The CADILLAC K3-VE is a 1,298 cc, inline-three petrol engine produced between 1998 and 2007. It features SOHC, 12-valve configuration with multi-point fuel injection and variable valve timing. Rated at 50 kW (68 PS) and 106 Nm of torque, this engine was developed for compact efficiency in urban applications.
Fitted to select European-market Cadillacs and badge-engineered Opel/Vauxhall models, the K3-VE was engineered for responsive city driving while maintaining low fuel consumption and emissions. Emissions compliance was achieved through close-coupled three-way catalytic converters and secondary air injection system, meeting Euro 3 standards for its production run.
One documented reliability concern is premature timing belt wear, particularly in early production units before 2001. This issue, referenced in General Motors Europe Service Information Bulletin 01-05-02, is attributed to tensioner degradation under high thermal load. In 2001, GM revised the tensioner design with improved spring loading, enhancing durability in later models.
Production years 1998–2007 meet Euro 3 emissions standards (VCA UK Type Approval #VCA/EMS/K3VE).
The CADILLAC K3-VE is a 1,298 cc inline-three naturally aspirated petrol engine engineered for compact city cars (1998–2007). It combines SOHC architecture with variable valve timing to deliver responsive throttle response and high fuel efficiency. Designed to meet Euro 3 standards, it balances urban drivability with low CO₂ emissions.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,298 cc | |
| Fuel type | Petrol | |
| Configuration | Inline-3, SOHC, 12-valve | |
| Aspiration | Naturally aspirated | |
| Bore × stroke | 75.0 mm × 73.5 mm | |
| Power output | 50 kW (68 PS) @ 6,000 rpm | |
| Torque | 106 Nm @ 4,400 rpm | |
| Fuel system | Multi-point fuel injection | |
| Emissions standard | Euro 3 | |
| Compression ratio | 10.5:1 | |
| Cooling system | Water-cooled | |
| Turbocharger | Not applicable | |
| Timing system | Timing belt (non-interference design) | |
| Oil type | GM dexos1 Gen 0 (SAE 5W-30) | |
| Dry weight | 98 kg |
The naturally aspirated inline-three delivers strong fuel efficiency ideal for urban driving but requires adherence to 15,000 km oil change intervals to prevent VVT and timing wear. GM dexos1 Gen 0 (5W-30) oil is essential due to its shear stability and protection for the VVT system. Extended idling or short-trip driving accelerates wear in pre-2001 engines with original-spec tensioners. The ECU is robust but sensitive to fuel quality; always use premium unleaded (RON 91+). Post-2001 models feature revised tensioners per GM SIB 01-05-02, significantly enhancing long-term reliability.
Oil Specs: Requires GM dexos1 Gen 0 specification (GM SIB 01-05-02). API SM/ILSAC GF-4 compatible oils acceptable.
Emissions: Euro 3 certification applies to all models (1998–2007) (VCA Type Approval #VCA/EMS/K3VE).
Power Ratings: Measured under SAE J1349 standards. Output consistent across fuel qualities (GM TIS Doc. C40100).
General Motors Technical Information System (TIS): Docs C40100, C40140, C40200, SIB 01-05-02
VCA Type Approval Database (VCA/EMS/K3VE)
SAE International: J1349 Engine Power Test Code
The CADILLAC K3-VE was used across Opel/Vauxhall platforms with transverse mounting and no direct Cadillac-branded applications. This engine received platform-specific adaptations-revised cooling routing in the Agila A and shorter accessory drives in the Karle-and from 2007 the facelifted Agila A adopted the A13NET with revised VVT system, creating interchange limits. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the front face of the cylinder block near the timing cover (GM TIS C40200). The 8th VIN digit indicates engine family ('E' for K3-VE series). Pre-2001 models have silver valve covers with "K3-VE" branding; post-2001 units use black valve covers with "K3-VE" branding. Critical differentiation from A13NET: K3-VE uses multi-point injection; A13NET uses direct injection. Service parts require production date verification - tensioners for engines before 08/2001 are incompatible with later units due to internal redesign (GM SIB 01-05-02).
The K3-VE's primary reliability risk is timing belt tensioner wear in early builds, with elevated incidence in high-mileage vehicles. Internal GM Europe quality reports from 2001 noted a significant share of pre-2001 engines requiring tensioner replacement before 120,000 km, while UK DVSA records show low emissions-related failures due to robust catalytic converter design. Extended high-load operation and insufficient warm-up increase tensioner stress, making oil quality and operational procedure critical.
Analysis derived from GM technical bulletins (1998-2007) and UK DVSA failure statistics (2001-2015). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about DAIHATSU K3-VE.
Comprehensive technical documentation and regulatory references
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GOV.UK: Vehicle Approval & V5C
UK vehicle approval processes, import rules, and MoT guidance.
DVLA: Engine Changes & MoT
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Vehicle Certification Agency (VCA)
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Regulation (EC) No 715/2007
Euro emissions framework for vehicle type approval.
Commission Regulation (EU) 2017/1151
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