Introduzione
This manual provides detailed instructions and procedures for the maintenance, service, and repair of Volkswagen Golf III and Vento models equipped with Diesel and Turbodiesel engines, manufactured from 1991 onwards. It is designed to assist owners and professional technicians in performing various tasks, from routine servicing to complex overhauls and fault diagnosis.
The information contained herein is based on the original vehicle specifications and common repair practices. Always prioritize safety and consult professional assistance if unsure about any procedure.
Prodotto finitoview
This manual covers the Volkswagen Golf III and Vento series, specifically focusing on models equipped with Diesel and Turbodiesel engines produced from 1991. These vehicles are known for their robust design and fuel efficiency. The manual aims to provide comprehensive guidance for their upkeep.

Figura 1: Front cover of the "Pocket Mechanic Vehicle Manual" for Volkswagen Golf III/Vento Diesel, Turbo, TDI models from 1991. The cover displays an illustration of a Volkswagen Golf III/Vento car and lists covered topics such as Adjustments, Tune-Up, Repairs, Overhauls, Servicing, and Fault Finding, published by Peter Russek Manuals.
Informazioni generali sulla sicurezza
Always observe safety precautions when working on a vehicle. This includes wearing appropriate personal protective equipment (PPE) such as safety glasses and gloves, ensuring the vehicle is securely supported on jack stands, disconnecting the battery when working on electrical systems, and allowing hot components to cool before handling.
- Ensure adequate ventilation when working with chemicals or engine fumes.
- Tenere un estintore a portata di mano.
- Non lavorare mai sotto un veicolo sostenuto solo da un cric.
- Refer to the vehicle's owner's manual for additional safety guidelines.
Manutenzione e assistenza
Regular maintenance is crucial for the longevity and optimal performance of your Volkswagen Golf III/Vento. This section outlines routine servicing tasks and recommended intervals.
Routine Checks and Fluid Levels
- Olio motore: Check level weekly. Refer to specifications for correct oil type and capacity.
- Refrigerante: Inspect level and condition. Top up with appropriate coolant mixture.
- Liquido freni: Check level and condition. Do not overfill.
- Liquido del servosterzo: Verify level in reservoir.
- Liquido lavavetri: Ensure adequate supply.
Scheduled Servicing (Tune-Up)
Follow the manufacturer's recommended service schedule. Typical intervals include:
- Cambio olio e filtro: Every 10,000-15,000 km or annually, whichever comes first.
- Sostituzione del filtro del carburante: As per manufacturer's schedule, typically every 30,000-60,000 km.
- Sostituzione del filtro dell'aria: Annually or every 30,000 km, more frequently in dusty conditions.
- Timing Belt Inspection/Replacement: Critical maintenance item; adhere strictly to manufacturer's specified mileage/time.
- Ispezione del sistema frenante: Check pads, discs, and lines at every service.
Repairs and Overhauls
This section provides detailed procedures for common repairs and major overhauls. It is recommended to have appropriate tools and a clean working environment before attempting any repair.
Sistema motore
Procedures for diagnosing and repairing engine components, including:
- Cylinder head removal and installation.
- Piston and connecting rod service.
- Crankshaft and main bearing replacement.
- Fuel injection system component replacement (injectors, fuel pump).
- Turbocharger inspection and replacement.
Trasmissione e gruppo propulsore
Guidance on servicing manual and automatic transmissions, clutch replacement, and driveshaft maintenance.
Sistema frenante
Instructions for brake pad and disc replacement, caliper service, brake line inspection, and bleeding the brake system.
Sospensioni e sterzo
Procedures for shock absorber/strut replacement, spring service, control arm replacement, and steering rack maintenance.
Regolazioni
Precise adjustments are often necessary after repairs or as part of routine maintenance. This section covers key adjustments.
- Valve Clearance Adjustment: If applicable to your engine type.
- Fuel Injection Timing: Critical for diesel engine performance and emissions.
- Regolazione del minimo: For stable engine operation.
- Orientamento dei fari: For proper illumination and safety.
- Allineamento delle ruote: Recommended after suspension component replacement.
Risoluzione dei problemi e ricerca guasti
This section assists in diagnosing common problems by providing symptoms, possible causes, and recommended solutions.
| Sintomo | Possibile causa | Azione |
|---|---|---|
| Il motore gira ma non si avvia | Low fuel, faulty glow plugs, air in fuel system, weak battery | Check fuel level, inspect glow plugs, bleed fuel system, test battery |
| Fumo di scarico eccessivo | Worn injectors, faulty turbo, incorrect fuel timing, oil burning | Inspect injectors, check turbocharger, verify timing, check oil level |
| I freni sembrano spugnosi | Air in brake lines, low brake fluid, worn master cylinder | Bleed brake system, check fluid level, inspect master cylinder |
Specifiche
This section provides key technical specifications for the Volkswagen Golf III/Vento Diesel and Turbodiesel models. Always refer to the specific data for your vehicle's engine code and year of manufacture.
| Categoria | Dettaglio |
|---|---|
| Tipo di motore | Inline 4-cylinder Diesel / Turbodiesel |
| Tipo di carburante | Diesel |
| Capacità dell'olio | Approx. 4.5 - 5.0 Liters (including filter) |
| Capacità del refrigerante | Approx. 6.0 - 7.0 Liters |
| Tire Pressure (Typical) | 2.0 - 2.2 bar (30-32 psi) - Varies by tire size and load |
| Specifiche di coppia | Specific values for bolts (e.g., wheel nuts, engine components) are detailed within relevant repair sections. |
Note: All specifications are approximate and may vary based on specific model year, engine variant, and regional differences. Always consult the vehicle's official service data for precise values.
Garanzia e supporto
This instruction manual is an independent publication and is not affiliated with or endorsed by Volkswagen AG. It provides general guidance for maintenance and repair. Any repairs or modifications performed using the information in this manual are done at the user's own risk.
For official warranty information, support, or authorized service, please refer to your vehicle's original manufacturer documentation or contact an authorized Volkswagen service center. This manual does not provide or imply any warranty for the vehicle or its components.





