Profile Topics Started Replies Created Engagements Favorites Search replies: Forum Replies Created Viewing 1 replies (of 1 total) Author Replies February 19, 2016 at 1:46 am in reply to: 2011 Honda Pilot 120,000 timing belt #852101 STEPHEN BAILEYParticipant Eric, exactly how important is that idler pulley shim? What if I neglected to install it since there wasn’t one there in the first place? There are no strange noises from belt warm up or anything either. Please advise. Thanks. Author Replies Viewing 1 replies (of 1 total)