Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › 04 Chevy Classic vacuum leak? › Reply To: 04 Chevy Classic vacuum leak? September 12, 2020 at 8:31 am #963635 Richard KirshyParticipant See if this is helpful : https://www.youtube.com/results?search_query=vacuum+leak+check+with+fuel+trims