A/C HELP!!!
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New User
Joined: Apr 2008
Posts: 14
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A/C HELP!!!
Just bought a 1995 powerstroke!!! When i turn on the a/c its blows hot air the maybe after 20 minutes of driving or so it starts blowing cold! I was wondering what it could be or if anyone has had this problem. I would appreciate your replies.
Luke
Luke
Post Fiend
Joined: Feb 2009
Posts: 8,773
Likes: 1
From: Texas Coast
Here is the list
Vacuum pump starting to croak.
Vacuum leak
Low on freon. Suction pressure with vacuum on high should be 45 to 50 psig at 95 deg outside ambient temp.
Check your clutch for intermitent runs if so, check the suction pressure on the larger line near the fire wall as mentioned above.
Afterwards post what you find and I can give more detials of other things to check as well.
Vacuum pump starting to croak.
Vacuum leak
Low on freon. Suction pressure with vacuum on high should be 45 to 50 psig at 95 deg outside ambient temp.
Check your clutch for intermitent runs if so, check the suction pressure on the larger line near the fire wall as mentioned above.
Afterwards post what you find and I can give more detials of other things to check as well.
