Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › 2010 Ford F150 5.4L (Air Conditioning Issue) › Reply To: 2010 Ford F150 5.4L (Air Conditioning Issue) September 16, 2020 at 5:43 am #963687 JeffParticipant AC repair can be quite expensive. It may not be wise to replace parts just to find out you didn’t need to. This should be fully diagnosed before any repair attempts are made. Pressure must be checked with a gage.