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Is the timing belt on a 4L engine (2010 T&C Limited) a chain or a belt? If it is a belt, at what mileage should I change it, waterpump, tensioner, pullies etc????
 

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2013 Chrysler Town and Country Touring
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I've read that the 4.0 has a timing belt and is an interference engine. I don't yet know how often the belt should be replaced.
 

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I just saw a site that recommends changing the timing belt every 102,000 miles. Might as well change it every 100,000 miles.
 

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The owners manual says 102,000 Miles (170,000 km) or 102 Months.
 

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I've read that the 4.0 has a timing belt and is an interference engine. I don't yet know how often the belt should be replaced.
An interference engine can have a timing chain. 3.3L and 3.8L are interference engines, but have timing chains.
Interference Engines – Complete List
 

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True, my 3.6 liter Pentastar has a timing chain and is an interference engine.

I feel pretty lucky, I've never owned a van with an engine which used a belt. Though there's nothing wrong with timing belts from what I've seen.
 

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True, my 3.6 liter Pentastar has a timing chain and is an interference engine.

I feel pretty lucky, I've never owned a van with an engine which used a belt. Though there's nothing wrong with timing belts from what I've seen.
Other than you get to spend an extra $800 to get one replaced at 100K .
 

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I've had six vans, one car, and one bus in the last 41 years and have never had to change a timing chain.
 
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