🏷️ Basic Information

Make:

Volvo

Model:

C70

Year:

1999

Chassis Code:

M56/M58 (Manual), AW50-55/AW50-55LE (Automatic)

Engine Codes Covered:

B5244S, B5254S

👋 Introduction

Market Position:

The 1999 Volvo C70 was positioned as a premium compact executive car, offering a blend of Scandinavian design, safety, and performance, particularly in its coupe and convertible variants.

Competitors:

Competed with luxury coupes and convertibles like the BMW 3 Series Coupe/Convertible, Mercedes-Benz CLK-Class, and Audi A4 Cabriolet.

Key Features:

Renowned for Volvo's signature safety features, distinctive Scandinavian styling, comfortable interiors, and the availability of a turbocharged engine for enhanced performance.

📋 Manual Details

Systems Covered:

Engine, Fuel System, Ignition System, Cooling System, Exhaust System, Clutch, Transmission (Manual & Automatic), Drive Axles, Suspension (Front & Rear), Steering System, Brakes (Front & Rear), ABS, Body Electrical System, HVAC, Interior Trim, Exterior Trim, Body Panels, Wiring Diagrams

Page Count:

Approximately 1500+

Manual Type:

Factory Service Manual / Repair Manual

Language:

English

Format:

Digital (PDF)

📖 Manual Coverage

Powertrain:

Comprehensive coverage of 2.4L and 2.5L 5-cylinder engines, including diagnostics, repair procedures, and specifications. Covers both M56/M58 manual transmissions and AW50-55/AW50-55LE automatic transmissions.

Chassis:

Detailed information on front McPherson strut and rear multi-link suspension, power-assisted rack-and-pinion steering, and hydraulic power brakes with ABS.

Electrical:

Extensive coverage of the body electrical system, including detailed wiring diagrams, component locations, fuse box layouts, and troubleshooting guides for all electronic modules.

Body Structure:

Information on body panel alignment, door adjustments, and basic chassis structural components.

Maintenance:

Routine maintenance procedures, including oil changes, filter replacements, spark plug replacement, belt replacement, brake fluid flushing, and coolant system service.

Repair Overhaul:

Step-by-step repair and overhaul procedures for major components such as engine rebuilds, transmission overhauls, suspension component replacement, brake caliper and rotor service, and steering rack replacement.

Diagnostics Troubleshooting:

In-depth diagnostic procedures and troubleshooting charts for common and complex issues across all vehicle systems, including symptom-based diagnosis and fault code interpretation.

Body And Trim:

Detailed procedures for interior and exterior trim removal, replacement, and repair, including convertible top assembly.

Wiring Diagrams:

Comprehensive, high-resolution wiring diagrams covering all electrical systems, including engine control, lighting, comfort features, and safety systems.

Depth:

Advanced technical depth suitable for professional technicians and experienced DIY mechanics, covering engine management systems, electronic diagnostics, and component-level repair.

Engine Diagnostics:

Specific diagnostic trouble codes (DTCs), sensor data interpretation, and troubleshooting trees for engine performance issues.

Torque Specifications:

Precise torque specifications for all critical fasteners, including engine components, suspension parts, and brake assemblies.

📊 Manual Specifications

File Format:

High-resolution PDF with searchable text for quick information retrieval.

Print Quality:

Optimized for printing, featuring clear diagrams, legible text, and professional formatting.

Binding Type:

N/A (Digital)

Paper Type:

N/A (Digital)

⚙️ Engine Specifications

Engine Type:

2.4L Inline-5 (Naturally Aspirated and Turbocharged)

Displacement:

2435 cc (2.4 Liters)

Horsepower Na:

168 hp @ 6000 rpm (Approx.)

Torque Na:

170 lb-ft @ 3900 rpm (Approx.)

Horsepower Turbo:

190 hp @ 5100 rpm (Approx.)

Torque Turbo:

200 lb-ft @ 1800 rpm (Approx.)

Fuel Delivery:

Multi-point Fuel Injection (MPI)

Fuel Type:

Unleaded Gasoline (91 Octane Recommended)

ECU:

Bosch Motronic ME7.0 (Typical)

Emission Controls:

Catalytic converter, Lambda sensor (oxygen sensor), secondary air injection system (on some variants).

🔧 Transmission

Transmission Type Std:

5-Speed Manual (M56/M58)

Transmission Type Opt:

4-Speed Automatic (AW50-55/AW50-55LE)

Clutch Type:

Hydraulically Actuated Single Dry Plate

Automatic Features:

Driver-adaptive shift control, sport mode, lock-up torque converter.

Manual Transmission Fluid:

Volvo Transmission Fluid 97308 or equivalent API GL-4 SAE 75W-90.

Automatic Transmission Fluid:

ATF JWS 3309 / Volvo Transmission Fluid 1161540.

📐 Dimensions

Length:

178.2 inches (Coupe), 179.1 inches (Convertible)

Width:

70.1 inches

Height:

53.7 inches (Coupe), 54.4 inches (Convertible)

Ground Clearance:

Approximately 5.0 inches

Seating Capacity:

4

Trunk Volume Coupe:

12.0 cubic feet (Approx.)

Trunk Volume Convertible:

7.6 cubic feet (with top up, Approx.)

Curb Weight Coupe:

3250 lbs (Approx.)

Curb Weight Convertible:

3550 lbs (Approx.)

Gross Vehicle Weight Rating:

4500 lbs (Approx.)

Wheelbase:

104.5 inches

Front Track:

60.4 inches

Rear Track:

59.8 inches

🛡️ Safety Features

NHTSA Front Impact:

5-Star (Driver and Passenger)

IIHS Side Impact:

Good (for comparable models of its era)

ABS:

Standard Anti-lock Braking System

Traction Control:

Optional Traction Control System (TRACS)

Airbags:

Driver and Passenger Frontal Airbags, Optional Side Airbags (SIPS)

Rollover Protection:

Integrated Roll-Over Protection System (ROPS) for Convertible models

Seatbelts:

Pyrotechnically pretensioned seatbelts with force limiters.

💡 Technology Features

Audio System:

Premium audio systems available, often with Dolby Surround Sound and CD player. Standard 6-speaker system.

Climate Control:

Automatic Climate Control (ECC - Electronic Climate Control) available on higher trims.

Cruise Control:

Standard electronic cruise control.

Keyless Entry:

Available keyless entry and remote central locking.

Telephone:

Optional integrated cellular telephone system (less common/functional by modern standards).

🔧 Maintenance

Oil Change Interval:

Every 7,500 miles or 12 months, whichever comes first.

Engine Air Filter:

Inspect every 15,000 miles, replace every 30,000 miles or as needed.

Spark Plugs:

Replace every 60,000 miles (Denso Iridium recommended).

Timing Belt:

Replace every 70,000 miles or 7 years, whichever comes first.

Engine Oil:

SAE 5W-30 or 5W-40 Synthetic API SJ or higher. Capacity: 5.9 US quarts (with filter).

Coolant:

Volvo Coolant (Green) or equivalent G48 (ethylene glycol based). Mixture: 50/50 with distilled water. Capacity: 7.7 US quarts.

Brake Fluid:

DOT 3 or DOT 4 High-Temperature Brake Fluid.

Power Steering Fluid:

Volvo Hydraulic Fluid or Dexron III ATF. Capacity: Approx. 1.1 liters.

Washer Fluid:

Water-based washer fluid. Capacity: Approx. 4.0 liters.

Ignition Coils:

Prone to failure, especially on turbocharged models. Symptoms include misfires and rough running.

Mass Airflow Sensor:

Can become dirty or fail, leading to poor engine performance and check engine lights.

Vacuum Leaks:

Can occur from aged vacuum hoses and intake manifold gaskets, causing rough idle and drivability issues.

Convertible Top Hydraulics:

Hydraulic cylinders and pumps can leak or fail over time, affecting convertible top operation.

📚 Vehicle History

Brand Focus:

Volvo, a Swedish manufacturer, is historically known for its commitment to safety, robust engineering, and distinctive Scandinavian design.

Model Introduction:

The Volvo C70 was introduced in 1997 as a replacement for the Volvo 850 Coupe and Convertible, based on the P80 platform.

Generations:

The 1999 model is part of the first generation (Type P80), produced from 1997 to 2005 (Coupe) and 1998 to 2006 (Convertible).

Production Location:

Uddevalla, Sweden (Production facility operated by Volvo and Tom Walkinshaw Racing).

🏆 Awards & Recognition

Safety Awards:

Volvo consistently received high safety ratings from organizations like the IIHS and NHTSA for its vehicles, including models of this era.

Crash Test Results:

High marks in front and side impact crash tests, reflecting Volvo's strong emphasis on safety engineering.