The Volkswagen AWF is a 2,771 cc, V6 petrol engine produced between 2001 and 2005. It features an aluminium block and head, double overhead camshafts (DOHC) per cylinder bank, and five valves per cylinder. This engine, part of the VR6 family, used a narrow-angle V configuration to fit transversely in compact platforms, delivering smooth power and a distinctive sound.
Fitted to premium variants like the Golf R32 Mk4 and later the Passat, the AWF was engineered for refined performance with strong mid-range torque. It targeted drivers seeking a blend of everyday usability and engaging, linear power delivery. Emissions compliance for its era was managed through precise engine management and a three-way catalytic converter, meeting Euro 3 standards.
One documented concern is premature failure of the secondary air injection pump, which can trigger emissions fault codes and affect cold-start running, as noted in Volkswagen technical service bulletins. This electric pump is susceptible to moisture ingress and electrical failure. The AWF was eventually superseded by larger displacement and FSI variants of the VR6 engine.
Volkswagen
Production years 2001–2005 meet applicable EU emissions standards for that era (EU Directive 98/69/EC, Euro 3).
The Volkswagen AWF is a 2,771 cc V6 petrol engine engineered for performance-oriented compact and mid-size models (2001-2005). It combines a narrow-angle V6 design with a DOHC 30-valve head to deliver smooth, linear power and a broad torque curve. Designed to meet Euro 3 emissions standards, it offers a compelling blend of performance and relative refinement for its generation.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 2,771 cc | |
| Fuel type | Petrol | |
| Configuration | VR6, DOHC, 30‑valve | |
| Aspiration | Naturally aspirated | |
| Bore × stroke | 84.0 mm × 82.0 mm | |
| Power output | 177 kW (241 PS) @ 6,200 rpm | |
| Torque | 285 Nm @ 2,500 rpm | |
| Fuel system | Bosch Motronic ME7.1 (Multi-point fuel injection) | |
| Emissions standard | Euro 3 | |
| Compression ratio | 10.5:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | None | |
| Timing system | Chain-driven camshafts (two chains) | |
| Oil type | VW 502 00 (SAE 5W-40) | |
| Dry weight | Not specified in primary sources |
The 30-valve VR6 design provides smooth, linear power but requires adherence to 10,000-mile oil change intervals with VW 502 00 specification oil to protect the timing chains and engine internals. The dual timing chains are generally robust but should be inspected for tensioner wear if rattling is heard. The secondary air injection system is critical for emissions compliance during cold starts; pump failure is common and should be addressed promptly. The engine runs hot; ensuring the cooling system is in perfect condition is vital.
Oil Specs: Requires VW 502 00 specification (Volkswagen Owner's Manual). A high-quality 5W-40 synthetic oil is typical.
Emissions: Certified under Euro 3 standards (EU Directive 98/69/EC) for vehicles registered during its production period.
Power Ratings: Measured under DIN 70020 standards (Volkswagen Group PT-2002). Output is consistent across documented applications.
Volkswagen Workshop Manual (Group 13, 01, 15)
Volkswagen ETKA Parts Catalogue
Volkswagen Owner's Manual (Golf R32/Passat B5.5)
EU Directive 98/69/EC
The Volkswagen AWF was used across Volkswagen's Mk4 and B5.5 platforms with transverse mounting. This engine received minor ECU and accessory adaptations between the Golf R32 and Passat applications. All adaptations are documented in OEM technical bulletins.
The engine code "AWF" is stamped on the flat boss at the rear of the engine block, near the transmission flange (Volkswagen Workshop Manual). The 8th digit of the VIN for Golf/Passat models is typically "A" for this engine family. Visually, it can be identified by its distinctive narrow-angle V6 layout, single cylinder head cover spanning both banks, and the intake manifold design. It is distinct from the 2.8L 12v VR6 by its 30-valve head and different camshaft cover.
The AWF's primary reliability risks are secondary air injection pump failure and potential timing chain tensioner wear. While generally robust mechanically, UK MoT data historically shows emissions and ignition faults as common failure points for this era. Neglecting basic maintenance makes addressing the air pump and using the correct oil critical.
Analysis derived from Volkswagen technical bulletins (2001-2005) and general UK MoT failure statistics for the era. Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about VOLKSWAGEN AWF.
Comprehensive technical documentation and regulatory references
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EUR-Lex
EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).
GOV.UK: Vehicle Approval & V5C
UK vehicle approval processes, import rules, and MoT guidance.
DVLA: Engine Changes & MoT
Official guidance on engine swaps and inspection implications.
Vehicle Certification Agency (VCA)
UK type-approval authority for automotive products.
Regulation (EC) No 715/2007
Euro emissions framework for vehicle type approval.
Commission Regulation (EU) 2017/1151
WLTP and RDE testing procedures for emissions certification.
GOV.UK: Vehicle Approval
UK compliance and certification requirements for imported and modified vehicles.
VCA Certification Portal
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