WEIRD: a/c engages on/off when it wants too! lol - Maintenance and Repair Forum

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WEIRD: a/c engages on/off when it wants too! lol
Tuesday, October 11, 2005 2:05 PM
Here's the deal. It works (minus the fact that I do need to put in a new blower motor resistor) but this is the problem...
In any mode you select and want to run the a/c in, it does this. Along with the recirculation & defroster modes. What happens is, when you want to turn on any of the above involving the a/c system, you can hear the clutch off the compressor engage itself for like 5 seconds. Then, all of a sudden, like it sorta should w/i reason, it spikes your rpm's up to about 1500 then shuts off immediately. Then, after it hits below idle, the compressor kicks back on...does the same thing then shuts off. It does this as long as the a/c is selected. The only time it seems to work right it as highway speeds above 50 mph. And even still , you can feel/see the current draw from your acces. lights & headlights and hear the clutch going on and off.
It gets scary b/c at a stoplight, you could be sitting at a dead still, then turn on the a/c and it kinda lunger you forward from the rpm spike lol.
what make sme mad is that its always shutting off and turning back on, shutting off and turning back on, etc. Sometimes it won't do it as much when the defroster is on, but it doesnt all the time when any mid or floor vents are selected and a.c is on
if any one can help, EXCELLENT!
id appreciate if you could give me some info on how to corect this
thanks!


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