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AC compressor

Tiny
SHAWN HENNING
  • MEMBER
  • 1999 DODGE CARAVAN
  • 3.3L
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 200,000 MILES
Replaced bad compressor. AC fuse is good. Could not put any r-134 into low pressure line. Made jumper connector and ran power to battery. Engine on, connect jumper and clutch engages and takes can of r-134. Reconnect regular connector and clutch does not engage. One small can did not make any temperature difference while jumped over. Do not want to overcharge system or blow a line. All thoughts welcomed. No multi-meter. Have test light.
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Thursday, July 20th, 2017 AT 3:16 PM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check all fuses in picture. You need 2.13 lbs to fill system so if can is 12 oz then you will need at least another can plus a little from third can. See picture if still not working it may be a bad pressure switch or the HVAC module may have something wrong which would require a mechanic scanning for codes.
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Thursday, July 20th, 2017 AT 3:38 PM

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