Update: after $800 in parts, I removed the ECM fuse and even though it looked good, I replaced it with new. AC now works. Go figure
This is N14 engine and here is where that fuse is located, in that little plastic box
AC compressor wont engage
Discussion in 'Volvo Forum' started by DUNE-T, Mar 18, 2020.
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Rideandrepair and DUNE-T Thank this.
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When AC stops working after changing 2 lines and recharging and supposedly no leaks, what steps should be done and in what order from your experience?
Rideandrepair Thanks this. -
Rideandrepair and Bold Group Thank this.
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It was too early to get happy. Its not working again and it's weird how it acts. I went to a different shop, they pulled freon, did vacuum test and it passed. Then truck would not want to take the freon back. However, compressor turns on and off without a problem. Why the hell it was not engaging then when there was freon in the system?
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Sounds like the system maybe full of air and won't take it back.....
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Check your xpansion valves prob the one on firewall.
DUNE-T Thanks this. -
Also make sure apads module is powered up
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check also on top of the evaporator under the other plastic on top of the dash there is a relay that goes for ac make sure all contacts are good for that one as well you have to remove the top sometimes to get access to it need to remove speaker on right side of dash to get access to 10 mil bolt holding down dash.
DUNE-T Thanks this.
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