Engine Code

Volvo B-5244-S4 Engine (1998–2002) – Specs, Problems & Compatibility Database

The Volvo B 5244 S4 is a 2,435 cc, inline‑five petrol engine produced between 1998 and 2002. It features a cast‑iron block, aluminium head, dual overhead camshafts (DOHC), and Bosch Motronic 4.4 electronic fuel injection. In standard tune for the S70/V70, it delivered approximately 103 kW (140 PS), providing smooth, linear power for Volvo's mid — size models.

Fitted primarily to the Volvo S70 and V70 (P80 platform), the B 5244 S4 was engineered for refined, comfortable cru

Volvo Engine
Compliance Note:

Production years 1998–2002 meet Euro 3 emissions standards (Swedish Transport Agency Type Approval Records).

Volvo B-5244-S4 Technical Specifications

The Volvo B 5244 S4 is a 2,435 cc inline‑five petrol engine engineered for mid-size sedans and wagons (1998-2002). It combines a robust cast‑iron block with a DOHC valvetrain and Bosch Motronic 4.4 electronic fuel injection to deliver smooth, predictable power. Designed to meet Euro 3 emissions regulations, it balances everyday drivability with modern emissions control.

ParameterValueSource
Displacement
2,435 cc
Fuel type
Petrol
Configuration
Inline‑5, DOHC, 20‑valve
Aspiration
Naturally aspirated
Bore × stroke
83.0 mm × 90.0 mm
Power output
103 kW (140 PS) @ 5,400 rpm
Torque
220 Nm @ 3,600 rpm
Fuel system
Bosch Motronic 4.4 electronic fuel injection
Emissions standard
Euro 3
Compression ratio
10.3:1
Cooling system
Water‑cooled
Turbocharger
None
Timing system
Belt‑driven camshafts
Oil type
SAE 5W‑30 (Synthetic)
Dry weight
Not specified in available OEM docs

Volvo B-5244-S4 Compatible Models

The Volvo B 5244 S4 was used across Volvo's S70/V70 platforms with transverse mounting. This engine was part of the modular B5 family and shared many components with the B5234 variants. Minor ECU revisions were implemented during its production run, but no major facelifts created significant interchange limits for core mechanical parts. All adaptations are documented in OEM technical bulletins.

Make:
Volvo
Years:
1998–2000
Models:
S70
Variants:
GLT, SE
View Source
Volvo EPC Archive Doc. VEP-S70-001
Make:
Volvo
Years:
1998–2000
Models:
V70
Variants:
GLT, SE
View Source
Volvo EPC Archive Doc. VEP-V70-001

Common Reliability Issues - VOLVO B-5244-S4 Compatible Models

The B 5244 S4's primary long-term concern is failure of the oil trap in the PCV system, leading to excessive oil consumption and leaks. Volvo TSB-99-05 documented this as a cause of sludge buildup and damaged seals. Consistent operation and prompt replacement of the PCV system components are critical for preventing costly internal damage and external leaks.

PCV system oil trap failure
Symptoms: Excessive oil consumption (more than 1L/1,000 km), oil leaks from crankshaft seals and valve cover, whistling noise from engine.
Cause: Clogging or failure of the oil trap in the Positive Crankcase Ventilation (PCV) system, leading to excessive crankcase pressure that forces oil past seals.
Fix: Replace the entire PCV system, including the oil trap, hoses, and one-way valves, with updated OEM parts per TSB-99-05. Clean any oil residue from the engine and bay.
Timing belt failure
Symptoms: Engine will not start, sudden loss of power while driving, potential for severe internal damage.
Cause: Failure to replace the timing belt at recommended intervals (80,000-100,000 km), leading to belt breakage.
Fix: Replace timing belt, tensioner, and idler pulleys as a complete set at recommended intervals. If failure occurs, a full engine inspection for valve/piston damage is required.
Cooling system leaks (plastic components)
Symptoms: Coolant loss, visible drips, overheating, sweet smell.
Cause: Age-related failure of plastic coolant reservoirs, thermostat housings, or heater pipes, common in engines of this era.
Fix: Replace failed plastic components with updated OEM parts. Inspect all hoses and clamps. Flush and refill cooling system with correct coolant type.
Oil leaks (crankshaft seals/valve cover)
Symptoms: Oil drips from front or rear of engine, burning oil smell.
Cause: Deterioration of rubber crankshaft front/rear seals or valve cover gasket due to age and heat cycling, often exacerbated by a failing PCV system.
Fix: Replace leaking seals or gasket. Ensure crankcase ventilation system is functioning correctly to prevent pressure buildup.
Research Basis

Analysis derived from Volvo technical bulletins (1998-2003) and workshop manuals (2000). Repair procedures should follow manufacturer guidelines.

VOLVO B-5244-S4 FAQ Common Questions Answered

The most common questions about engine codes, what they mean, how to find them and how this database works

The B 5244 S4 can be reliable long-term if its critical maintenance items are strictly followed: replacing the timing belt every 80,000-100,000 km and addressing PCV system failures per TSB-99-05. Neglecting the PCV system is the most common cause of oil leaks and consumption. With proper care, these engines can reach 250,000 km or more.

The most common and serious issues are PCV oil trap failure causing excessive oil consumption (TSB-99-05) and timing belt failure due to missed replacement intervals. Other common problems include coolant leaks from aging plastic components and oil leaks from seals. These are well-documented in Volvo's service literature.

The B 5244 S4 was fitted to the Volvo S70 sedan and V70 wagon from 1998 to 2000. It was used in the GLT and SE trim levels, positioned as the naturally aspirated 2.4L option below the turbocharged 2.3L and 2.4L variants.

Yes, within limits. Common upgrades include a performance exhaust, intake, and ECU remap. Significant power gains are difficult due to the engine's high compression ratio and naturally aspirated design, but drivability can be improved. Any tuning should be done cautiously to avoid overstressing the internals.

Fuel economy is moderate for its displacement. Expect figures around 10-12 L/100km (23-28 mpg UK) in mixed driving for a well-maintained car. Economy is heavily influenced by driving style, tire pressure, and the condition of the engine and transmission.

Yes. The Volvo B 5244 S4 is an interference engine. If the timing belt breaks or jumps, the pistons will contact the valves, causing severe internal damage that often requires a complete engine rebuild or replacement.

The engine requires SAE 5W-30 full synthetic oil meeting Volvo specification. This is critical for protecting the valvetrain and preventing sludge buildup. Using the correct oil and adhering to 10,000 km change intervals is essential for longevity, especially to mitigate PCV-related issues.

Research Resources

Comprehensive technical documentation and regulatory references

Platform Overview

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If a data point is not officially disclosed, it is marked 'Undisclosed'.

Regulatory Stability

EU regulations are referenced using CELEX identifiers for long-term stability.

Primary Sources

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.

Regulatory Context

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.

Methodology

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Last Updated: 25 Feb 2026

All specifications and compatibility data verified against officialVOLVO documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed”.

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