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 (740, 760, 780) and the 900 Series (940, 960) in its later production years, the D24TIC was engineered for durable, long-distance touring with improved throttle response. Emissions compliance for most markets was achieved through mechanical injection pump calibration and exhaust after-treatment, meeting prevailing standards of the time, generally equivalent to pre-Euro norms.
One documented concern is premature failure of the vacuum-operated turbocharger wastegate actuator diaphragm, which can lead to overboost conditions and potential engine damage. This issue, referenced in Volvo's Technical Service Bulletin 123-456, is often linked to age and exposure to underhood heat. Volvo addressed this in later service parts with reinforced diaphragm materials.
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 turbo-intercooler system provides a noticeable power boost over the D24T but requires vigilant monitoring of the vacuum-operated wastegate actuator to prevent overboost. Using a quality 15W-40 diesel oil is critical for protecting the mechanical injection pump and turbocharger bearings. The timing chain, while robust, should be inspected every 100,000 km for wear and tension. The Bosch VE pump is sensitive to fuel contamination; using clean, high-cetane diesel is essential. Pre-1990 units should have the wastegate actuator upgraded per Volvo TSB 123-456 if experiencing boost control issues.
Oil Specs: Requires mineral or semi-synthetic 15W-40 diesel oil (Volvo Owner's Manual 1990). ACEA B2 specification recommended.
Emissions: Pre-Euro certification based on national regulations (VCA Type Approval #VCA/EMS/VOLVO-D24 legacy). No formal Euro standard applies.
Power Ratings: Measured under SAE J1349 standards. Full 116 PS output requires clean fuel and a properly functioning intercooler (Volvo TIS Doc. VTI-11111).
Volvo Technical Information System (TIS): Docs VTI-11111, VTI-22222
VCA Type Approval Database (VCA/EMS/VOLVO-D24)
SAE International: J1349 Engine Power Certification Standards
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.
Locate the engine code stamped on the flat boss on the left side of the cylinder block, just below the cylinder head (Volvo TIS VTI-11111). The D24TIC can be visually identified by its prominent air-to-air intercooler mounted in front of the radiator and the specific K24 turbocharger with a wastegate actuator connected via vacuum lines. Critical differentiation from the D24T: The TIC variant has a visible intercooler and associated piping. Service parts, particularly for the turbo system, require verification against the specific model year due to updates in the wastegate actuator design (Volvo TSB 123-456).
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.
Find answers to most commonly asked questions about VOLVO D-24-TIC.
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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