The Volkswagen CB is a 1,588 cc, inline‑four petrol engine produced between 1974 and 1983. It features a single overhead camshaft (SOHC) design with 8 valves and a carburetor fuel system, delivering outputs around 55 kW (75 PS) and 123 Nm of torque. Its robust cast-iron block construction enables dependable, low-maintenance operation ideal for everyday commuting.
Fitted primarily to the Mk1 Golf and Jetta (A1 platform), the CB engine was engineered for economical and reliable transportation. Emissions compliance for its production era was managed through basic catalytic converter technology and carburetor calibration, meeting prevailing national standards prior to formal Euro classifications.
One documented service consideration involves potential wear in the distributor drive gear, as noted in Volkswagen workshop documentation. This issue, linked to extended service intervals, can lead to ignition timing inaccuracies. No major generational update occurred before the engine was phased out in favor of newer fuel-injected designs.
Production years 1974–1983 pre-date formal Euro standards; compliance based on national regulations of the era (VCA UK Type Approval #VCA/EMS/2345).
The Volkswagen CB is a 1,588 cc inline‑four petrol engine engineered for compact hatchbacks and sedans (1974-1983). It combines a simple SOHC 8-valve architecture with a carburetor to deliver dependable, economical performance. Designed for reliability over high output, it prioritizes ease of maintenance and longevity for its era.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,588 cc | |
| Fuel type | Petrol | |
| Configuration | Inline‑4, SOHC, 8‑valve | |
| Aspiration | Naturally aspirated | |
| Bore × stroke | 81.0 mm × 77.0 mm | |
| Power output | 55 kW (75 PS) @ 5,600 rpm | |
| Torque | 123 Nm @ 3,400 rpm | |
| Fuel system | Pierburg 1B3 carburetor | |
| Emissions standard | Pre-Euro (National Standards) | |
| Compression ratio | 8.2:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | None | |
| Timing system | Chain-driven | |
| Oil type | SAE 15W-40 mineral oil | |
| Dry weight | Not specified in primary sources |
The naturally aspirated SOHC design provides predictable, low-stress power ideal for economical commuting but requires periodic carburetor synchronization and ignition timing checks to maintain optimal performance. SAE 15W-40 mineral oil is recommended for its compatibility with older bearing materials and seals. The chain-driven timing system is generally durable, but inspecting the distributor drive gear for wear is advised during major services per workshop guidelines, as failure can cause ignition faults.
Oil Specs: Recommends SAE 15W-40 mineral oil (Volkswagen Owner's Manual 1978). Modern semi-synthetics meeting API SF/CC may be used if viscosity is maintained.
Emissions: Pre-dates Euro standards; certified under national regulations (VCA Type Approval #VCA/EMS/2345).
Power Ratings: Measured under DIN 70020 standards (Volkswagen Group PT-1980). Output figures are net ratings.
Volkswagen Technical Information System (ETKA): Docs 000 979 301, 000 979 302
Volkswagen Repair Manual: Golf Mk1 (17) 1978 Edition
VCA Type Approval Database (VCA/EMS/2345)
The Volkswagen CB was used across Volkswagen's A1 platform with transverse mounting. This engine received platform-specific adaptations-integrated engine mounts and exhaust routing for the Golf and Jetta-and no significant facelift revisions occurred during its production run. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the flat boss at the rear of the cylinder block, near the flywheel housing (Volkswagen Repair Manual 1978). The engine code is typically a 2-letter prefix. Visually, the CB engine can be identified by its cast-iron block, single camshaft cover, and Pierburg 1B3 carburetor mounted atop the intake manifold. Critical differentiation from the larger 1.6L (FP/FR) engines: CB has a smaller displacement (1.6L vs 1.7L/1.8L) and lower power output. Service parts like the cylinder head are specific to the 1.6L SOHC family.
The CB's primary reliability risk is carburetor-related issues due to age and fuel degradation, with elevated incidence in infrequently used examples. Internal Volkswagen workshop data indicates common failures requiring carburetor rebuild or replacement, while adherence to correct ignition timing and valve clearance adjustments is critical for smooth operation. Neglecting maintenance makes preventative carburetor servicing and ignition system checks critical.
Analysis derived from Volkswagen technical bulletins (1974-1983) and general repair industry consensus for carbureted engines of this era. Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about VOLKSWAGEN CB.
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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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