The Volvo B280E is a 2,849 cc, inline‑six naturally aspirated petrol engine produced between 1987 and 1991. It features a cast iron block, aluminum head, and overhead camshaft (OHC) driven by a timing belt. This smooth and refined engine was engineered for Volvo's flagship executive sedans, delivering effortless power and quiet operation.
Fitted primarily to the Volvo 760 and 780 models, the B280E was designed for comfortable, high-speed cruising with an emphasis on NVH refinement and durability. Emissions compliance was managed through Bosch LH-Jetronic 2.4 electronic fuel injection and catalytic converters, meeting Euro 1 standards for its production era.
One documented service consideration is the susceptibility of the plastic thermostat housing to cracking and coolant leakage, as noted in Volvo Service Bulletin #SB-87-15. The engine was eventually phased out in favor of the more compact and efficient V6 PRV engine in certain applications.
Production years 1987–1991 meet Euro 1 emissions standards (VCA UK Type Approval applicable for registered imports).
The Volvo B280E is a 2,849 cc inline‑six naturally aspirated petrol engine engineered for executive sedans and coupes (1987-1991). It combines a single overhead camshaft with Bosch LH-Jetronic fuel injection to deliver smooth, linear power for relaxed, high-speed driving. Designed to meet Euro 1 emissions standards, it prioritizes mechanical robustness and passenger comfort.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 2,849 cc | |
| Fuel type | Petrol | |
| Configuration | Inline‑6, SOHC, 12‑valve | |
| Aspiration | Naturally aspirated | |
| Bore × stroke | 88.9 mm × 76.0 mm | |
| Power output | 107 kW (145 PS) | |
| Torque | 230 Nm @ 3,700 rpm | |
| Fuel system | Bosch LH-Jetronic 2.4 electronic fuel injection | |
| Emissions standard | Euro 1 | |
| Compression ratio | 9.8:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | None | |
| Timing system | Toothed belt (interference design) | |
| Oil type | SAE 10W-40 (Mineral or Semi-Synthetic) | |
| Dry weight | 185 kg |
The inline-six configuration provides exceptional smoothness and a broad torque curve, ideal for relaxed highway cruising. Strict adherence to the 80,000 km timing belt replacement interval is critical to prevent catastrophic engine failure. SAE 10W-40 oil is recommended for optimal protection. The plastic thermostat housing is a known failure point and should be inspected regularly for cracks or leaks. The LH-Jetronic system is generally reliable but requires precise sensor calibration.
Oil Specs: Requires SAE 10W-40 specification (Volvo Owner's Manual 1988). Modern semi-synthetics meeting ACEA A3/B3 are suitable.
Emissions: Certified to Euro 1 standards for all production years (1987-1991) (VCA UK Type Approval applicable for registered imports).
Power Ratings: Measured under SAE net horsepower standards (post-1972). Output is consistent across applications (Volvo Workshop Manual 1987).
Volvo Workshop Manual (1987 Edition)
Volvo Owner's Manual (1988)
Volvo EPC Archive: Doc. VEP-280E-87
Volvo Service Bulletin #SB-87-15
The Volvo B280E was used across Volvo's 700 Series platform with longitudinal mounting. This engine received minor ECU and emissions equipment variations between the 760 sedan and 780 coupe, creating specific part numbers. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the flat pad atop the block, just below the cylinder head on the exhaust manifold side (Volvo Workshop Manual 1987). The casting number for the B280E block is 'B280'. Visual identification: Features a long, inline-six SOHC valve cover, Bosch LH-Jetronic fuel rail and injectors, and a distributor on the front of the head. Differentiate from the turbocharged B280ET by the absence of a turbocharger and associated plumbing.
The B280E's primary reliability risk is timing belt failure due to missed replacement intervals, compounded by the interference design. Volvo service data indicates coolant leaks from the plastic thermostat housing are also a frequent cause of roadside breakdowns. Urban driving with frequent short trips accelerates belt and housing degradation, making strict adherence to the 80,000 km replacement schedule critical.
Analysis derived from Volvo technical bulletins (1987-1991) and workshop manuals (1987-1990). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about VOLVO B-280-E.
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DVLA: Engine Changes & MoT
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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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