Question about 2003 Lincoln Navigator

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2003 lincoln navigator suddenly stopped blowing cold air

Compresor clicks on and off and rpm change when you turn on and off both front and rear no cool

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The clicking is the clutch engaging and disengaging which is normal and the RPMs should change when this happens because of the extra drag on the engine. You are only noticing this now because you are listening for a problem but it normally happens. It sounds like you have a leak in the system which can only be found by a mechanic since the A/C is a highly pressurized system, is dangerous, needs special tools, and from what you said, the moving parts are working. Let me know what you find out.


Posted on Jul 23, 2009


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