Volvo 740 1982-1988 Workshop Service Repair Manual

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🏷️ Basic Information Identification Make: Volvo Model: 740 Model Code: P740 Production Years Covered By Manual: 1982, 1983, 1984, 1985, 1986, 1987, 1988 Generation Generation Identifier: First Generation Codes Chassis...

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类型: Car

斯库: 19538

标签: 1982 1983 1984 1985 1986 1987 1988 700 Series 740 Car Cars Volvo

产品多属性

Description

🏷️ Basic Information

Identification

Make:

Volvo

Model:

Model Code:

Production Years Covered By Manual:

1982, 1983, 1984, 1985, 1986, 1987, 1988

Generation

Generation Identifier:

First Generation

Codes

Chassis Codes:

P740 (Sedan), P745 (Wagon)

👋 Introduction

Market Position

Positioning:

A robust and reliable executive sedan and wagon known for safety and durability, popular in North America and Europe.

Competitive Analysis

Key Competitors:

Competed against vehicles like the Mercedes-Benz W124 series, BMW 5 Series (E28/E34), Audi 100, and upper trims of American sedans like Ford Taurus and Chevrolet Caprice during its production run.

Key Features

Longevity And Durability:

The 740 is renowned for its solid construction and long-term durability, making it a favored choice for those seeking a reliable classic vehicle.

Safety Focus:

Volvo's inherent commitment to safety is evident in the 740's design, featuring strong chassis, crumple zones, and safety cage construction.

Diy Friendliness:

The mechanical design of the 740 is relatively straightforward, making it accessible for home mechanics with the right documentation, like this manual.

📋 Manual Details

Coverage Areas

Primary Coverage:

Complete Workshop Service and Repair

Style Coverage:

All Styles Covered

Page Count

Estimated Page Count:

Hundreds (specific count not provided but implied to be extensive)

Manual Type

Type:

Factory Service Repair Manual

Language

Language:

English

Format

Format:

PDF Download

📖 Manual Coverage

Systems Covered

Engine Service And Repair:

Comprehensive engine diagnostics, repair, and overhaul procedures for applicable engine variants.

Transmission Service And Repair:

Detailed procedures for manual and automatic transmissions, including removal, installation, and internal repairs.

Brake System:

In-depth coverage of brake system components, maintenance, troubleshooting, and repair, including ABS if equipped on later models within the range.

Electrical System:

Detailed diagnostics, troubleshooting, and repair procedures for the entire electrical system.

Wiring Diagrams:

Complete and detailed wiring diagrams for all electrical systems, crucial for troubleshooting.

Suspension:

Maintenance and repair of front and rear suspension components, including alignment specifications.

Steering:

Service and repair procedures for the power steering system and steering linkage.

Cooling System:

Radiator, thermostat, water pump, hoses, and cooling fan service and repair.

Fuel System:

Comprehensive coverage of fuel tank, pump, lines, filters, and fuel injection systems.

Fuel Injection:

Detailed information on Bosch and other fuel injection systems used, including component testing and calibration.

Emission System:

Information on emission control components, diagnosis, and repair to meet regulatory standards.

Heating Air Conditioning:

Service and repair of HVAC systems, including refrigerant handling (where applicable), component diagnosis, and cabin comfort.

Engine Control System:

Diagnosis and repair of the Engine Control Unit (ECU) and associated sensors and actuators.

Chassis Body:

Information on chassis components, body panels, adjustments, and related repairs.

Restraint System:

Information on seat belts and airbags (if equipped on later models within the range) and their related systems.

Interior:

Procedures for interior trim removal, installation, and component repair.

Differential Drive:

Service and repair of the rear differential and driveshaft components.

Axle:

Information on front and rear axles, including CV joints and wheel bearings.

General Maintenance:

Routine maintenance procedures and schedules.

Periodic Lubrication:

Detailed lubrication points and recommended lubricant specifications.

Troubleshooting:

Systematic troubleshooting guides for common and complex vehicle issues.

Procedures Included

Repair Procedures:

Step-by-step instructions for disassembly, repair, and reassembly of all major vehicle components.

Diagnostic Procedures:

Detailed diagnostic trees and testing methods for identifying faults.

Maintenance Procedures:

Routine maintenance tasks such as oil changes, filter replacements, spark plug service, and brake fluid flushes.

Electrical Troubleshooting And Repair:

Combined troubleshooting and repair for electrical system faults, supported by wiring diagrams.

Technical Depth

Depth:

Complete Factory Service Information (suitable for DIY and professional mechanics)

Detail Level:

Detailed substeps, notes, cautions, and warnings for critical information.

Illustration Quality:

Hundreds of photos, illustrations, drawings, and enlarged insets for detailed part examination.

📊 Manual Specifications

File Format

Format:

Compatibility:

Compatible with all PC-based Windows operating systems and Mac.

Digital Options:

Downloadable, storable on hard drive, burnable to CD-ROM.

Print Quality

Printability:

Fully printable without restriction (entire manual or selected pages).

Binding Type

Binding:

N/A (Digital Download - printable for self-binding)

Paper Type

Paper Type:

N/A (Digital Download - user's choice for printing)

Requirements

Software:

Adobe PDF Reader

⚙️ Engine Specifications

Primary Engine

Engine Family:

Volvo B230 (Redblock)

Engine Variants

Common Engines:

2.3L (2316cc) Inline-4

Performance

Horsepower Range:

Approximately 114-130 hp (naturally aspirated), up to 162 hp (turbocharged variants like the 740 Turbo).

Torque Range:

Approximately 130-150 lb-ft (naturally aspirated), up to 180-200 lb-ft (turbocharged).

Fuel System

Injection Systems:

Bosch LE-Jetronic, Bosch LH-Jetronic (with EZK ignition control), and Motronic for turbocharged models.

Fuel Requirements

Octane Rating:

Typically requires unleaded gasoline with an octane rating of 87 or higher (check specific vehicle for exact requirements).

Engine Design

Bore X Stroke:

96.0 mm x 80.0 mm (2.3L)

Compression Ratio:

Typically 9.0:1 to 10.1:1 depending on engine variant.

🔧 Transmission

Standard

Transmission Type:

4-speed Manual (M46 Overdrive) or 5-speed Manual (M47)

Optional

Transmission Type:

AW70/71 (3-speed Automatic) or AW70/71E (4-speed Automatic with electronic control).

Features

Overdrive:

M46 manual transmission features an electrically activated overdrive gear (OD).

Fluid Specifications

Automatic Transmission Fluid:

Dexron II or equivalent (check manual for exact specification).

Manual Transmission Fluid:

GL-4 or GL-5 gear oil, viscosity typically 75W-90 or 80W-90.

📐 Dimensions

Exterior

Length:

Approximately 189.1 inches (480 cm) for sedan, 190.7 inches (484 cm) for wagon.

Width:

Approximately 68.5 inches (174 cm).

Height:

Approximately 55.1 inches (140 cm) for sedan, 57.7 inches (147 cm) for wagon.

Weights

Curb Weight:

Approximately 3,000-3,300 lbs (1360-1497 kg) depending on configuration.

Wheel Specifications

Bolt Pattern:

5x108

Lug Nut Torque:

103 lb-ft (140 Nm)

🛡️ Safety Features

Ratings

General Perception:

Volvo vehicles of this era were highly regarded for their safety performance and robust construction.

Active Features

Braking System:

Power-assisted disc front brakes, drum rear brakes. Some later models may offer optional ABS.

Passive Features

Seat Belts:

Three-point seat belts for all occupants, with pre-tensioners on front seats in later models.

Structural Integrity:

Reinforced passenger cage, side-impact beams, and energy-absorbing crumple zones.

💡 Technology Features

Infotainment

Audio System:

Factory AM/FM radio with cassette player. Amplified systems were available on higher trims.

Driver Assistance

Cruise Control:

Standard on most models for its era, providing highway driving comfort.

Antilock Brakes:

Optional ABS available on later models within the production range.

Connectivity

Early Features:

Limited by the era, connectivity primarily revolved around the radio and speaker system.

🔧 Maintenance

Service Intervals

Oil Change:

Typically every 5,000 to 7,500 miles or 6-12 months, depending on driving conditions and oil type used.

Transmission Fluid Change:

Every 30,000 to 50,000 miles for automatic transmissions. Manual transmission fluid may not have a scheduled interval but is recommended to check and replace if contaminated.

Timing Belt Replacement:

For B230 engines, timing belt replacement is crucial and typically recommended every 60,000 miles or 4-5 years. Failure can cause catastrophic engine damage.

Fluid Specifications

Engine Oil:

API SG or higher, SAE 10W-30 or 10W-40 is common. Check owner's manual for specific viscosity based on climate.

Coolant:

Volvo coolant or a 50/50 mixture of ethylene glycol antifreeze and distilled water. Ensure proper corrosion inhibitors are present.

Brake Fluid:

DOT 3 or DOT 4 (check manual for exact specification), change every 2-3 years to prevent moisture absorption.

Known Issues

Oil Leaks:

Common areas for oil leaks include the front and rear crankshaft seals, valve cover gasket, and oil cooler lines.

Wiring Harness Issues:

Age-related degradation of wiring insulation, especially in the engine bay, can lead to electrical gremlins.

Fuel Pump Reliability:

Fuel pumps can become less reliable with age, often exhibiting symptoms like difficulty starting or stalling.

Idle Control Valve:

The idle control valve can become clogged or fail, leading to rough idling or stalling.

📚 Vehicle History

Brand Heritage

Volvo Philosophy:

Founded in 1927, Volvo has a long-standing reputation for engineering safety, reliability, and durability into its vehicles.

Model Evolution

700 Series Introduction:

The 700 series debuted in 1982 with the 760, followed by the more mainstream 740 in 1984, offering a blend of comfort, space, and Volvo's signature engineering.

740 Positioning:

The 740 was positioned as a more accessible version of the luxury 760, sharing many mechanicals but with simpler trim and fewer luxury features.

Production

Manufacturing Locations:

Primarily manufactured in Sweden (Torslanda) and Belgium (Ghent).

🏆 Awards & Recognition

Recognitions

General Reputation:

Consistently ranked among the safest vehicles of its time. Known for its longevity and value retention.