Does a timing chain need replacement?
A chain often has no fixed replacement interval, but its life depends heavily on correct oil and timely oil changes. Some engines have known chain or tensioner weaknesses, so check the schedule and technical guidance for the exact engine.
Timing chain warning signs
Rattling on start-up, metallic noise, an engine warning light, loss of power or rough running may indicate chain stretch or tensioner wear. Early diagnosis can prevent the chain jumping and causing serious engine damage.
Timing chain replacement cost
Replacement commonly costs €800–€2,000 and can be higher where access requires major engine work. The quote should detail the chain, guides, tensioner, seals, oil and labour.