WASHINGTON - The Treasury Department opened a $5 billion financing support program yesterday to help auto suppliers keep parts flowing to General Motors Corp. and Chrysler L.L.C. as they try to rebound with billions in government aid.

WASHINGTON - The Treasury Department opened a $5 billion financing support program yesterday to help auto suppliers keep parts flowing to General Motors Corp. and Chrysler L.L.C. as they try to rebound with billions in government aid.