Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › 2003 Nissan altima 2.5 liter do I need to take the intake ma › 2003 Nissan altima 2.5 liter do I need to take the intake manifold off to swap the motor? August 28, 2011 at 11:00 am #438893 TonisherParticipant Thanks BigC That was just what I was looking for. You the man appreciate it.