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January 14, 2008

Hyundai Genesis - A timing chain reaction

I can't imagine any company other than Hyundai (well, maybe Kia) bragging about the lower maintenance costs of a timing chain over a timing belt in a luxury $40,000 sedan. But, indeed, Hyundai did, when it announced that all Genesis engines use a chain.

Hyundaigenesisv8engine They've got a point—to some extent. Timing chains last the lifetime of a vehicle, while timing belts have prescribed replacement intervals. (Letting a timing belt wear to where it snaps can damage an engine.) So having a chain means you don't wind up with a bill for several hundred dollars to replace the belt when your car reaches around its Golden Years. Then again, it also means Hyundai won't foot the bill either during the coverage period of its extensive 10-year/100,000-mile warranty.

Problem is, the biggest cost factors in vehicle ownership are depreciation and fuel economy. These big-ticket costs eat into your budget more than a timing belt replacement. Even though Hyundai is building some very good cars, resale isn't yet a strong point. Plus, paying for gas for a 4.6-liter, 375-hp V8 isn't a budget-friendly choice, either. Hyundai also didn't mention a free maintenance program for the Genesis -- something that a (much-more-expensive) BMW has standard.

Tom Mutchler

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Comments

Timing chains last the life of a vehicle? That's a new one on me. I've had two on completely different vehicles get so loose that they had to be replaced at less than 150K. The head(s) have to be pulled and its a very expensive job. Belts have their place. They're light, quiet and efficient, and now routinely last 80K or more.

What is the real story on having timing belts changed?

Where is the most economical place to get a timing chain replaced?

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