oil pressure switch
#1
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My 2013 sonic, 1.8L with manual transmission has the oil light coming on when the rpm drops below 2000. I have know idea where I the pressure switch is in order to change it. I would like your help in locating it.
#2
CF Monarch
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Your oil pressure sender is on the front passenger side of the motor. Unfortunately its located more or less behind the A/C compressor. Takes a 24mm socket if the compressor is moved out of the way, then its a piece of cake to remove and install a new one. Part is ACDelco Oil Pressure Switch #55581588.
#3
![Default](/forum/images/icons/icon1.gif)
Your oil pressure sender is on the front passenger side of the motor. Unfortunately its located more or less behind the A/C compressor. Takes a 24mm socket if the compressor is moved out of the way, then its a piece of cake to remove and install a new one. Part is ACDelco Oil Pressure Switch #55581588.
#4
CF Monarch
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Problem is that lots of vehicles these days don't come with long enough lines to do that, whereas in the past they usually did, but it's possible that the Sonic does. You should be able to see the sensor from the top. There may be enough room to catch it with a box-end wrench, if you can move the compressor as far as it will go without removing the A/C lines.
I'd hate to see you spend all the extra money having to discharge the A/C system's refrigerant, which in the US legally requires it to be done with a recycling machine at a shop, just to change a $12 dollar part that's easy to change, if it were located someplace else easy to get to. It's almost like it was designed to be like that, but perhaps not.
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