1. Introduction
This manual provides essential information for the proper handling, installation, and maintenance of your BOSCH 1987949524 S40 timing belt. This component is crucial for the correct operation of your vehicle's engine. Please read these instructions carefully before proceeding with any work on the timing belt system.
2. Product Overview
The BOSCH 1987949524 S40 is a high-quality timing belt designed for specific automotive applications. It is a critical engine component responsible for synchronizing the rotation of the crankshaft and camshaft(s), ensuring the engine's valves open and close at the correct times in relation to the position of the pistons. This precise synchronization is vital for engine performance and preventing internal damage.
3. Setup and Installation
Installation of a timing belt is a complex procedure that requires specialized tools, technical knowledge, and adherence to specific vehicle manufacturer guidelines. Incorrect installation can lead to severe engine damage.
3.1 Professional Installation Recommended
It is strongly recommended that the BOSCH 1987949524 S40 timing belt be installed by a qualified automotive technician. Refer to your vehicle's specific service manual for detailed, step-by-step instructions, torque specifications, and any special tools required for your make and model.
3.2 General Installation Considerations (Not a Substitute for Vehicle Manual)
- Safety First: Always disconnect the vehicle's battery and ensure the engine is cool before beginning work.
- Engine at Top Dead Center (TDC): Ensure the engine is set to the correct timing marks (usually Top Dead Center for cylinder 1) before removing the old belt.
- Replace Associated Components: It is common practice to replace the tensioner, idler pulleys, and often the water pump (if driven by the timing belt) simultaneously with the timing belt.
- Correct Tension: Apply the correct tension to the new belt as specified by the vehicle manufacturer. Incorrect tension can lead to premature wear or belt failure.
- Verify Timing: After installation, manually rotate the engine through several cycles to ensure timing marks align correctly and there is no interference.
4. Operating Instructions
The BOSCH 1987949524 S40 timing belt is an internal engine component and does not require direct user operation. Its function is integral to the engine's operation, ensuring precise valve timing. Once correctly installed, the belt operates continuously as part of the engine system.
5. Maintenance
Regular maintenance of the timing belt system is crucial for engine longevity and reliability.
- Inspection: While the timing belt is typically enclosed, if accessible during other engine work, visually inspect it for cracks, fraying, missing teeth, or excessive wear.
- Replacement Interval: Adhere strictly to the vehicle manufacturer's recommended timing belt replacement interval. This is usually specified in your vehicle's owner's manual or service schedule, typically based on mileage or time (e.g., every 60,000-100,000 miles or 5-7 years).
- Associated Components: Always consider replacing the timing belt tensioner, idler pulleys, and water pump (if applicable) when replacing the timing belt. These components wear out over time and can cause premature belt failure if not replaced.
6. Troubleshooting
A failing timing belt can lead to serious engine issues. Since the timing belt is an internal component, direct troubleshooting is not typically performed by the user. Instead, symptoms of a failing belt or related components often manifest as engine problems.
6.1 Common Symptoms of Timing Belt Issues
- Ticking Noise from Engine: Can indicate a worn belt or tensioner.
- Engine Misfires or Runs Rough: May suggest the timing belt has slipped, causing incorrect valve timing.
- Engine Will Not Start: If the timing belt has broken, the engine will crank but not start, and severe internal damage may have occurred.
- Oil Leak from Front of Engine: Sometimes associated with timing cover removal or seal issues during belt replacement.
If you experience any of these symptoms, it is crucial to have your vehicle inspected by a qualified mechanic immediately to prevent further damage.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | BOSCH |
| Model Number | 1987949524 S40 (also 1 987 949 524) |
| Product Type | Timing Belt |
| Package Length | 35 cm |
| Package Width | 35 cm |
| Package Height | 35 cm |
| Package Weight | 0.2 kg |
Note: Specific belt dimensions (length, width, tooth count) are vehicle-dependent and should be verified against your vehicle's requirements before purchase and installation. These details are typically found in your vehicle's service manual or parts catalog.
8. User Tips
No specific user tips were available from reviews or Q&A for this product. Always consult your vehicle's owner's manual for recommended service intervals and procedures.
9. Warranty and Support
For warranty information, technical support, or assistance with your BOSCH 1987949524 S40 timing belt, please contact the seller or the official BOSCH customer service in your region. Keep your proof of purchase for any warranty claims.
