Does this make and model have a timing belt or a timing chain?
timing belt or timing chain on 2003 Suzuki Vitara
The 1.6L 4 cylinder has a timing belt, you can find that and others here: http://www.gates.com/downloads/download_common.cfm?file=428-1466_web.pdf&folder=brochure
1 more answer
And the 2.0L and all V6's have a chain.