belts.
Brake System:
Brake pads, rotors, calipers, master cylinder, ABS system diagnostics and repair, bleeding procedures.
Body Interior Exterior:
Body panel repair, doors, hood, trunk, glass, seals, interior trim, upholstery.
Body Electrical:
Lighting systems, power windows, power locks, mirrors, wipers, horn, interior electronics, wiring diagrams.
HVAC System:
Air conditioning (A/C) system service, refrigerant handling, heating system, ventilation, blower motor, climate controls.
Diagnostic Procedures:
Troubleshooting guides, symptom-based diagnostics, DTC (Diagnostic Trouble Code) interpretation.
Repair Procedures:
Step-by-step instructions for all mechanical and electrical repairs.
Maintenance Procedures:
Oil changes, filter replacements, fluid checks and changes, belt inspections, tune-ups.
Rebuilding Procedures:
Complete rebuild instructions for engines, transmissions, and other major components.
Adjustment Procedures:
Wheel alignment, clutch adjustment, parking brake adjustment.
Technical Depth:
Comprehensive, suitable for professional technicians and advanced DIYers. Covers detailed specifications, torque values, and diagnostic flowcharts.
Primary Engine Oldsmobile Eighty Eight
Engine Code 3800 Series Ii V6 3.8L:
L36 (Naturally Aspirated)
Primary Engine Buick Lesabre
Engine Code 3800 Series Ii V6 3.8L:
L36 (Naturally Aspirated)
Horsepower L36:
Approximately 205 hp @ 5200 rpm (varies slightly by model year)
Torque L36:
Approximately 230 lb-ft @ 3200 rpm (varies slightly by model year)
Fuel Delivery System:
Sequential Multi-Port Fuel Injection (MFI)
Fuel Type:
Unleaded gasoline
Engine Block Material:
Cast Iron
Cylinder Head Material:
Aluminum
Valvetrain:
Overhead Valve (OHV), 2 valves per cylinder
Cooling System Type:
Liquid-cooled
Automatic Transmission Type:
4-speed automatic (e.g., GM 4T60-E, 4T65-E depending on specific application and year)
Manual Transmission Availability:
Rare or not commonly offered in these specific models/years, primarily automatic.
Transmission Control:
Electronic (ECT - Electronic Control Transmission)
Automatic Transmission Fluid Type:
Dexron III (or equivalent)
Automatic Transmission Fluid Capacity:
Approximately 10-12 quarts (varies by model/transmission)
Engine Oil Change Interval:
Every 3,000 - 7,500 miles or 6 months, depending on oil type and driving conditions (refer to manual for exact recommendation).
Service Intervals Filters
Oil Filter Replacement Interval:
With every oil change.
Coolant Flush Interval:
Every 30,000 - 60,000 miles or 2-4 years (refer to manual for specific coolant type and interval).
Engine Oil Specification:
SAE 5W-30 API Service SG or SH (check manual for specific viscosity and API rating for your engine)
Engine Coolant Type:
GM P/N 10528007, specification 6122M (Dex-Cool or equivalent green coolant, depending on original fill)
Power Steering Fluid:
Dexron III (or equivalent)
Engine Oil Capacity With Filter:
Approx. 4.5 quarts (3.8L)
Common Issue Intake Manifold Gaskets:
Leaking intake manifold gaskets, particularly the Northstar V8 (though less common in the L36 3800 V6) or the plastic lower intake manifold on some 3800 engines can lead to coolant leaks.
Common Issue Window Regulators:
Failure of power window regulators and motors.
Common Issue Idler Pulley:
Bearing failure in the serpentine belt idler pulley.
Common Issue ABS Sensors:
ABS wheel speed sensor failures leading to ABS warning lights.
Common Issue Transmission Clutches:
Wear on clutch packs within the automatic transmission, especially with high mileage or heavy use.
Oldsmobile Heritage:
Oldsmobile, a division of General Motors, was known for its innovative spirit and comfortable, stylish vehicles, often targeting a more mature demographic.
Buick Heritage:
Buick, another General Motors division, traditionally offered a blend of luxury, comfort, and performance, appealing to a premium segment.
H Body Platform Context:
Both the Oldsmobile Eighty-eight and Buick LeSabre were built on the GM H platform, a full-size front-wheel-drive platform shared with other GM brands like Chevrolet (Lumina) and Pontiac (Bonneville).
Eighty Eight Positioning:
The Eighty-eight was Oldsmobile's flagship large sedan, emphasizing comfort, quiet ride, and spaciousness.
Lesabre Positioning:
The LeSabre was Buick's equivalent, also a large sedan focused on comfort, ride quality, and a touch of premium features.
Production Period Ninety S:
These models represent the later years of the H-body platform's life cycle, receiving updates and refinements.
