I have a 98 f150 with a 5.4l the ac does not work most of the time but every now and then it will start blowing cold for a few minutes then goes back to blowing warm air the clutch doesn't seem to be engaugeing when I turn on the ac and the freon level looks good

 

Check the clutch for excessive air gap.

 

Ill check that today thanks for the info

 

How do you do that?

 

Feeler gauge set.

 

OK then what?

 

Then you post the reading of the gap measurement.

 

OK lets start from scratch.

Can you point to a sticky or thread or can you explain from start to finish on how to do this? Maybe pics of what is being measured?