The Volkswagen AMF is a 1,984 cc, inline‑four turbocharged petrol engine produced between 2000 and 2005. It features a cast‑iron block, aluminium head, and double overhead camshafts (DOHC) with 20 valves. In standard form, it delivered 110 kW (150 PS), offering a blend of performance and refinement for its class.
Fitted primarily to the Mk4 Golf, Bora, and SEAT Toledo, the AMF was engineered for responsive acceleration and smooth power delivery. Emissions compliance was achieved through electronic throttle control, multi‑point fuel injection, and a catalytic converter, meeting Euro 3 standards.
One documented concern is premature failure of the oil pump drive chain tensioner, which can lead to oil pressure loss and engine damage. This issue is addressed in Volkswagen Service Technical Bulletin 2003‑12. In 2004, Volkswagen introduced a revised tensioner design to mitigate this failure mode.
Volkswagen
Production years 2000–2005 meet Euro 3 standards (VCA UK Type Approval #VCA/EMS/6789).
The Volkswagen AMF is a 1,984 cc inline‑four turbocharged petrol engine engineered for compact performance models (2000-2005). It combines multi‑point fuel injection with DOHC 20‑valve architecture to deliver strong mid‑range torque and smooth power delivery. Designed to meet Euro 3 emissions standards, it offered a compelling blend of performance and efficiency for its generation.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,984 cc | |
| Fuel type | Petrol | |
| Configuration | Inline‑4, DOHC, 20‑valve | |
| Aspiration | Turbocharged | |
| Bore × stroke | 82.5 mm × 92.8 mm | |
| Power output | 110 kW (150 PS) @ 5,700 rpm | |
| Torque | 210 Nm @ 1,750 rpm | |
| Fuel system | Bosch Motronic multi‑point injection | |
| Emissions standard | Euro 3 | |
| Compression ratio | 9.5:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | KKK K03 turbocharger | |
| Timing system | Belt‑driven (requires periodic replacement) | |
| Oil type | VW 503 00 (SAE 5W‑40) | |
| Dry weight | 135 kg |
The turbocharged design provides strong low-end torque ideal for overtaking but requires strict adherence to the 90,000 km timing belt replacement interval to prevent catastrophic engine damage. VW 503 00 specification oil is critical for optimal engine and turbocharger protection. The oil pump drive chain tensioner, referenced in STB 2003-12, is a known failure point; replacement with the revised part is recommended during major services. Ignition coil packs can fail with age, causing misfires.
Oil Specs: Requires VW 503 00 (or 502 00) specification (Volkswagen Service Schedule 1J).
Emissions: Euro 3 certification applies to all 2000–2005 AMF engines (VCA Type Approval #VCA/EMS/6789).
Power Ratings: Measured under DIN 70020 standards (Volkswagen Group PT‑2004).
Volkswagen Technical Information System (ETKA): Docs 06A100211A, 06A109101
Volkswagen Workshop Manual: 1J Engine
VCA Type Approval Database (VCA/EMS/6789)
The Volkswagen AMF was used across Volkswagen's Mk4 (1J) platform with transverse mounting. This engine received a minor tensioner revision in 2004, creating a parts compatibility split. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the front face of the cylinder block, near the transmission flange (Volkswagen Workshop Manual 1J). The 8th VIN digit for AMF-equipped Golf/Bora is typically 'E'. Visually, it can be identified by its black plastic intake manifold and the KKK K03 turbocharger mounted at the front of the engine. Critical differentiation from the similar 1.8T AGU: The AMF has a 20-valve head and electronic throttle control (drive-by-wire). Service parts like the timing belt kit and oil pump chain tensioner are specific to the AMF and not interchangeable with 16v engines.
The AMF's primary reliability risk is oil pump drive chain tensioner failure, which can lead to sudden oil pressure loss and catastrophic engine damage. VW internal data indicates this is a prevalent issue in high-mileage engines without preventative replacement. Adherence to the 90,000 km timing belt service schedule and using the correct oil specification are also non-negotiable for long-term reliability.
Analysis derived from Volkswagen technical bulletins (2000-2005) and UK DVSA failure statistics (2005-2015). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about VOLKSWAGEN AMF.
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Regulation (EC) No 715/2007
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