air condition Ac blows cold when it dose come on

[Eroc K!llz]

So i been having a issue, first off  i am a mechanic  seeking advice for more experienced with ac. the system is charged full and the ac fan comes on when it wants to some time i start up its blowing  but shit off truck and then ac will not come back on for another couple  days i first thought  was ac clutch fan or resistor... just need some input if any 

[davester]

what do you mean by "charged up"?  you have a proper set of gauges to measure the hi/lo pressure,and they both are in the right range?

[Formulabruce]

3 hours ago, davester said:

what do you mean by "charged up"?  you have a proper set of gauges to measure the hi/lo pressure,and they both are in the right range?

 I agree, this is a Low or High ( probably high) pressure switch issue.  Getting "real" gauges on it isnt rocket science.

 you can rent them from O'Reilly if  you cant borrow them.

[The Snow Punisher HD]

I had to completely rebuild my 01 ac system.

As mentioned high cut off and low cutoff are possibilities.

 

Get a set of gauges from harbor freight. Cheap and do the job.

 

Connect with quick connect to the high and low side (back left of Engine bay)

They have black caps.

Also when you do the gauges don't forget to open it.

There are many other things and I can help but need more info