There is a TSB (technical service bulletin) for this problem. Bulletin No.: 02-06-04-015A Date: March 07, 2006 TECHNICAL Subject: Intermittent No Crank, No Start (Clean Battery Side Terminal Stripped Threads, Replace Battery Cable Bolt) Models: 2001-2007 GM Passenger Cars and Light-Duty Trucks (Including Saturn) 2003-2007 HUMMER H2 2006-2007 HUMMER H3 2005-2007 Saab 9-7X with Side-Mounted Battery Terminals Supercede: This bulletin is being revised to update the models and provide a new labor operation number for this repair. Please discard Corporate Bulletin Numbers 02-06-04-015 and 03-06-03-006A (Section 06 - Engine/Propulsion System). Condition Some customers may comment on an intermittent no crank, no start condition. Cause This condition may be due to poor battery cable connections. Cross-threaded/stripped battery cable bolts inside the battery side post terminals may cause poor battery cable connections. Correction To avoid replacing the battery , do the following steps: ^ Clean the threads in the...