Leo shanks Posted August 26, 2019 Share Posted August 26, 2019 my AC compressor won't kick over my Subaru is warmed up my question is are they made not to kick over without refrigerant in it it's a 1999 Subaru Legacy Outback 2.5 automatic Link to comment Share on other sites More sharing options...
brus brother Posted August 26, 2019 Share Posted August 26, 2019 I can't answer your question directly but my 05 AC clutch wouldn't engage sporadically. Turns out the relay was crapping out. Simple fix. Find the relay in the box and tap on it. If there is another same size relay in the box, swap them out and see if that resolves the issue. Link to comment Share on other sites More sharing options...
Subasaurus Posted August 26, 2019 Share Posted August 26, 2019 "warmed up"? is the A/C running perfectly fine up until this point when the vehicle warms up? Link to comment Share on other sites More sharing options...
Subasaurus Posted August 26, 2019 Share Posted August 26, 2019 20 minutes ago, Leo shanks said: my question is are they made not to kick over without refrigerant in it it's a 1999 Subaru Legacy Outback 2.5 automatic correct, if there's not enough refrigerant, it wont engage, or if there's too much, but i doubt that's the case here. 1 Link to comment Share on other sites More sharing options...
1 Lucky Texan Posted August 26, 2019 Share Posted August 26, 2019 a 99 anything could easily have leaked out refrigerant below the amount required to run the compressor. You may need a coupla o-rings and new schrader -type valves in the system and a re-charge. An a/c tech will have vacuum/recovery equipment and the knowledge to diagnose and fix the system. or, read here; Link to comment Share on other sites More sharing options...
idosubaru Posted August 26, 2019 Share Posted August 26, 2019 get a cheap gauge, see how much is in it. it's probably low. sometimes you can top them off and they're good for a long time. if it's leaking/loosing refrigerant, replace the orings at the comrpessor, schrader valves and hoses that go to the A/C compressor and that fixes most problems. what I wrote above is for an 01-04 H6 engine and will be different but the principles and locations of the parts are the same. 1 Link to comment Share on other sites More sharing options...
Leo shanks Posted August 26, 2019 Author Share Posted August 26, 2019 Tapt on relay nothing swapped still nothing, so i took cao off first relay jumped it then it ingaged.....know is this system made not to ingauge if no oil or refrigerant present...... Link to comment Share on other sites More sharing options...
Leo shanks Posted August 26, 2019 Author Share Posted August 26, 2019 Kkkl Link to comment Share on other sites More sharing options...
1 Lucky Texan Posted August 26, 2019 Share Posted August 26, 2019 exactly, low pressure sensor will prevent damage to the compressor by inhibiting operation. after vacuuming, repairs, etc. , there's usually enough pressure to satisfy the sensor when the first can of refrig. goes in. there may be 2-3 youtube videos that show the process. Link to comment Share on other sites More sharing options...
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