Hyundai Elantra: Beta II 2.0 timing belt — interference engine, belt failure destroys it

The XD-generation Elantra runs the 2.0 Beta II, and it is belt-driven and an interference design: if the belt breaks, the pistons strike the valves and the engine is finished. Hyundai's interval is around 100,000 km or four to five years, whichever comes first — and the age half of that is what catches people out on a car this old, because a low-mileage example can still be well past due on time alone. Two further points worth knowing: the belt, tensioner and idlers should be replaced as a kit rather than a belt alone, and this engine's tensioner is manual, so a belt fitted at the wrong tension can fail early even though it is 'new'. A receipt that says only 'timing belt' is worth less than one that lists the kit and the water pump.

• Usually nothing — a timing belt gives very little warning before it lets go
• Rough rattling noise from the front of the engine, most noticeable at start-up
• Coolant weeping from the front of the engine if the water pump is going with it
• Engine turning over freely but not starting, after the fact

This is a paperwork check first and it is the most valuable question you can ask about this car: when was the timing belt last replaced, at what mileage, and is there an invoice? Read the invoice rather than taking the answer — you want the tensioner and idlers listed as a kit, and ideally the water pump, not a belt on its own. Treat "I'm not sure" as meaning it is due now, and treat a date more than four or five years old as due regardless of the mileage since. Look for a service sticker under the bonnet or in the door jamb. With the bonnet up, listen at idle for a rattle or rumble from the front of the engine, and look for coolant weeping or crusty residue around the water pump area. Price the job into your offer if there is no evidence. If a workshop inspection is possible: the belt's condition and tension can be checked behind the cover, which matters here because the tensioner is set by hand.

Parts involved: Timing belt.

$500 to $1,400 at New Zealand independent workshop rates. That is for this job on its own, not for the car.

An estimate, in NZD, for the repair as normally carried out. What a specific car costs depends on which part has failed and what it damaged on the way — treat this as the floor for a negotiation, not a quote.

• “When was the timing belt last replaced, and can I see the invoice?”
• “Was the tensioner, idlers and water pump done at the same time?”
• “How many years ago was it, regardless of the mileage since?”

The failure described above is documented in published sources — owner forums, technical service bulletins, recall notices and workshop write-ups — held in our fault database. The inspection instructions and the cost estimate are KickTyres’ own interpretation of them, and it is a starting point for an inspection rather than a manufacturer statement.