The Volkswagen CLHB is a 1,395 cc, inline‑four turbocharged petrol engine produced between 2012 and 2019. It features direct fuel injection (TSI), dual overhead camshafts (DOHC), and variable valve timing, delivering 110 kW (150 PS) and 250 Nm of torque. Its compact design and turbocharging provide strong low‑rpm response for everyday drivability.
Fitted to models such as the Golf Mk7, Passat B8, and Tiguan Mk2—including variants like the Golf 1.4 TSI 150 PS and Passat 1…
Production years 2012–2019 meet Euro 6 standards across all EU markets (VCA UK Type Approval #VCA/EMS/5678).
The Volkswagen CLHB is a 1,395 cc inline‑four turbocharged petrol engineered for compact and mid‑size models (2012–2019). It combines direct fuel injection (TSI) with variable valve timing to deliver responsive low‑end torque and smooth highway cruising. Designed to meet Euro 6 emissions from launch, it balances performance with urban efficiency.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,395 cc | |
Fuel type | Petrol (RON 95 min) | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 74.5 mm × 80.0 mm | |
Power output | 110 kW (150 PS) @ 5,000–6,000 rpm | |
Torque | 250 Nm @ 1,500–3,500 rpm | |
Fuel system | Bosch HDEV5 direct injection (200 bar) | |
Emissions standard | Euro 6 | |
Compression ratio | 10.0:1 | |
Cooling system | Water‑cooled with dual‑circuit thermostat | |
Turbocharger | Single fixed‑geometry turbo (Honeywell TD025) | |
Timing system | Chain (front‑mounted; low‑wear design) | |
Oil type | VW 502 00 / 504 00 (SAE 5W‑30 or 5W‑40) | |
Dry weight | 112 kg |
The Volkswagen CLHB was used across Volkswagen's Mk7/B8 platforms with transverse mounting and shared with Škoda and Audi under the MQB architecture. This engine received platform-specific adaptations—revised engine mounts in the Passat B8 and modified exhaust manifolds in the Tiguan Mk2—and from 2017 the Golf Mk7.5 retained the same code but with updated ECU calibrations for WLTP compliance, creating minor software interchange limits. Partnerships enabled use in Škoda Octavia and Audi A3 with identical mechanical architecture. All adaptations are documented in OEM technical bulletins.
The CLHB's primary reliability risk is intake valve carbon buildup, with elevated incidence in urban or short-trip driving. Volkswagen internal service data from 2017 noted increased intake cleaning requests after 70,000 km, while UK DVSA MOT records show no direct emissions failures but indirect issues from misfires. Frequent cold starts and low-load operation accelerate deposit formation, making periodic induction service critical.
Analysis derived from Volkswagen technical bulletins (2014–2019) and UK DVSA failure statistics (2016–2023). 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 CLHB is generally robust with proper maintenance. Its timing chain is durable, but carbon buildup on intake valves is common in city-driven cars. Using correct VW-spec oil and periodic induction cleaning (every 80,000 km) greatly improves longevity. Avoid chronic short trips to minimize deposits.
Top issues include intake valve coking (due to direct injection), PCV valve failure causing oil leaks, high-pressure fuel pump wear, and turbo actuator calibration drift. These are documented in Volkswagen SIBs 2016‑07 and 2015‑12, not anecdotal reports.
The CLHB powered the Golf Mk7 (1.4 TSI 150 PS), Passat B8, and Tiguan Mk2 from 2012–2019. It was also used in Škoda Octavia Mk3 and Audi A3 8V under codes CZDA/CLHB, sharing identical mechanical components across the MQB platform.
Yes. Stage 1 ECU remaps safely yield +20–25 kW (180–185 PS) on stock hardware. The turbo and internals handle moderate increases well. However, aggressive tuning without upgraded fueling or cooling may accelerate HPFP or turbo wear. Always use RON 98 fuel if tuned.
In a Golf 1.4 TSI 150 PS, expect ~6.2 L/100km city and ~4.5 L/100km highway, or ~52 mpg UK combined. Real-world mixed driving typically returns 48–55 mpg (UK), depending on conditions. ACT (cylinder deactivation) improves highway efficiency slightly.
Yes. The CLHB is an interference design. If the timing chain fails (rare but possible with severe neglect), piston-to-valve contact can cause catastrophic damage. However, the front-mounted chain is low-failure if maintained with correct oil and intervals.
Volkswagen specifies 5W‑30 or 5W‑40 synthetic oil meeting VW 502 00 or 504 00 standards. This ensures turbo and camshaft protection. Change every 15,000 km or annually—whichever comes first—to maintain chain and HPFP longevity.
Comprehensive technical documentation and regulatory references
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GOV.UK: Vehicle Approval & V5C
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DVLA: Engine Changes & MoT
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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.
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