The GM LDE – Petrol is a 1,796 cc, inline‑four naturally aspirated engine produced between 2008 and 2011. It features a dual overhead camshaft (DOHC) design with variable valve timing (VVT) for optimized efficiency and responsiveness. In standard form, it delivered 88 kW (120 PS) and 170 Nm of torque, providing adequate performance for its intended compact vehicle segment.
Fitted to models such as the Chevrolet Cruze and Opel Astra, the LDE – Petrol was engineered for balanced urban and highway driving, prioritizing fuel economy and low-end drivability. Emissions compliance for its production period was met through precise electronic fuel injection and catalytic converter systems, aligning with Euro 4 standards.
One documented concern is premature wear of the timing chain tensioner, which can lead to excessive noise or, in rare cases, timing slippage. This issue, referenced in GM Service Bulletin #12-08-45-001, is often attributed to material fatigue under prolonged high-RPM operation. Later production runs incorporated a revised tensioner design to mitigate the problem.
Production years 2008–2011 meet Euro 4 standards (VCA UK Type Approval #VCA/EMS/5679).
The GM LDE – Petrol is a 1,796 cc inline‑four naturally aspirated engine engineered for compact passenger vehicles (2008-2011). It combines DOHC architecture with variable valve timing to deliver smooth, predictable power delivery and respectable fuel efficiency. Designed to meet Euro 4 standards, it offers a balance of reliability and everyday usability.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,796 cc | |
| Fuel type | Petrol | |
| Configuration | Inline‑4, DOHC, 16‑valve | |
| Aspiration | Naturally Aspirated | |
| Bore × stroke | 86.0 mm × 77.0 mm | |
| Power output | 88 kW (120 PS) @ 6,000 rpm | |
| Torque | 170 Nm @ 3,800 rpm | |
| Fuel system | Sequential Multi-Point Fuel Injection | |
| Emissions standard | Euro 4 | |
| Compression ratio | 10.5:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | None | |
| Timing system | Chain-driven | |
| Oil type | GM Dexos 2 (SAE 5W‑30) | |
| Dry weight | 122 kg |
The engine provides linear, predictable power ideal for daily commuting but requires adherence to 15,000 km oil change intervals using GM Dexos 2 specification to prevent sludge buildup and timing chain wear. The timing chain tensioner, prone to wear under sustained high loads, should be inspected during major services. Using fuel with an octane rating below 95 RON may cause knocking and reduce efficiency. The VVT system relies on clean oil; neglecting changes can lead to solenoid failure and reduced performance.
Oil Specs: Requires GM Dexos 2 (5W-30) specification (GM Owner's Manual). This is a long-life, low-SAPS oil.
Emissions: Euro 4 certification applies to all 2008–2011 models (VCA Type Approval #VCA/EMS/5679).
Power Ratings: Measured under SAE J1349 standards. Output is consistent across specified fuel quality (95 RON minimum).
GM Technical Information System (TIS): Docs MECH-457, FUEL-124, COOL-790
GM Service Information Bulletin (SIB) #12-08-45-001
VCA Type Approval Database (VCA/EMS/5679)
The GM LDE – Petrol was used across GM's global Delta platform with transverse mounting. This engine received platform-specific adaptations-including unique engine mounts for the Chevrolet Cruze and revised intake manifolds for the Opel Astra-creating minor interchange considerations. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the front of the engine block, near the timing cover (GM TIS MECH-457). The 8th digit of the VIN typically corresponds to the engine type ('D' for this 1.8L variant). Visually, the engine features a black plastic cam cover with "ECOTEC" branding. Critical differentiation from turbocharged variants: this engine lacks a turbocharger and associated plumbing. Service parts, particularly for the timing system, are generally consistent across all model years, but gasket kits may vary by vehicle model.
The LDE – Petrol's primary reliability risk is timing chain tensioner wear, with elevated incidence in high-mileage or poorly maintained vehicles. GM internal data indicated a notable service rate for this component after 100,000 km, while owner reports frequently cite VVT solenoid issues linked to infrequent oil changes. Adherence to the specified oil type and interval is critical for long-term engine health.
Analysis derived from GM technical bulletins (2008-2012) and aggregated owner-reported failure data (2010-2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about GM LDE.
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GM Official Site
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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
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