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2003 Diesel Ram A/C fan problem? #1436932
05/15/13 05:52 PM
05/15/13 05:52 PM
Joined: May 2012
Posts: 169
Finland, Europe
C
Ck[FIN] Offline OP
member
Ck[FIN]  Offline OP
member
C

Joined: May 2012
Posts: 169
Finland, Europe
Ac didnt work in my dodge when i bought it, i went to fill it will proper amount of freon. 0,850kg as it says on the sticker. It was totally empty.

After flling, compressor engages and it makes cold inside but the compressor runs and runs all the time. After 370psi in high side i stopped the compressor, i thought it would disengage at about 250psi?

Should the fan clutch engage always when ac is on at idle? Fan turns very slowly at idle so clutch is not working? This should also help with pressure when it cools the condenser? Or is there pressure sensor for high pressure?


-1965 Valiant 9.03s 358cu.in R5P7-
Re: 2003 Diesel Ram A/C fan problem? [Re: Ck[FIN]] #1436933
05/16/13 11:14 AM
05/16/13 11:14 AM
Joined: May 2003
Posts: 13,182
aZLiViN
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J_BODY Offline
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J_BODY  Offline
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Joined: May 2003
Posts: 13,182
aZLiViN
scan tool to see if the ecm is attempting to lock up the vistronic fan clutch would be handy, and to monitor the speed sensor. With PSI that high it should be at 99% and starting to pull some air. two cent guess is that you'll need that "cheap" fan clutch. (it aint cheap).







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