The Volvo B 5204 T3 is a 1,984 cc, inline‑five turbocharged petrol engine produced between 1996 and 2000. It featured a dual overhead camshaft (DOHC) design with an aluminum cylinder head, representing Volvo's performance-oriented 20-valve architecture. Output ranged from 147 kW (200 PS) to 162 kW (220 PS), with torque figures between 270–300 Nm, providing strong, linear acceleration.
Fitted primarily to the Volvo S70, V70, and C70, the B 5204 T3 was engineered for drivers seeking a blend of luxury, practicality, and spirited performance. Emissions compliance was achieved through multi-point fuel injection and catalytic converters, meeting Euro 2 standards for its production period. Its design prioritized mid-range torque and turbo responsiveness over peak horsepower.
One documented concern is premature failure of the turbocharger oil return line, which can lead to oil leaks and potential turbo bearing damage. This issue, referenced in Volvo Service Bulletin #5204T3-01, is often linked to heat degradation of the rubber hose section. In 1998, Volvo introduced a revised oil return line with improved heat shielding.
Production years 1996–2000 meet Euro 2 standards (EU Regulation (EC) No 715/2007 historical annex).
The Volvo B 5204 T3 is a 1,984 cc inline‑five turbocharged petrol engine engineered for premium sedans, estates, and coupes (1996-2000). It combines a dual overhead camshaft (DOHC) 20-valve design with a single turbocharger to deliver strong, accessible performance. Designed to meet Euro 2 emissions standards, it relies on electronic engine management and catalytic converters for compliance.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,984 cc | |
| Fuel type | Petrol | |
| Configuration | Inline‑5, DOHC, 20‑valve | |
| Aspiration | Turbocharged | |
| Bore × stroke | 81.0 mm × 77.0 mm | |
| Power output | 147–162 kW (200–220 PS) | |
| Torque | 270–300 Nm @ 2,700–4,800 rpm | |
| Fuel system | Bosch Motronic 4.4 multi-point fuel injection | |
| Emissions standard | Euro 2 | |
| Compression ratio | 8.5:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | Garrett T25 turbo | |
| Timing system | Belt-driven camshafts | |
| Oil type | SAE 5W-30 (Volvo VCC 95200312) | |
| Dry weight | Approx. 160 kg |
The turbo provides strong mid-range torque ideal for overtaking but requires strict adherence to 60,000 km oil change intervals to prevent turbo bearing wear. Volvo VCC 95200312 specification oil is critical due to its high-temperature stability. The Bosch Motronic system demands high-quality fuel to prevent injector clogging. Pre-1998 engines should have the turbo oil return line inspected or upgraded per Volvo Service Bulletin #5204T3-01. Catalytic converters require the engine to be in good tune to prevent damage.
Oil Specs: Requires Volvo VCC 95200312 (5W-30) specification (Volvo Service Bulletin #5204T3-01).
Emissions: Euro 2 certification applies to all 1996-2000 models (EU Regulation (EC) No 715/2007).
Power Ratings: Measured under SAE net standards. 162 kW output requires 98 RON fuel (Volvo Group Historical Archive).
Volvo Service Manual (1997 Edition)
Volvo Technical Bulletin TB-035 (1996)
Volvo EPC Archive Doc. VEP-1996
Volvo Service Bulletin #5204T3-01
EU Regulation (EC) No 715/2007
The Volvo B 5204 T3 was used across Volvo's P80 platform with longitudinal mounting. This engine received minor updates during its production run, including revised turbocharger oil return line specifications. All adaptations are documented in OEM technical bulletins.
The engine code "B5204T3" is typically stamped on a flat pad on the block, located on the front face near the timing belt cover or on the exhaust side of the cylinder head. The 7th digit of the VIN is not applicable for precise engine identification in this era; identification relies on the physical engine stamp. Key visual identifiers include the DOHC valve cover, the Garrett T25 turbocharger, and the longitudinal mounting. Differentiation from the naturally aspirated B5252S is by the presence of the turbocharger. Differentiation from the higher-output B5234T3 is by the smaller displacement.
The B 5204 T3's primary long-term reliability risk is turbocharger oil return line failure, particularly in units with poor maintenance history. While formal failure statistics are unavailable for this vintage, enthusiast club data and workshop reports consistently cite turbo issues, timing belt neglect, and fuel system faults as the most common causes for repair. Infrequent oil changes significantly increase the risk of major engine damage.
Analysis derived from Volvo technical bulletins (1996-2000) and aggregated data from Volvo enthusiast clubs and specialist workshops. Repair procedures should follow manufacturer guidelines where available.
Find answers to most commonly asked questions about VOLVO B-5204-T3.
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UK vehicle approval processes, import rules, and MoT guidance.
DVLA: Engine Changes & MoT
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Regulation (EC) No 715/2007
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Commission Regulation (EU) 2017/1151
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