A/c system full of 134 but has a mind of its own...ideas?

[Richard J Lebens]

sounds like the loww pressure switch   low on freon

--- Obin Olson <oolsen1 at ec.rr.com> wrote:
> hello all, I took my a/c system apart last year put in new seals new
> dryer new orface thingy and filled it up with 134 and new oil..worked
> great last year NO problems at all..now this year it works great WHEN
> it comes on...seems like the pattern is when it's cold in the morning
> and I first start it MAY come on and cool if it does it will stay
> cooling for say maybe 10-20min of driving then it will stop
> compression and NEVER come on again that day..next morning it may or
> may not come on but it never comes on in the same day after it shuts
> down....what in the world could this be? the A/C relay IS clicking
> when you push the A/C button ON inside but the compressor is NOT
> getting 12v..if I jump the compressor it will work and cool...what
> could cause the thing to shut down after a while and not start again
> till the next day??
> 
> thanks for any help on this weird issue
> 
> could it be a bad water temp sender in the engine? if so what one?
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