The Volkswagen CA is a 1,588 cc, air‑cooled, flat‑four petrol engine produced between 1972 and 1980. It features a pushrod valvetrain and a single downdraft carburettor, delivering outputs around 44 kW (60 PS) and 108 Nm of torque. This engine, part of the Type 4 family, was designed for durability and ease of maintenance in rear — engined applications.
Fitted primarily to the Volkswagen Type 4 (411/412) and early Vanagon (T2) models, the CA was engineered for dependable, e…
Production years 1972–1980 meet pre-Euro emissions standards applicable at time of manufacture records).
The Volkswagen CA is a 1,588 cc air-cooled flat-four petrol engine engineered for rear-engined vehicles (1972-1980). It combines a simple pushrod valvetrain with a single carburettor to deliver dependable, low-stress performance. Designed for the emissions regulations of its time, it prioritizes mechanical simplicity and serviceability.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,588 cc | |
Fuel type | Petrol | |
Configuration | Flat-4, OHV, 8-valve | |
Aspiration | Naturally Aspirated | |
Bore × stroke | 93.0 mm × 58.6 mm | |
Power output | 44 kW (60 PS) @ 4,300 rpm | |
Torque | 108 Nm @ 2,800 rpm | |
Fuel system | Single downdraft carburettor (Solex 34 PICT-3) | |
Emissions standard | Pre-Euro (1970s standards) | |
Compression ratio | 7.5:1 | |
Cooling system | Air-cooled | |
Turbocharger | None | |
Timing system | Gear-driven camshaft | |
Oil type | Refer to vehicle handbook / manufacturer specification | |
Dry weight | Approx. 100 kg |
The Volkswagen CA was used in Volkswagen's rear-engined Type 4 platform. This engine featured specific mounting points and cooling shrouds for the 411/412 sedan and the early T2 Vanagon. Minor revisions occurred during its production run, but major interchangeability exists within the Type 4 engine family.
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Field reports and technical service bulletins highlight component wear patterns under high-load operation. Adherence to manufacturer service intervals and approved fluid specifications is critical for long-term reliability.
Analysis derived from Volkswagen workshop manuals (1970s) and UK DVSA historic vehicle inspection data. Repair procedures should follow manufacturer guidelines.
The most common questions about engine codes, what they mean, how to find them and how this database works
The CA engine is renowned for its mechanical simplicity and durability when properly maintained. Its air-cooled design requires vigilance against overheating and oil leaks. With regular oil changes, valve adjustments, and attention to the cooling system, these engines can run reliably for hundreds of thousands of miles.
The most common issues are oil leaks from seals and gaskets, overheating due to blocked fins or fan failure, carburetor malfunctions causing poor running, and ignition system failures (points, condenser, coil). These are well-documented in period service manuals.
The CA engine was used in the Volkswagen Type 4 (411/412) sedans from 1972-1974 and in the Volkswagen Transporter (T2) / Vanagon from 1972 until 1980, where it was the standard 1.6L engine before being replaced by the 2.0L unit.
Yes, the CA engine has a strong tuning heritage. Common upgrades include dual carburettors, performance camshafts, cylinder head porting, and higher compression pistons. Significant power gains are possible, but cooling system upgrades are essential to handle the increased heat.
Real-world fuel economy for the CA engine is modest. In a Type 4 sedan, expect approximately 10-12 L/100km (24-28 mpg UK). In a T2 Vanagon, consumption is higher, typically 13-16 L/100km (18-22 mpg UK), depending heavily on load, condition, and driving style.
No. The CA engine, like most pushrod flat-fours of its era, is a non-interference design. If the timing gears were to fail, the pistons would not contact the valves, preventing catastrophic internal damage, though the engine would still stop running.
Early models (pre-1975) often specified non-detergent SAE 30 oil. Later models typically used 10W-40. It's critical to use an oil suitable for air-cooled engines and to check the level frequently, as these engines consume some oil during normal operation. Always consult the specific owner's manual for your model year.
Comprehensive technical documentation and regulatory references
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Regulatory Stability
EU regulations are referenced using CELEX identifiers for long-term stability.
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
Type-approval guidance and documentation.
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