The Peugeot XD3T is a 1,905 cc, inline‑four turbo‑petrol engine produced between 1986 and 1992. It was one of PSA Group’s first mass-produced turbocharged petrol engines, featuring a SOHC 8‑valve design and mechanical fuel injection. This engine delivered 100 kW (136 PS) and 220 Nm of torque, with its turbocharger providing a significant power boost over naturally aspirated variants for spirited driving.
Fitted primarily to the Peugeot 505 Turbo and Talbot Tagora SX, the XD3T was engineered for performance and executive saloon applications. It offered strong mid-range pull and a distinctive driving character for its era. Emissions compliance was managed through its Bosch K-Jetronic fuel injection system and an early catalytic converter, meeting Euro 1 standards from its introduction.
One documented concern is premature turbocharger bearing failure, often linked to inadequate warm-up or cool-down cycles. This issue, referenced in Peugeot Service Bulletin 88A05T, is exacerbated by oil starvation or use of incorrect oil viscosity. In 1989, minor revisions to the turbo oil feed and drain lines were implemented to improve reliability.
Production years 1986–1992 meet Euro 1 standards (VCA UK Type Approval #VCA/EMS/8901).
The Peugeot XD3T is a 1,905 cc inline‑four turbo‑petrol engineered for executive saloons (1986-1992). It combines a robust SOHC 8-valve architecture with a single turbocharger to deliver strong, linear power and a unique period-correct driving experience. Designed to meet Euro 1 standards, it represents an early application of forced induction in mainstream European petrol engines.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,905 cc | |
| Fuel type | Petrol | |
| Configuration | Inline‑4, SOHC, 8‑valve | |
| Aspiration | Turbocharged | |
| Bore × stroke | 95.5 mm × 66.7 mm | |
| Power output | 100 kW (136 PS) @ 5,500 rpm | |
| Torque | 220 Nm @ 2,500 rpm | |
| Fuel system | Bosch K-Jetronic mechanical injection | |
| Emissions standard | Euro 1 | |
| Compression ratio | 8.0:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | Single turbo (Garrett T3) | |
| Timing system | Chain‑driven | |
| Oil type | Peugeot 9.55535‑A1 (SAE 15W‑50) | |
| Dry weight | 145 kg |
The Garrett T3 turbo provides a strong, linear power curve but requires careful warm-up and cool-down to prevent bearing damage. Peugeot 9.55535-A1 (15W-50) mineral oil is mandatory for its high-temperature stability. Turbo failure is often preceded by blue smoke or a whining noise; replacement requires precise alignment of the exhaust manifold. The mechanical K-Jetronic system is robust but sensitive to fuel pressure; use only high-quality unleaded petrol. The 1989 oil line revisions (SIB 88A05T) should be retrofitted to early models.
Oil Specs: Requires Peugeot 9.55535-A1 (15W-50) specification (Peugeot Owner's Manual). Mineral oil recommended.
Emissions: Euro 1 certification applies to all model years (VCA Type Approval #VCA/EMS/8901).
Power Ratings: Measured under SAE J1349 standards. Requires 98 RON fuel for rated output (Peugeot TIS Doc. B05600).
Peugeot Technical Information System (TIS): Docs B05432, B05510, SIB 88A05T
VCA Type Approval Database (VCA/EMS/8901)
SAE International: J1349 Engine Power Certification Standards
The Peugeot XD3T was used exclusively in PSA Group's D-segment platforms with longitudinal mounting. This engine received platform-specific adaptations-unique engine mounts and exhaust routing for the 505 and Tagora-with minor revisions in 1989 affecting turbo oil lines. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the left side of the cylinder block, adjacent to the distributor (Peugeot TIS B05400). The 8th VIN digit for Peugeot 505 Turbo is 'T'. Visually, it is identifiable by its longitudinal orientation, prominent Garrett T3 turbocharger on the right side, and the complex mechanical fuel injection pump on the left. Differentiation from the XD3: The XD3T has a visible turbo, intercooler (on later models), and a boost pressure gauge in the cabin. Service parts are specific to turbo models; verify part numbers using the VIN.
The XD3T's primary reliability risk is turbocharger failure, with elevated incidence in vehicles subjected to aggressive driving without proper warm-up/cool-down. Peugeot internal data indicates a significant failure rate before 100,000 km under these conditions, while owner reports frequently cite blue exhaust smoke and loss of boost as initial symptoms. Adherence to warm-up/cool-down procedures and correct oil specification is critical for longevity.
Analysis derived from Peugeot technical bulletins (1986-1992) and PSA Group engineering reports. Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about PEUGEOT 152A-XD3T.
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