Chevrolet Q&A

Ask Your Question

2001 Chevrolet Express 3500 Question: my A/C is not working well. At night time is cold enough but during daytime not.

 

Question

shandro, Miami, FL, August 07, 2012, 23:16
 Enthusiast

when driving during day time the front section is not cold enough but the backsection is working very good. theres no leak in the system . the was in the garage park for 3 years . when i bought it there was no refrigerant in the system it was emty no presure. i fill it up it start to work after a will it stop working good so i did vacuum the system add some refri oil and id start freezing again for one year . now is is not cold enough in the front during day time it blow a little bit of cold follow by almost nothing it keep doing this while driving .
i want to know how many oz of refrigerant oil or compresser oil i have to put in the system and how many psi or oz of refrigerant i have to fill it with. or do i need to change something for better result. these vehicles has 2 systems one in the front and one in the back.

1 Answer
Flag This
  • Answer #1

    Greg's Orange Auto (14224 Answers) , Orange, CA - (714) 361-9386
    globalhelper August 08, 2012, 06:52
     Master

    you may have a blockage in the frt part of the system. like the orface tube, which could mean there is debri in the system. poss compressor going out

    Flag This
  • Reply

    shandro, August 08, 2012, 20:18
     Enthusiast

    thx Greg and and do you know the amount of refri oil that has to be fill so the system can operate properly? Shandro

    Flag This
  • Reply

    globalhelper, August 09, 2012, 05:42
     Master

    normally 4 to 6 oz

    Reply
    Flag This