AC not working

AMC
55

Asked by AMC Nov 15, 2010 at 03:30 PM about the 2002 Jeep Grand Cherokee Limited 4WD

Question type: Maintenance & Repair

After  refrigerant was recharged,  the AC of my Grand Cherokee (2002) stopped working. The clutch engaged from time to time but for less than 1 minute, then it disconects again.
Could you help me trying to find what is happening???

8 Answers

Rich Snow
10

need new compressor

1 out of 1 people think this is helpful.
Stephen Counihan
45

Or possibly just a new compressor clutch

papa
Not Active

LOW PRESSURE SWITCH is bad or it is overcharged(,certifed in auto ac systems.)

2 out of 2 people think this is helpful.
AMC
55

how can I check if it is overcharged??

1 out of 1 people think this is helpful.
AMC
55

how can I check if it is overcharged? somebody told me it could be the high pressure switch. Surprisinly today I turn A/C on and it works but I do not know for how long it will work.

4 out of 4 people think this is helpful.
papa
Not Active

No on the high pressure switch,take it to a garadge that does AC repair,tell them you want the pressure checked should be 40 psi,it can be done in a few min,may not charge you anything,$5.00 at most, if overcharged they can release the psi to normal can all be done in 5 min.

AMC
55

Thanks I will check that pressure in the system is not over 40 PSI. Today my A/C works almost all day, after it stopped working I just turn it on and off a few times and then it works again.

papa
Not Active

yea have psi checked,but sounds like the low pressure switch is going bad,quick check,unplug wires from switch,use a jumper wire in plugin,just put wire in each prong,see if it stopes working(ac) if it dont stop,you will know the LPS is bad,do not jump wire the switch just the plugin.

2 out of 2 people think this is helpful.

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