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Discussion Starter #1
My $48,000 beta-testing of the MKC continues....

Yesterday I drove it 180 miles to visit a friend. It sat overnight and when I got in it this afternoon, the A-C was broken. I found that if the A-C was set on "MAX" it would blow out some slightly cool air to get the temp down to 90-95 F or so. The outside temp read 108 F so I guess I was lucky to be able to get the car home. The dealer can get it in Monday, but a car w/o A-C in Tucson in the summer is the same as no car. ONLY 1800 miles on this car :confused:

As a follow up to my XM radio issues from 2 weeks ago. The dealer did the service bulletin reset so at least it doesn't read "no signal" all the time. But it still cuts out at traffic cam/radar intersections in town. The dealer drove it around and agrees. This is the receiver being overloaded, simply bad design.
 

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The dealer got it in Monday AM and the air conditioning compressor had gone out after only 3 WEEKS and had to be replaced. Very worrisome, in the desert the A-C is run to the max for 6 months a year. I hope it is not under-engineered to the task. It broke after its first 3 hour road trip in 105 F heat.

While the technician was working on the car some kind of gasket was seen to be leaking,
that part was ordered and came in late today. So another day or so in the shop.

At least I have a free loaner vehicle. Maybe I paid for it, maybe it came with the vehicle.
 

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To me the tech mentioning a leak makes me think you were losing refrigerant, especially since it was still blowing slightly cool air at max. Low refrigerant is hard on the A/C system from my very limited knowledge. The efficiency drops drastically.
 

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I believe that refrigerant can also be toxic, unless that was a previous version of it. I know they phased out some version.
 

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Got the MKC back just now....

The coolant system was found to be only half full, the compressor burned out, the compressor assembly was replaced. No further explanations.

While the mechanic was fixing the A-C, something called the CV boot was noticed to be leaking grease. The "boot assembly" was on back order with no firm date of availability, so the entire right front axle assembly was replaced (!)

So I'm hoping for the best for the next 100K miles. I'm glad I bought the super maximum cover everything extended service contract!
 

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Tucson, do you mean the "coolant system was only half full" as in the radiator/engine coolant, or the A/C refrigerant was low? I'm assuming you mean the A/C refrigerant...
 

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Discussion Starter #8
It must be the A/C refrigerant. The 2 page repair summary is out in the car, but it says something like: pressure low at "////", system recharged to "////", still no A-C, compressor unit replaced, A-C working properly. No word on why the A/C refrigerant was low, the service person that reviewed the summary with me said maybe it came from the factory that way (?)

If there is a leak I will know soon, we have another month of 90 F high temp days here.
 

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Good simple explanation I found of CV boots. I have torn a couple on my car over the years. It's pretty easy to see when it's done, grease gets shot out all over the place. Maybe it was damaged during install?
 

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AC

Hope that does not happen to me, as I would be very
upset . Just got Home from South Carolina , AC, I did not have to use , but spent 3 nights in Erie PA due to alternator and battery Breakdown . Car had to be towed to closest dealer, approx 20 minutes away . New alternator had to be Fedexed in from 350 miles away , and battery was replaced with a Interstate battery as all batteries for MKC are on back order. It usually means they have a serious problem with the part when none available and on back order.
 
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