Bosch Bosch

Introduction to the BOSCH 1 987 948 074 Timing Belt Set

The BOSCH 1 987 948 074 Timing Belt Set is a premium component designed for precise engine timing in a wide range of vehicles, particularly those from Volkswagen and other manufacturers that use the same belt specifications. This set includes all essential parts needed to replace an old or worn timing belt, ensuring optimal performance, reliability, and longevity.

Key Features

• Complete Kit: The package contains the timing belt itself, a full set of timing pulley rollers (Spannrollen), tensioners, and all necessary hardware for installation.
• High-Quality Materials: Made from durable rubber with reinforced fibers to withstand high temperatures and engine loads.
• Exact Fit: Engineered to match the original specifications of vehicles such as the Volkswagen Transporter 4, ensuring seamless integration without modification.
• Multi-Language Documentation: Includes installation guides in English, German, French, Spanish, Italian, Polish, and Portuguese for global accessibility.

Compatibility Overview

The BOSCH 1 987 948 074 Timing Belt Set is compatible with a variety of engine models. Below are some common applications:

• Volkswagen Transporter 4 Bus
• VW 1 987 948 074 engines (various displacements)
• Other OEMs that use the same belt size and pulley arrangement.

Components Included in the Kit

The kit is meticulously assembled to provide everything a technician needs for a full replacement:

1. Timing Belt (Cinghia di distribuzione / Zahnriemen) – The main belt that synchronizes camshaft and crankshaft rotation.
2. Tensioner Assembly – Maintains proper tension on the belt, preventing slippage or wear.
3. Spannrollen (Pulley Rollers) – Guides the belt across the engine block with minimal friction.
4. Hardware Set – Includes bolts, nuts, and washers required for secure mounting.
5. Installation Instructions – Step-by-step guide in multiple languages to ensure correct assembly.

Benefits of Choosing the Bosch Timing Belt Set

• Reliability: Bosch’s reputation for quality ensures that each component meets stringent performance standards.
• Durability: The reinforced belt material resists cracking and elongation, extending service life.
• Ease of Installation: All parts are pre-assembled where possible, reducing labor time.
• Performance Consistency: Maintains engine timing accuracy, which is critical for fuel efficiency and emissions compliance.

Installation Process Overview

While the full procedure requires a detailed manual, the general steps are as follows:

1. Remove the old belt and tensioner.
2. Install the new tensioner and align it with the engine’s timing marks.
3. Place the new timing belt over the pulleys, ensuring correct routing.
4. Check for proper alignment using the provided markers.
5. Tighten all bolts to specification and perform a final inspection.

Maintenance Tips

To keep your engine running smoothly after installing the new belt:

• Inspect the belt for signs of wear every 60,000–100,000 miles (or as recommended by the vehicle manufacturer).
• Check tensioner operation periodically; a slipping or noisy tensioner can indicate premature failure.
• Avoid over-tightening bolts to prevent damage to the pulley housings.

Technical Specifications

Conclusion

The BOSCH 1 987 948 074 Timing Belt Set delivers a comprehensive, high-quality solution for engine timing replacement. Its complete kit design, durable materials, and global documentation make it an ideal choice for technicians and vehicle owners seeking reliability and performance.