SENTRA 91000

2001 All Other Makes All Other Models

I am a complete new guy for car. It is my first car and I am fighting for my driver license now. I got it two weeks ago. When I bought the car, I asked the seller about timing belt since it close to 100,000 miles. He told me the car does not have a timing belt. But today I found it has a timing chain!
Are they samethings? Do I need change the chain? I search on web someone said the timing chain could last for 250,000 miles. Is it true?
A guy told me it would cost several hundreds on it. I am a foreign student, do not have a lot of money to do the replacement.
Any suggestion is great for me!
March 31, 2006.

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