Q: occasional squealingstartups on 2001 Subaru Outback

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
squealing sound every 10 startups lasting 5 seconds or so.does not continue while under way
(1) Answer
Have the drive belt tension checked. You may have a bad bearing in one of the timing belt or drive belt pulleys, so get it looked at sooner than later.