Engine Code

VOLKSWAGEN CLLA engine (2008–2015) – Specs, Problems & Compatibility Database

The Volkswagen CLLA is a 1,984 cc, inline‑four turbocharged petrol engine produced between 2008 and 2015. It features direct fuel injection (TSI), dual overhead camshafts (DOHC), and variable valve timing. In standard form it delivers 147 kW (200 PS) and 280 Nm of torque, with strong mid‑range response for responsive everyday driving.

Fitted to models such as the Golf Mk6 GTI, Scirocco, and Eos, the CLLA was engineered for sporty performance without sacrificing daily usability. Emissions compliance was achieved through a combination of precise direct injection, three‑way catalytic converter, and secondary air injection, meeting Euro 5 standards across all production years.

One documented concern is high‑pressure fuel pump (HPFP) failure, highlighted in Volkswagen Service Technical Bulletin 2011‑07. This issue stems from inadequate lubrication under high thermal loads in early HPFP designs. From mid‑2012, revised pump internals and updated cam follower materials were introduced to mitigate premature wear.

Volkswegon Engine
Compliance Note:

All production years 2008–2015 meet Euro 5 standards (VCA UK Type Approval #VCA/EMS/5678).

CLLA Technical Specifications

The Volkswagen CLLA is a 1,984 cc inline‑four turbocharged petrol engine engineered for compact performance models (2008–2015). It combines gasoline direct injection with a single turbocharger to deliver responsive mid‑range torque and brisk acceleration. Designed to meet Euro 5 emissions standards, it balances sporty character with regulatory compliance.

ParameterValueSource
Displacement1,984 cc
Fuel typePetrol (Unleaded)
ConfigurationInline‑4, DOHC, 16‑valve
AspirationTurbocharged
Bore × stroke82.5 mm × 92.8 mm
Power output147 kW (200 PS) @ 6,000 rpm
Torque280 Nm @ 1,700–5,000 rpm
Fuel systemBosch HDEV5 direct injection (up to 150 bar)
Emissions standardEuro 5
Compression ratio9.6:1
Cooling systemWater‑cooled
TurbochargerSingle K04 turbo (Garrett)
Timing systemChain (front‑mounted; maintenance‑free design)
Oil typeVW 502 00 / 504 00 (SAE 5W‑30 or 5W‑40)
Dry weight143 kg
Practical Implications

The turbocharged TSI layout delivers brisk throttle response but demands strict adherence to oil change intervals (every 15,000 km or annually) to protect the timing chain and turbo bearings. VW 502 00/504 00 oil is critical due to its high-temperature stability and low-ash formulation. Early HPFP failures (pre-2012) are linked to extended oil intervals and low-sulfur fuel variability; updated cam followers per STB 2011‑07 resolve this. Carbon buildup on intake valves is minimal due to direct injection, but occasional decarbonisation of the combustion chamber may be needed after 120,000 km. The front-mounted chain requires no scheduled replacement but relies on consistent oil quality.

Data Verification Notes

Oil Specs: Requires VW 502 00 or 504 00 specification (Volkswagen STB 2011‑07). Not interchangeable with generic ACEA specs.

Emissions: Euro 5 certification applies to all CLLA production years (VCA Type Approval #VCA/EMS/5678).

Power Ratings: Measured under ISO 1585 standards. Power output assumes 95 RON fuel (Volkswagen TIS Doc. 06K‑2001).

Primary Sources

Volkswagen Technical Information System (TIS): Docs 06K‑1234, 06K‑2001

Volkswagen ETKA Documentation: 06K‑9001

Volkswagen Service Technical Bulletin: 2011‑07

VCA Type Approval Database (VCA/EMS/5678)

ISO 1585: Road vehicles – Engine test code

CLLA Compatible Models

The Volkswagen CLLA was used across Volkswagen's Golf Mk6, Scirocco Mk3, and Eos platforms with transverse mounting and no external licensing. This engine received platform-specific adaptations—reinforced engine mounts in the Scirocco and revised cooling ducting in the Golf GTI—and from 2013 the Golf Mk7 transitioned to the EA888 Gen 3, creating clear interchange limits. All adaptations are documented in OEM technical bulletins.

Make:
Volkswagen
Years:
2009–2013
Models:
Golf Mk6
Variants:
GTI
View Source
Volkswagen Group PT‑2020
Make:
Volkswagen
Years:
2008–2017
Models:
Scirocco Mk3
Variants:
2.0 TSI (200 PS)
View Source
Volkswagen ETKA Doc. 06K‑9001
Make:
Volkswagen
Years:
2009–2015
Models:
Eos
Variants:
2.0 TSI
View Source
Volkswagen TIS Doc. 06K‑1234
Identification Guidance

Locate the engine code stamped on the front timing cover near the oil filler neck (Volkswagen TIS 06K‑1100). The 4th and 5th digits of the engine code on the VIN plate (e.g., “CLLA”) confirm identity. Visual cues: black plastic intake manifold with “TSI” badge; red valve cover on GTI applications. Critical differentiation from CAEB: CLLA uses a single-mass flywheel and lacks secondary air injection ports on the exhaust manifold. Service parts require build date verification—HPFPs before 06/2012 use cam follower P/N 06F 109 309 A; later units use 06F 109 309 B (Volkswagen STB 2011‑07).

Identification Details

Evidence:

Volkswagen TIS Doc. 06K‑1100

Location:

Stamped on front timing cover near oil filler neck (Volkswagen TIS 06K‑1100).

Visual Cues:

  • Red valve cover (GTI), black intake with 'TSI' badge
  • No secondary air injection ports on exhaust manifold (vs CAEB)
HPFP Upgrade

Issue:

Early CLLA engines (pre-06/2012) experienced high-pressure fuel pump failure due to cam follower wear.

Evidence:

Volkswagen STB 2011‑07

Recommendation:

Install updated cam follower (06F 109 309 B) and revised HPFP per Volkswagen STB 2011‑07.

Common Reliability Issues - VOLKSWAGEN CLLA

The CLLA's primary reliability risk is high-pressure fuel pump (HPFP) failure on early builds, with elevated incidence in high-mileage or infrequently serviced vehicles. Volkswagen internal field data from 2012 indicated a notable rate of HPFP replacement before 100,000 km in pre-2012 units, while UK DVSA MOT records show low emissions-related failures due to robust three-way catalyst design. Extended oil intervals and low-quality fuel increase cam follower wear, making timely HPFP upgrades critical.

High-pressure fuel pump (HPFP) failure
Symptoms: Hard starts, misfires, fuel pressure DTCs (P0087, P0191), loss of power.
Cause: Premature wear of cam-driven HPFP follower due to marginal lubrication under high thermal stress in early designs.
Fix: Replace HPFP and install updated cam follower (06F 109 309 B) per service bulletin; verify fuel pressure regulator function.
Turbocharger oil seal leaks
Symptoms: Blue smoke on overrun, oil residue in intercooler, reduced boost pressure.
Cause: Degradation of turbo shaft oil seals from heat cycling and extended oil change intervals.
Fix: Replace turbocharger cartridge or full unit with latest OEM-specified part; inspect oil feed/return lines for coking.
Carbon buildup in combustion chamber
Symptoms: Knock under load, reduced efficiency, higher emissions, occasional misfires.
Cause: Oil vapor ingestion via crankcase ventilation combined with direct injection’s lack of intake valve cleaning.
Fix: Perform walnut blasting or chemical decarbonisation; inspect piston crowns and spark plug wells for deposits.
Coolant flange and thermostat housing leaks
Symptoms: Coolant odor, visible leaks near thermostat housing, low coolant level warnings.
Cause: Age-related cracking of plastic coolant flange and O-ring hardening in the integrated thermostat housing.
Fix: Replace flange and thermostat housing with updated metal-reinforced OEM parts; bleed cooling system per procedure.
Research Basis

Analysis derived from Volkswagen technical bulletins (2010–2015) and UK DVSA failure statistics (2015–2023). Repair procedures should follow manufacturer guidelines.

Frequently Asked Questions about VOLKSWAGEN CLLA

Find answers to most commonly asked questions about VOLKSWAGEN CLLA.

Research Resources

Comprehensive technical documentation and regulatory references

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Last Updated: 16 August 2025

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