🏷️ Basic Information

Make:

Chevrolet

Model:

Impala

Year:

1994

Platform:

GM B-Body

Chassis Code:

FWD B-Body

👋 Introduction

Target Audience:

Vehicle owners, DIY enthusiasts, independent repair shops seeking dealership-level repair information.

Differentiation:

Vehicle-specific and factory-authored, providing precise information not found in generic repair guides. Emphasis on completeness and accuracy.

Unique Selling Proposition:

Comprehensive, vehicle-specific data identical to dealership technician manuals, presented in an easy-to-use digital format with advanced usability features like printing and zooming.

Ease Of Use:

Designed for easy navigation with the ability to print specific pages, making it practical for use in a workshop environment.

📋 Manual Details

Coverage Scope:

All Models & All Repairs A-Z

Specific Coverage:

Includes maintenance, engine repair, control systems, mechanical components, fuel systems, emissions control, cooling, lubrication, starting and charging systems, automatic transmissions, brakes, suspension, steering, climate control, safety systems, and electrical components.

Estimated Page Count:

Detailed and extensive, typical for factory service manuals covering all aspects. Exact page count not provided, but described as comprehensive.

Type:

Factory Service and Repair Manual

Language:

English

Format:

Digital PDF (Printable)

Digital Delivery:

Delivered as a digital download for immediate access.

📖 Manual Coverage

Powertrain:

Engine, Fuel Service Specifications, Emission Control, Intake Exhaust Cooling, Lube, Ignition, Starting, Charging, Auto Transmission, Clutch, Manual Transmission, Transfer Propeller Shaft, Drive Shaft, Differential, Axle

Chassis And Suspension:

Suspension, Tire & Wheel, Brake Control, Brake, Parking Brake, Steering Column, Power Steering

Electrical And Accessories:

Electrical, Multiplex/CAN Communication, Air Condition, Suppl. Restraint System (SRS), Seat Belt, Engine Immobilizer, Cruise Control, Wiper & Washer, Door Lock, Meter, Audio/Visual, Horn, Windshield/Glass Mirror, Instrument Panel

Body And Interior:

Seat, Engine Hood/Door, Exterior & Interior

Maintenance:

Scheduled maintenance, fluid changes, filter replacements, inspections.

Diagnostics:

System diagnosis, troubleshooting guides, fault code interpretation (where applicable).

Repair:

Component removal, installation, adjustment, and rebuilding for all covered systems.

Technical Data:

Specifications, tolerances, torque values, fluid types and capacities, wiring schematics.

Diagnostics Troubleshooting:

Detailed troubleshooting charts and diagnostic procedures for various system malfunctions.

Component Identification:

Detailed identification of all components, including their location and function.

Depth:

Factory-level, detailed step-by-step instructions, comprehensive diagrams, and illustrations for all repair and maintenance tasks.

Illustrations Diagrams:

High-quality, detailed illustrations and diagrams for component identification, assembly, and disassembly.

Wiring Schematics:

Complete and detailed wiring schematics for all electrical systems, essential for diagnosing electrical faults.

Specifications Tables:

Extensive tables of specifications including torque values, clearances, electrical resistance, and pressure readings.

📊 Manual Specifications

Format:

PDF

Compatibility:

Windows Vista (32/64-bit), XP, ME, 98, NT, 2000, and Mac OS.

Searchability:

PDF format allows for text searching of keywords and phrases.

Printability:

All pages are printable, allowing users to print only necessary sections or enlarged diagrams.

Binding Type:

N/A (Digital PDF - no physical binding)

Paper Type:

N/A (Digital PDF - no physical paper)

Required Software:

Adobe PDF Reader, WinZip (free online).

⚙️ Engine Specifications

Engine Options 1994:

3.8L (3800) V6 (L36/LG7)

Engine Options 1994 Alt:

5.7L (350) V8 (LT1) - SS model

Horsepower 3.8L V6:

Approx. 170 hp @ 4800 rpm (Varies slightly by specific engine code/tune)

Torque 3.8L V6:

Approx. 220 lb-ft @ 3200 rpm (Varies slightly by specific engine code/tune)

Horsepower 5.7L V8:

Approx. 260 hp @ 5000 rpm

Torque 5.7L V8:

Approx. 330 lb-ft @ 3200 rpm

Fuel Injection System:

Sequential Fuel Injection (SFI)

Fuel Type:

Unleaded gasoline

3.8L V6 Engine Codes:

L36 (standard) and LG7 (California emissions) variants possible.

5.7L V8 Engine Code:

LT1 (SS model)

3.8L V6:

3.8-liter (3800) naturally aspirated V6, known for its smooth operation and decent torque.

5.7L V8:

5.7-liter (350 cubic inch) LT1 V8, a powerful overhead valve (OHV) engine with sequential fuel injection and a distinctive 'Opti-Spark' ignition system.

🔧 Transmission

Transmission Type:

4-speed automatic overdrive (4L60-E)

Transmission Options:

Not typically offered with a manual transmission in this generation.

Transmission Control:

Electronically controlled

📐 Dimensions

Wheelbase:

Approx. 113.8 inches

Length:

Approx. 203.8 inches

Width:

Approx. 74.4 inches

Height:

Approx. 54.5 inches

Curb Weight:

Approx. 3,700 - 4,100 lbs (Varies by model and options)

Gvw:

Gross Vehicle Weight varies, refer to specific vehicle's VIN plate for exact rating.

🛡️ Safety Features

NHTSA Side Impact Rating:

Information for this specific year/model may vary; generally rated well for its era.

ABS:

Anti-lock Braking System (ABS) available on some models/trims.

Airbags:

Driver-side airbag standard.

Seat Belts:

Front and rear seat belts.

💡 Technology Features

Audio System:

Factory AM/FM stereo with cassette player, optional CD player. Speaker configurations varied by trim.

Cruise Control:

Factory cruise control system available as an option or standard on higher trims.

Onboard Diagnostics:

OBD-I system, with specific diagnostic connectors and procedures detailed in the manual.

🔧 Maintenance

Oil Change Interval:

Recommended every 3,000-5,000 miles or 3-6 months, depending on driving conditions. Refer to manual for specific recommendations.

Coolant Flush Interval:

Typically every 30,000-50,000 miles or 2-3 years. Check manual for specific coolant type and interval.

Spark Plug Replacement:

Varies by plug type, but generally around 30,000-100,000 miles for modern plugs (refer to manual for specific plug type and interval for the 3.8L and 5.7L).

Automatic Transmission Fluid Change:

Recommended every 30,000-50,000 miles or as specified in the manual for optimal transmission life.

Engine Oil Type:

Consult manual for specific viscosity (e.g., 5W-30 or 10W-30) and API service classification.

Transmission Fluid Type:

Dexron III (or equivalent) automatic transmission fluid.

Coolant Type:

Ethylene glycol based antifreeze (green type) for GM vehicles of this era.

Power Steering Fluid:

Dexron III (or equivalent) automatic transmission fluid.

Brake Fluid Type:

DOT 3 brake fluid.

Rear Differential Fluid:

GM specification gear lubricant (e.g., 75W-90 GL-5). Capacity varies, check manual.

Common Problems:

Intake manifold gasket leaks (3800 V6), optispark distributor issues (LT1 V8), window regulator failures, suspension component wear (bushings, ball joints), catalytic converter issues.

📚 Vehicle History

Chevrolet Heritage:

Chevrolet has a long history of producing reliable and popular vehicles, with the Impala being a flagship model for decades.

Impala Evolution 1994:

The 1994 Impala represents the final iteration of the iconic GM B-Body platform, known for its rear-wheel-drive layout and comfortable, spacious interiors. This generation received updates and facelifts throughout its production run.

Impala 1994 Specifics:

The 1994 model year featured aerodynamic styling updates and refinements, including improved lighting and bumper integration.

Manufacturing Location:

GM assembly plants in North America (e.g., Oshawa, Ontario, Canada; Arlington, Texas, USA).

🏆 Awards & Recognition

Historical Accolades:

The B-Body platform Impalas of this era were generally well-regarded for their comfort and spaciousness, making them popular choices for personal transport and police/fleet use.