2010 Murano Not cold, maybe Drier?

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atrdriver
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2010 Murano Not cold, maybe Drier?

Post by atrdriver »

I have a 2010 Nissan Murano that I had to pull the AC compressor a few times in order to replace the alternator. The first two times after an evac and recharge the AC worked great . After the third time it's not blowing cold (Yes I had to put 3 alternators in this thing). Gauges say 200/35 when compressor is running, which I think tells me it is full of R-134A. I'm thinking it could be the drier, but it's really a pain to get to so I kind of want to confirm that before I tear it apart. Is that what it sounds like?

Thanks in advance :)
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Tim
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Re: 2010 Murano Not cold, maybe Drier?

Post by Tim »

Reclaim the refrigerant and add back the proper amount to know you have the correct amounts for further analysis.

Refrigerant

Type .................... HFC-134a (R-134a)
Capacities


Refrigerant

Capacity .................... 0.60 kg (1.32 lb)
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tbirdtbird
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Re: 2010 Murano Not cold, maybe Drier?

Post by tbirdtbird »

What Tim is saying is that pressures alone do not give a true indication of proper charge.
And any pressure readings s/b taken at 1500RPM, max fan, max cool, windows open, 80F day or hotter. ie a real load test. And the test conditions should be specified in your post
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atrdriver
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Re: 2010 Murano Not cold, maybe Drier?

Post by atrdriver »

I will refill it with 1.32 lbs tomorrow and let you know what happens. Thanks for the replies.
atrdriver
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Re: 2010 Murano Not cold, maybe Drier?

Post by atrdriver »

Thanks guys. Apparently I didn't have quite enough R-134A in it. After a vacuum and refill weighing the cans I have a 38 degree drop from ambient, and she is very happy with that. I appreciate the assistance !!

Thanks again
tbirdtbird
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Re: 2010 Murano Not cold, maybe Drier?

Post by tbirdtbird »

Glad it worked out, nice work
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Cusser
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Re: 2010 Murano Not cold, maybe Drier?

Post by Cusser »

I'm back in !!!

I guess I'm a little smarter than I was yesterday, and this morning I Googled how to set up an "exception" to the site URL in Avast, so now I can get in to the site !!! SUCCESS !!!


Anyway, my comment is that one will never get a full 12 oz. from a refrigerant can; I figure 10 to 10.5 oz. actually get into the system. I have no idea how much refrigerant ends up contained in the hoses either.
tbirdtbird
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Re: 2010 Murano Not cold, maybe Drier?

Post by tbirdtbird »

Cusser, we wondered where you went! Welcome back

BTW the hi side hose holds between 1.5-2 oz
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Tim
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Re: 2010 Murano Not cold, maybe Drier?

Post by Tim »

Hope John is all right. I have not seen him lately—as well as GM Tech, Brad, Detroit, and others.
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Re: 2010 Murano Not cold, maybe Drier?

Post by tbirdtbird »

I was thinking the same.
I suspect John took a week off due to Mem Day weekend
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