2004 VOLVO S40 B4204S/B5244S5 (V40)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Timing belt tensioner wear
• Electrical window regulator failure
• Suspension bushing wear

First checks

• Check timing belt condition and service history
• Inspect cooling system for leaks
• Test all electrical systems including central locking

Avant de remplacer des pièces

• Save fault codes and freeze-frame data before clearing anything.
• Check engine oil, coolant and transmission fluid using the correct temperature and service procedure.
• Verify power, ground, connectors, hoses, leaks and live data before replacing expensive parts.

Important notes

• Market variations exist; diesel engines primarily for Europe and selected markets.
• North America usually featured gasoline engines only with different power outputs.
• Service-fill oil quantity includes oil filter change.