does my 2005 rendezvous have a timing belt that needs replacement? it has 150k?

A 2005 Buick Rendezvous - Timing Chain. BUICK RENDEZVOUS MODEL YEAR ENGINE BELT / CHAIN 2001 - 2007 (Rendezvous) 3.4 L LA1 V6 timing chain 3.5 L V6 timing chain 3.6 L LY7 V6 timing chain There isn’t usually a service window at all for timing chains.