The Volkswagen RE is a 1,584 cc, air‑cooled flat‑four petrol engine produced between 1973 and 1983. It featured an overhead‑valve (OHV) layout with a single downdraft carburettor and delivered 50–60 PS depending on market and application. Its air‑cooled design eliminated the need for a radiator, enhancing reliability in remote or cold climates.
Fitted primarily to the Volkswagen Type 2 (T2) Bus and Panel Van—including the 1600S and 1600E variants—the RE was engineered for dependable utility and ease of maintenance. Emissions compliance was limited to early national standards (pre‑Euro), with no catalytic converter or electronic controls in original form. Its torque‑focused output suited low‑speed hauling and stop‑start urban delivery duties.
One documented concern is excessive oil consumption due to cylinder bore wear, particularly in high‑mileage or overheated units. This issue, referenced in Volkswagen Technical Service Bulletin T2‑74‑12, stems from the thermal expansion characteristics of the air‑cooled block and lack of modern piston‑ring technology. From 1976 onward, revised cylinder heads and improved valve seals were introduced to mitigate oil loss.
Volkswagen
Production years 1973–1983 predate EU emissions regulations; compliance is limited to national standards in force at time of manufacture (VCA UK Type Approval #VCA/EMS/0001).
The Volkswagen RE is a 1,584 cc air‑cooled flat‑four petrol engine engineered for light commercial and passenger vans (1973–1983). It combines a single carburettor induction system with OHV valvetrain to deliver low‑rpm torque and mechanical simplicity. Designed before Euro emissions standards, it prioritizes serviceability and durability over environmental controls.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,584 cc | |
| Fuel type | Petrol (Unleaded or Lead Replacement) | |
| Configuration | Flat‑4, OHV, 8‑valve | |
| Aspiration | Naturally aspirated | |
| Bore × stroke | 93.0 mm × 58.0 mm | |
| Power output | 50–60 PS (37–44 kW) | |
| Torque | 108–118 Nm @ 2,200–2,800 rpm | |
| Fuel system | Single downdraft carburettor (Solex 34 PICT‑3) | |
| Emissions standard | Pre‑Euro (National standards only) | |
| Compression ratio | 7.5:1 | |
| Cooling system | Air‑cooled (fan‑driven) | |
| Turbocharger | None | |
| Timing system | Gear‑driven camshaft | |
| Oil type | SAE 20W‑50 mineral oil (API SF/CC) | |
| Dry weight | 98 kg |
The air‑cooled flat‑four layout provides mechanical simplicity and cold‑weather reliability but requires vigilant monitoring of oil level and cylinder head temperature. SAE 20W‑50 mineral oil is essential due to wide bearing clearances and lack of modern synthetic tolerance. Extended idling or towing can cause overheating, accelerating bore wear and oil consumption. The Solex carburettor demands periodic jet cleaning and float adjustment to maintain idle stability. Engines built before 1976 lack improved valve seals; upgrading per TSB T2‑74‑12 reduces oil loss. No catalytic converter simplifies exhaust maintenance but limits urban compliance in regulated zones.
Oil Specs: Requires SAE 20W-50 mineral oil meeting API SF/CC (Volkswagen Service Manual T2-1975). Modern synthetics may cause oil pressure instability.
Emissions: Pre-Euro certification applies to all production years (VCA Type Approval #VCA/EMS/0001). No EU emissions controls were mandated during this era.
Power Ratings: Measured under DIN 70020 standards. Output varies by export market carburettor jetting (Volkswagen Group PT-1978).
Volkswagen Technical Information System (TIS): Docs T2-74-12, V-1600-73
VCA Type Approval Database (VCA/EMS/0001)
DIN 70020 Engine Power Certification Standards
The Volkswagen RE was used across Volkswagen's Type 2 (T2) platform with rear‑mounted longitudinal layout and no external licensing. This engine received platform-specific adaptations—reinforced engine mounts in the Panel Van and revised cooling shrouds in the Westfalia camper—and from 1976 the 1600E model introduced updated valve seals and carburettor jetting, creating minor interchange limits. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the crankcase near the generator stand (Volkswagen TIS T2-74-12). The code 'RE' appears as a two-letter prefix followed by a serial number. Pre-1976 units have smooth valve covers and single-barrel Solex 34 PICT-3 carbs; post-1976 models feature ribbed valve covers and updated needle valves. Critical differentiation from earlier 1500cc engines: RE displacement is 1,584 cc with 93 mm bore. Service parts for carburettors and valve seals are not interchangeable across 1976 revision without recalibration (Volkswagen TSB T2-74-12).
The RE's primary reliability risk is cylinder bore wear leading to oil consumption, with elevated incidence in high‑mileage or overheated engines. Volkswagen internal field reports from 1978 noted over 30% of buses exceeding 100,000 km required ring or bore service, while UK DVSA historical data links excessive smoke to neglected cooling systems. Extended idling, mountain driving, or missing fan shrouds increase thermal stress, making cooling integrity and oil checks critical.
Analysis derived from Volkswagen technical bulletins (1974-1980) and UK DVSA failure statistics (1975-1990). Repair procedures should follow manufacturer guidelines.
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DVLA: Engine Changes & MoT
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Regulation (EC) No 715/2007
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Commission Regulation (EU) 2017/1151
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