1995-1999 Oldsmobile Aurora Factory Service Repair Manual

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Type: Car

Vendor:

Sku: 152639

Tags: 1995 1996 1997 1998 1999 Aurora Car Cars Oldsmobile

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Description

The Oldsmobile Aurora, produced from 1995 to 1999, represented Oldsmobile's flagship entry into the full-size luxury sedan segment. Built on the GM G-body platform and featuring sleek, aerodynamic styling, the Aurora was designed to compete with established luxury marques by offering a blend of performance, comfort, and advanced technology for its era. It was notable for its standard Northstar V8 engine, providing robust power, and was recognized with accolades such as an Automobile Magazine All-Star award in 1995, underscoring its innovative design and engineering. This comprehensive Factory Service Manual (FSM) provides detailed information for the maintenance, repair, and troubleshooting of 1995-1999 Oldsmobile Aurora models. It covers all major systems, including the 4.0L and 3.5L V8 engines, the 4T80-E automatic transmission, chassis components, and the electrical system. The manual includes diagnostic procedures, step-by-step repair instructions, technical specifications, and maintenance schedules, making it an essential resource for owners, technicians, and mechanics aiming to preserve the performance and reliability of their Aurora.

🏷️ Basic Information

Identification

Make:

Oldsmobile

Model:

Aurora

Years:

1995, 1996, 1997, 1998, 1999

Codes

Platform:

GM G-body (front-wheel drive)

👋 Introduction

Market Position

Segment:

Full-size Luxury Sedan

Target Audience:

Discerning buyers seeking a blend of performance, comfort, and technology in a domestic luxury sedan.

Competitive Analysis

Key Competitors:

Lincoln Continental, Cadillac DeVille, Lexus LS, Acura Legend, Mercedes-Benz E-Class.

Key Features

Design Philosophy:

Sleek, aerodynamic styling with a focus on driver comfort and advanced features for its era.

Powertrain Highlights:

Standard Northstar V8 engine offering strong performance and advanced technologies like sequential fuel injection and dual overhead cams.

📋 Manual Details

Coverage Areas

Primary Coverage:

Comprehensive service and repair for 1995-1999 Oldsmobile Aurora models

Page Count

Estimated Pages:

2000+

Manual Type

Type:

Factory Service Manual (FSM)

Language

Language:

English

Format

Format:

Digital (PDF)

📖 Manual Coverage

Systems Covered

Powertrain:

Engine (4.0L L47 V8, 3.5L L32 V8), Transmission (4T80-E automatic)

Chassis:

Suspension (struts, shocks, bushings), Steering (power steering, steering rack), Brakes (ABS, hydraulic components, parking brake)

Electrical:

Wiring diagrams, lighting, starting/charging system, instrument cluster, body control modules, infotainment, HVAC controls

Body:

Exterior panels, interior trim, doors, windows, glass, seals, upholstery

Procedures Included

Diagnostic:

Troubleshooting guides, diagnostic trouble codes (DTCs), symptom-based diagnosis

Repair:

Component removal and installation, detailed disassembly and reassembly procedures, torque specifications

Maintenance:

Fluid changes, filter replacements, lubrication, tune-up procedures

Adjustments:

Wheel alignment, parking brake adjustment, headlamp aiming

Technical Depth

Depth:

Comprehensive from basic maintenance to complete engine and transmission overhaul, including electrical system diagnostics and repair.

📊 Manual Specifications

File Format

File Type:

Searchable PDF

Print Quality

Resolution:

High-resolution scans of original factory documents

Binding Type

Binding:

N/A (Digital)

Paper Type

Paper:

N/A (Digital)

⚙️ Engine Specifications

Primary Engine

Engine Code 1:

L47 (4.0L V8)

Displacement 1:

3997 cc

Configuration 1:

90-degree V8

Valvetrain 1:

DOHC, 4 valves per cylinder

Bore X Stroke 1:

93.0 mm x 73.0 mm

Compression Ratio 1:

10.3:1

Horsepower 1 95-97:

275 hp @ 6000 rpm

Torque 1 95-97:

295 lb-ft @ 4400 rpm

Horsepower 1 98-99:

270 hp @ 6000 rpm

Torque 1 98-99:

295 lb-ft @ 4400 rpm

Optional Engine

Engine Code 2:

L32 (3.5L V8)

Displacement 2:

3500 cc

Configuration 2:

90-degree V8

Valvetrain 2:

DOHC, 4 valves per cylinder

Horsepower 2:

205 hp @ 5200 rpm

Torque 2:

230 lb-ft @ 3600 rpm

Fuel System

Fuel Delivery:

Sequential Multi-Port Fuel Injection (SFI)

Fuel Type:

Premium Unleaded Gasoline (91 octane recommended)

🔧 Transmission

Standard

Type:

4-Speed Automatic Transaxle

Transmission Code:

4T80-E

Optional

Availability:

N/A (Standard on all models)

Features

Shift Modes:

Driver-selectable 'Normal' and 'Sport' modes

Fluid Type:

Dexron III (or equivalent)

📐 Dimensions

Exterior

Length:

207.2 inches

Width:

74.4 inches

Height:

55.7 inches

Wheelbase:

110.8 inches

Front Track:

61.7 inches

Rear Track:

61.7 inches

Interior

Front Headroom:

38.7 inches

Rear Headroom:

37.8 inches

Front Legroom:

42.4 inches

Rear Legroom:

38.9 inches

Front Shoulder Room:

59.2 inches

Rear Shoulder Room:

58.0 inches

Cargo

Trunk Volume:

16.0 cubic feet

Weights

Curb Weight 4.0L:

3850 - 3950 lbs (approx.)

Curb Weight 3.5L:

3750 - 3850 lbs (approx.)

Gross Vehicle Weight Rating:

4900 - 5000 lbs (approx.)

🛡️ Safety Features

Ratings

NHTSA Frontal Impact Driver:

4 stars (1995-1999 models, based on available data)

NHTSA Frontal Impact Passenger:

4 stars (1995-1999 models, based on available data)

IIHS Side Impact:

Acceptable (1995-1999 models, based on available data)

Active Features

Traction Control:

Standard

Anti Lock Brakes:

Standard (ABS)

Stabilitrak:

Optional (introduced later in production for some models)

Passive Features

Airbags Front:

Driver and Passenger airbags (standard)

Airbags Side:

Optional Side-impact airbags available on some trims/years

Seatbelts:

Front-seat pretensioners, three-point belts for all outboard seating positions.

Child Seat Anchors:

LATCH system not standard, typically used with tether straps.

💡 Technology Features

Infotainment

Audio System:

Bose premium audio system with CD player and/or cassette tape player, AM/FM radio.

Climate Control:

Automatic Climate Control with dual-zone temperature settings.

Display:

Multi-function Driver Information Center (DIC) display.

Driver Assistance

Cruise Control:

Standard Electronic Cruise Control

Steering Wheel Controls:

Audio and climate controls integrated into the steering wheel.

Connectivity

Onboard Diagnostics:

OBD-II compliant from 1996 onwards.

🔧 Maintenance

Service Intervals

Oil Change Interval:

7,500 miles or 6 months (synthetic oil recommended)

Engine Air Filter Replacement:

30,000 miles or 24 months

Cabin Air Filter Replacement:

15,000 miles or 12 months (if equipped)

Spark Plug Replacement L47:

100,000 miles (platinum tipped)

Transmission Fluid Change:

50,000 miles or 48 months (under severe conditions: 30,000 miles)

Fluid Specifications

Engine Oil Type:

SAE 5W-30 Synthetic (API SG or higher)

Engine Coolant Type:

Dex-Cool (Orange) or equivalent silicate-free, extended-life coolant

Brake Fluid Type:

DOT 3

Known Issues

Northstar Head Gaskets:

Premature failure of head bolts and gaskets due to aluminum block/head expansion issues. Requires specialized repair procedures outlined in the manual.

Intake Manifold Gaskets:

Leaking intake manifold gaskets, particularly on early Northstar engines, leading to vacuum leaks and rough idle.

Active Suspension System:

Issues with the optional Active Suspension System (if equipped), including leaking struts and pump failures. Detailed diagnostics are crucial.

Water Pump:

Leaking water pump, often requiring timing chain and cover removal for replacement.

HVAC Blend Doors:

Failure of HVAC blend door actuators leading to improper temperature control and air direction.

📚 Vehicle History

Brand Heritage

Division:

Oldsmobile (a division of General Motors)

Model Evolution

First Generation:

Designed to be Oldsmobile's flagship sedan, representing a significant departure from previous models with a focus on European-inspired design and performance.

Generation Changes 95-99:

Minor styling updates and feature additions, most notably the introduction of the 3.5L V8 engine in 1997 and revised Northstar V8 power output in 1998.

Production

Assembly Location:

Delta Township, Michigan, USA

Production Years:

1995-1999

🏆 Awards & Recognition

Recognitions

Automobile Magazine All-Stars:

Named an Automobile Magazine All-Star for 1995.

Motortrend Car Of The Year Contender:

Recognized as a contender for MotorTrend Car of the Year in its debut year.