everything on automotive

Do you feel a little hot ? And it will only grow hot as summer is coming soon.It will be a perfect time for an ac failure,specially ac compressor clutch won't engage. There are several things that can keep the compressor from engaging. •The heater-A/C mode control switch •The low pressure cycling clutch switch •High pressure cut-off switch •Compressor clutch relay •Powertrain Control Module (PCM) One of the most common problems is a low refrigerant charge, the low pressure switch prevents the AC clutch from engaging when the system is low on refrigerant.So Make sure you have enough refrigerant in the system first.It's also not a good thing if the refrigerant is added too much,because there may be noise if you fill up.You need to add 70-80% refrigerant . But also some Dodge Ram 1500 owners reflected have tried jumping the wires on the accumulator and can move the clutch by hand but it will not engage even after putting moderate refrigerant in the system. For this case...