I have a 2002 oldsmobile alero that the timing belt broke Mar 26, 2011I have a 2002 oldsmobile alero that the timing belt broke on is it. is true with this car if the timing belt goes - Answered by a verified Oldsmobile Mechanic5/5I was told my 2002 Alero 4 cycliner the timing chain brokeDec 17, 2012Timing Belt On 2002 Oldsmobile Alero Engine Broke. RepairJun 27, 2012My daughters 2002 old alero has a broken timing chainJul 01, 20092003 Alero: cyclinder timing belt has jumped - ASAP See more results Does olds alero have a timing chain or belt - Fixya Does olds alero have a timing chain or belt - 2002 Oldsmobile Alero. Posted by Anonymous on Oct 01, 2012. Want Answer 0. Clicking this will make more experts see the question and we will remind you when it gets answered. I need a diagram of the timing belt system in a oldsmobile alero 1999.