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no drive belt. there are several chains. if the chain were broken (unlikely) it wouldn't even start, let alone overheat.
some causes of overheating include:
- low coolant level (the red light on the temp gauge blinks)
- air in the system.
- bad coolant cap
- cracked coolant tank (look under the carpet in the trunk for puddles)
- bad water pump (probable since you mention the noise...)
- cracked head / gasket problems...
how many miles? have you ever had the pump or the coolant tank replaced? they generally tend to go before 100k miles.
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"Speed has never killed anyone, suddenly becoming stationary... that's what gets you."
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