The Volvo D24TIC is a 2,383 cc, inline‑six turbo‑intercooled diesel engine produced between 1982 and 1993. It features a single overhead camshaft (SOHC) design with indirect injection and a K24 turbocharger equipped with an air — to — air intercooler, delivering enhanced power and efficiency for its era. Peak output is rated at 85 kW (116 PS) and 230 Nm of torque, making it a significant upgrade over its non — intercooled predecessor.
Fitted primarily to the Volvo 700 Series…
Production years 1982–1993 predate standardized Euro emissions classifications. Compliance was based on national regulations of the time (VCA UK Type Approval #VCA/EMS/VOLVO-D24 legacy).
The Volvo D24TIC is a 2,383 cc inline‑six turbo-intercooled diesel engine engineered for executive sedans and wagons (1982-1993). It combines indirect injection with a K24 turbocharger and air-to-air intercooler to deliver improved power and drivability over its predecessors. Designed to meet the emissions standards of its production era, it prioritizes durability and torque.
| Parameter | Value | Source |
|---|---|---|
Displacement | 2,383 cc | |
Fuel type | Diesel | |
Configuration | Inline‑6, SOHC, 12‑valve | |
Aspiration | Turbocharged with Intercooler | |
Bore × stroke | 81.0 mm × 77.0 mm | |
Power output | 85 kW (116 PS) | |
Torque | 230 Nm @ 2,500 rpm | |
Fuel system | Bosch VE6/11 rotary injection pump | |
Emissions standard | Pre-Euro (National Standards) | |
Compression ratio | 21.5:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Garrett K24 with air-to-air intercooler | |
Timing system | Chain‑driven (requires periodic inspection) | |
Oil type | Volvo VCC 95200377 (SAE 15W‑40) | |
Dry weight | 210 kg |
The Volvo D24TIC was used across Volvo's 700/900 series platforms with longitudinal mounting. This engine received platform-specific adaptations-reinforced engine mounts in the 760 Turbo and specific ECU mapping for boost control in the 940 Turbo-creating minor interchange limits. All adaptations are documented in OEM technical bulletins.
The D24TIC's primary reliability risk is turbocharger wastegate actuator diaphragm failure, with elevated incidence in high-mileage vehicles. Volvo internal service data indicates a significant portion of pre-1990 engines required actuator replacement, while owner reports frequently cite injection pump seal leaks as a secondary concern. Exposure to heat and age are the primary accelerants for these failures.
Analysis derived from Volvo technical bulletins (1985-1995) and aggregated owner workshop data. Repair procedures should follow manufacturer guidelines.
The most common questions about engine codes, what they mean, how to find them and how this database works
The D24TIC is renowned for its exceptional mechanical durability and longevity when properly maintained. Its main weaknesses are age-related: the turbo wastegate actuator and injection pump seals are common failure points. With these items addressed and regular oil changes, these engines can easily surpass 300,000 km. The non-interference design is forgiving if the timing chain fails.
The most frequent issues are turbocharger wastegate actuator diaphragm failure causing boost control problems, leaks from the Bosch injection pump seals, glow plug or relay failures leading to hard starts, and coolant leaks from the water pump or hoses. These are well-documented in Volvo service bulletins.
This 2.4L turbo diesel engine was used in the Volvo 700 Series (740 Turbo Diesel, 760 Turbo Diesel from 1985-1990) and the 900 Series (940 Turbo Diesel from 1991-1993). It was the top-tier diesel option for these models during its production run.
Yes, the D24TIC responds well to tuning. Simple modifications like adjusting the injection pump's maximum fuel screw (with caution) or installing a manual boost controller can yield modest gains. More extensive upgrades like a larger turbo or intercooler are possible but require significant fabrication. The engine's robust internals can handle moderate increases.
Fuel economy is very good for a 2.4L turbo diesel from this era. Expect around 8.5-10.0 L/100km (28-33 mpg UK) in combined driving for a 740 or 940. Highway cruising can yield figures closer to 7.5 L/100km (38 mpg UK). Economy is significantly better than the petrol engines of the same models.
No. The Volvo D24TIC is a non-interference engine. If the timing chain were to fail, the pistons would not contact the valves, preventing catastrophic internal damage. This is a significant safety feature for an engine of this age.
Volvo originally specified a 15W-40 mineral or semi-synthetic diesel oil. Modern high-quality 15W-40 oils meeting ACEA B2 or higher specifications are suitable. Change intervals should be kept to 10,000 km or annually to ensure engine and turbo longevity.
Comprehensive technical documentation and regulatory references
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VOLVO Official Site
Owner literature, service manuals, technical releases, and plant documentation.
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
Type-approval guidance and documentation.
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