One problem related to power assist brake hoses, lines/piping, and fittings has been reported for the 2003 Buick Rendezvous. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Buick Rendezvous based on all problems reported for the 2003 Rendezvous.
Brake failure on a 2003 Buick Rendezvous, 36,440 miles due to rusted through brake line at firewall above exhaust. My wife was barely able to get the car safely off the road. Car was towed to the dealer; not warranty; very expensive; towed to transmission shop for repair. This could have resulted in a major accident.