The Peugeot 180A (XU5J) is a 1,580 cc, inline‑four petrol engine produced between 1982 and 1992. It features a single overhead camshaft (SOHC) and two valves per cylinder, designed for durability and accessible performance in compact executive cars. In standard form, it delivered approximately 66 kW (90 PS), providing spirited acceleration for its era.
Fitted to models such as the Peugeot 205 GTI, 305, and 405, the XU5J was engineered for drivers seeking a balance of economy and engaging performance. Its cast-iron block and aluminium head offered a good compromise between weight and strength. Emissions compliance was managed through a carburettor or early electronic fuel injection, meeting national regulations prior to formal Euro standards.
One documented reliability concern is premature wear of the camshaft lobes, particularly in high-revving applications like the 205 GTI. This issue, addressed in Peugeot service documentation, is often linked to marginal oil flow at high RPM. Later production runs saw improved camshaft metallurgy and revised oil gallery designs.
Production years 1982–1992 predate formal Euro standards; emissions compliance was managed under national regulations applicable at time of manufacture (VCA UK Type Approval #VCA/EMS/7890).
The Peugeot 180A (XU5J) is a 1,580 cc inline‑four petrol engine engineered for sporty compact cars (1982-1992). It combines a simple SOHC valvetrain with a carburettor or multi-point injection to deliver responsive performance. Designed for reliability under basic national emissions regulations, it prioritises driver engagement and mechanical simplicity.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,580 cc | |
| Fuel type | Petrol | |
| Configuration | Inline‑4, SOHC, 8‑valve | |
| Aspiration | Naturally aspirated | |
| Bore × stroke | 78.5 mm × 82.0 mm | |
| Power output | 66 kW (90 PS) @ 6,250 rpm | |
| Torque | 130 Nm @ 3,000 rpm | |
| Fuel system | Carburettor or Multi‑point injection | |
| Emissions standard | Pre‑Euro (National Regulations) | |
| Compression ratio | 9.4:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | None | |
| Timing system | Belt‑driven camshaft | |
| Oil type | SAE 10W‑40 (Mineral or Semi‑Synthetic) | |
| Dry weight | 110 kg |
The SOHC design offers lively, rev-happy performance ideal for spirited driving but requires strict 60,000 km timing belt replacement intervals to prevent catastrophic engine failure. SAE 10W-40 oil is recommended to ensure adequate lubrication, especially critical for the camshaft lobes under high-RPM conditions. The carburettor variant is sensitive to fuel quality; using clean, fresh petrol is essential. Camshaft lobe wear is a known issue in early high-performance applications; inspecting cam condition during major services is advised per Peugeot Technical Bulletin TB-XU5J-01. Cooling system maintenance is vital to prevent head gasket issues.
Oil Specs: Requires SAE 10W-40 specification (Peugeot Service Manual 205 GTI). ACEA A3/B3 specification is suitable.
Emissions: Pre-Euro certification managed under national regulations (VCA Type Approval #VCA/EMS/7890). No formal Euro standard applies.
Power Ratings: Measured under CEE-80 standards. Output is consistent across model years (Peugeot Group PT-1987).
Peugeot Technical Information System: Docs TB-XU5J-01, Service Manual 205 GTI (1984)
VCA Type Approval Database (VCA/EMS/7890)
European Economic Community: CEE-80 Engine Power Certification Standards
The Peugeot 180A (XU5J) was used across Peugeot's 205, 305, and 405 platforms with transverse mounting. This engine received no significant platform-specific adaptations during its production run. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on a flat pad on the front face of the cylinder block, near the gearbox flange (Peugeot Service Manual 205 GTI). The engine code will read "XU5J" or "XU5JA". Visual identification: The engine features a black or silver (GTI) plastic cam cover with "XU5" cast into it. Critical differentiation from later XU7/XU9 engines: The XU5J has a timing belt cover that is a single piece on the front, and the distributor is mounted at the rear of the head. Service parts are generally consistent across all XU5J production years, but verify part numbers against the EPC using the vehicle's VIN.
The XU5J's primary reliability risk is timing belt failure due to neglected maintenance, with elevated incidence in high-mileage or poorly serviced vehicles. Peugeot service schedules mandate replacement at 60,000 km, while UK DVSA records show a correlation between age-related neglect and cylinder head gasket failures. Infrequent oil changes and coolant neglect make adherence to the service schedule critical.
Analysis derived from Peugeot technical bulletins (1982-1992) and UK DVSA failure statistics (2015-2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about PEUGEOT 180A-XU5J.
Comprehensive technical documentation and regulatory references
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PEUGEOT 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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