What do you have to remove to remove the PCV tube from the intake? I have felt around back there but I can't find it. Any help would be greatly appreciated.

1999 f150 5.4 4x4 auto

 

If it's like mine, it's a one-piece hose/fitting assembly. It's not a mechanical fitting. The larger rubber end is usually seems a bit stuck to the intake from heat. I use a wide-bladed screwdriver and my fingers and gently work around the edges of the fitting to pry/ease it off.
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Rick

 

Thanks Rick, I am just having a hard time finding it. I was wondering if the throttle body needed to be removed

 

Mine is on the back of the TB and pointed directly at the firewall. It angles upward a little.

 

The TB does not need to be removed. Both ends, the PCV and the TB are just tight rubber connections. The large end of hose goes over outlet on back of TB.