Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › '05 Tundra Dirty Lower Intake › Reply To: '05 Tundra Dirty Lower Intake March 30, 2020 at 7:27 pm #953826 Russ BParticipant What about the schrader valve? I’m seeing some vids of ppl depressing the valve with a rag over it to depressurize?