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Maintenance on 2003 Chevrolet Venture

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
Does this van have a timing belt or chain that needs to be replaced as general maintenance?
(2) Answers
The 3.4L V6 engine on you van is driven by a Timing Chain. It is not a Scheduled Maintenance item, there is no need to replace it unless it is too noisy.