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If you have a DVOM (digital volt ohm meter) check the voltage of the battery when this is happening. I suspect that the alternator is not charging. The voltage with the engine running should be (roughly) between 13 - 14 volts, anything less than 12.6 means the alternator is not charging.


I would go ahead and replace both the valve and the o-ring. Also, you most likely have the R134a, as this has become the standard for automobile Acs for the time being. As far as getting the right parts? Try calling Jeep, and getting some part numbers. When you get down to specific small items like these, I doubt aftermarket parts are available. Once ...


"Does the light go out after the engine has run for a while? –  mikes" No, I would have to turn the vehicle off then turn it back on again, but If I let the vehicle warm up for a bit then the light doesnt come on at all.


The easiest way to figure this out is to go down to the Chrysler/Jeep dealer's parts shop and have them look it up for you. Describe them exactly what you are looking for and they will have a computer screen to match the part for you. I wouldn't buy the part there, because the "stealership" will charge you an exorbitant amount of money for each bolt ...


The Shrader valve is the definitive seal. The cap is there to keep dirt & crud out of the Shrader valve. The plastic threads on those caps aren't enough to hold more than a few pounds of pressure, and there's no way to get Teflon plumber's tape on those threads. So... you might replace the Shrader valve, or at least reseat it (that often does the job - ...


Important Caveat: Seeking information for future reference is admirable but it sounds like your wife's car now has at least one non-functional brake. You may be in a position where professional technical help is advisable. Back to your question: Your terms and the picture don't quite match. Are you talking about the "Holddown pins" in the picture? If ...

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