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How Cold Should Air From Register Be

Username Post: How Cold Should the AC be Blowing? (Topic#285584)
Gray Headed Mule 
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08-14-12 02:32 PM - Mail#2259256    

2000 Tahoe. Ac was not cold at all. Mechanic said the compressor was shot. Had him replace the compressor. Sitting in the shade the the air blows around 55 degrees at the vents but when parked in the lord's day idleing it barely gets down to 65... seventy at the vents... Now heed you the temps are in backlog of a 100 when I am testing. And yes Ac fan turned on high, temp turned all the fashion down and recirculating swith on.

Driving around locally in boondocks it gets down to well-nigh fifty - 55 degrees blowing out the vents.

Is this what information technology should exercise?

Mule

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4silvertrailblazer 
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08-14-12 02:50 PM - Post#2259265    
In response to Gray Headed Mule

Endeavour this...mash the accelerator to heighten rpm's to about 2,200 for ii-3 seconds while idling, and I bet you experience a surge of cold air in the vents. Mine has washed this since day ane so perchance its normal? Once it gets going, the A/C will freeze you out!

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Edited by 4silvertrailblazer on 08-xiv-12 02:51 PM. Reason for edit: No reason given.

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Tri5man 
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08-14-12 04:50 PM - Post#2259313    
In response to 4silvertrailblazer

The temps you posted are not well-nigh cold enough for a normal operating arrangement. How could you ever absurd a Tahoe at 65-70 degrees? Information technology'due south not going to happen. Something is incorrect. I'd take it dorsum to the guy who replaced the compressor and have him check the pressures and freon level. My 62 wagon with an A-6 compressor blows air consistently out the vents in the 36- 39 degree range.

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62chevy427 
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08-xiv-12 07:10 PM - Post#2259404    
In response to Grey Headed Mule

sitting idling should be l* or and then. driving around town in the 40s and on the road 38-40. anything less volition non cool sufficient when it is hot. my 62 on the road is 38 and in boondocks near 40. idling is at 42*. nearly of my other cars with air are similar.

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Greyness Headed Mule 
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08-14-12 07:33 PM - Post#2259419    
In response to 62chevy427

Thanks for the responses. It does get cooler when I rev information technology up to effectually 2000 rpm. I merely idea it should be just a little better.

Mule

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phat rat 
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08-xv-12 06:24 AM - Post#2259531    
In response to Greyness Headed Mule

my Ac guy looks for information technology to exist effectually 38-40 at idle


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GottaSS 
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08-15-12 06:47 AM - Post#2259537    
In response to Gray Headed Mule

My '66 Impala has recently been recharged and is still running with R-12. Driving effectually town when it'southward about 85*F my vent temps are 50-52. I am disappointed as it seems it should exist effectually 42*F but the store claims everything is working correctly.

I'm thinking of buying a mod, more efficient compressor and converting to R-134a.


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Bad Bowtie 
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08-15-12 10:47 AM - Mail service#2259620    
In response to GottaSS
  • GottaSS Said:

My '66 Impala has recently been recharged and is still running with R-12. Driving effectually town when it's about 85*F my vent temps are 50-52. I am disappointed as it seems it should be around 42*F but the store claims everything is working correctly.

I'm thinking of buying a modern, more than efficient compressor and converting to R-134a.

Has your drier been replaced or recored??

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Boog 
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08-19-12 03:02 AM - Post#2260838    
In response to Grayness Headed Mule

How is the airflow out the vents? Some 99-02 trucks and suv'southward received a motel air filter. If it's stopped up your air temps will exist affected. My 2000 has it. New one increased airflow and meliorate cooling.

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Gray Headed Mule 
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08-19-12 03:58 PM - Post#2261052    
In response to Boog

I withal think I accept a problem...

Bood... where exactly would the cabin filter be? I'one thousand thinking the air could be blowing a little harder.....

Mule

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black95jimmy 
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08-19-12 05:31 PM - Postal service#2261086    
In response to Grayness Headed Mule

Similar when he says " seven thirty twos" funny.

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Boog 
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08-nineteen-12 06:15 PM - Post#2261104    
In response to black95jimmy

https://www.chevytalk.org/fusionbb/showtopic.php?ti...
But there ya get. A video is fifty-fifty better.

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Alan_W 
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08-20-12 05:43 AM - Postal service#2261235    
In response to Boog

The cabin air filter has 2 filter pieces, one in front end of the other. It is easy to just pull out & replace the front one and overlook the rear filter.

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Boog 
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08-27-12 04:14 PM - Mail service#2263775    
In response to Alan_W

Yep I know. The first one I did I just replaced the 1 visible filter and thought information technology was odd there were two filters in the one package. The 2nd time I replaced one I had better lighting and was able to see the one in front.
So did Grayhead mule get his air working amend?

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Grayness Headed Mule 
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08-27-12 08:xiii PM - Mail service#2263854    
In response to Boog

Haven't had a chance to bank check to come across if it has cabin filters yet. It seems to exist blowing pretty hard merely it may supposed to blow harder.

It really hasn't been hot enough to chck out correctly equally far as temps get. It will be in the upper 90's this weekend. Too there is a garage running a "Check your Air-conditioning out" this week for $nine.95.. I'll take it there Thursday or Fri.

Might become to the cabin filters or should I say I'll check to run across if it has motel filters in the next day or so.

Thanks for everyones comments! it really does help out!

Mule

I'g sexy and I know it!

My 49 Chevy Fleetline Deluxe Restoration Projection


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Cattoyboy 
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08-28-12 03:48 AM - Post#2263914    
In response to Grey Headed Mule

Were cabin filters standard or optional? I have an '05 Silverado and afterwards reading this I'k curious if mine has one.


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Smitty_Chevy 
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08-28-12 10:06 AM - Postal service#2264039    
In response to Cattoyboy

They quit putting cabin air filters in the 2003 and up models. People were complaining about their A/C'south not working and a lot of times it was due to not replacing the cabin filters because almost people didn't know there was such a thing plus they were hard to get to. When people took them to the dealer to be changed out the price was and so high they were complaining virtually that to then GM just did away with them altogether. At present I've been reading where some people are complaining about their interiors getting and then dusty so easy. Oh well you tin can't please everyone.

I'm glad they got rid of them personally. I'd rather take out my own appendix as to work under the nuance of a car or truck.

The tree of liberty must be refreshed from time to time past the claret of patriots and tyrants - Thomas Jefferson


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Gray Headed Mule 
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08-29-12 01:58 PM - Mail service#2264491    
In response to Smitty_Chevy

Okay.... institute the filters and inverse them out! Man did that make a difference on how hard the fan blows. Oasis't really checked out how cold it gets nonetheless.

Could the filters brand the compressor show up as having high head pressure? That is what the mechanic said was wrong and the but thing to right this was to replace the compressor.

Hither's a picture of the filters.

Thanks for all the assist.

Mule

I'one thousand sexy and I know it!

My 49 Chevy Fleetline Deluxe Restoration Projection


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Alan_W 
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08-30-12 05:37 AM - Post#2264709    
In response to Gray Headed Mule

I am no good on Air-conditioning systems past whatever ways, only I'd call back you lot would want your compressor to take good compression. If y'all take as well loftier of head force per unit area, I'd suspect the system is over-charged or there is a restriction somewhere in the arrangement.

I also call up kind of think some of the statements of idle air temps coming out the vents at 35-45 degrees are sort of optimistic Maybe when information technology'southward not existent hot exterior, like in the winter...

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56chev66must 
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09-14-12 03:43 PM - Postal service#2269715    
In response to Alan_W

My experience is all with Hondas, from 1994-2000. But in Dallas during the summer, every car that came through the door had "Check A/C not cooling" at the top of the repair social club, lol.

Anyhow, below is Honda's prescribed method for testing the A/C system and the way I tested all the hundreds of cars I worked on. Other car makers have different methods for testing the A/C, simply since the principles are all the same, it doesn't really make a difference.

If the interior of the auto is extremely hot from sitting in the sun (equally they unremarkably are), roll down all the windows for a few minutes to help the heat escape. Turn the A/C on, put it on recirc air (max air), and all the manner common cold. Whorl upwardly the windows and park the car in the shop. A very shady area would work if you tin can't get in the garage, and don't let your garage fill up with carbon monoxide! Permit the A/C absurd the car for 15 minutes and check the temp. Information technology's all-time to employ a thermometer that yous can run into from exterior the car, considering A) every time you open the door you're letting heat in, and B) do the exam without sitting in the motorcar (YOU are warm). The temp will non agree steady as the compressor should be cycling on and off, information technology's going to vary well-nigh three degrees from low to high. Yous want to notation the everyman temp reached. Put the thermometer sensor in the centre vent, non the side vent.

Hither'southward the temp intermission down for R134a systems:

44 degrees or below: Arrangement working fine, no comeback possible

44-48 degrees: Could exist amend, perchance a footling low on refrigerant or an air door is not closing all the way (this was very common on Hondas). Just the improvement would exist slight (four degrees), and most people wouldn't notice the improvement and complain.

in a higher place 48 degrees: Not cool enough, repair needed

Oh, and this is during the hottest function of the summer in Dallas. If it's but 65 degrees outside and you're getting 44 degrees at the vent, then when information technology gets hot again you're going to be sweating!

Hope that helps!

56chev


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Grayness Headed Mule 
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11-07-12 ten:57 PM - Post#2287146    
In response to 56chev66must

I know it's been a while but I wanted to let y'all guys know what's going on and what went on!

The mechanic did everything in the world to find the trouble. He narrowed it down to a brake in the rear air. If I leave the rear air off, everything works good. turn it on and the front air conditioning starts getting warmer and warmer. He had already changed out the back "orffice" (** EDIT*** Expansion Valve***) is that what it's called???? Anyhow it was fixing to be libation weather so I didn't want to spend whatsoever more money on information technology.. plus nosotros were going on a trip. He seems to think the back condensor may be blocked.

Mule

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My 49 Chevy Fleetline Deluxe Restoration Projection

Edited by Gray Headed Mule on xi-07-12 11:34 PM. Reason for edit: No reason given.

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Gray Headed Mule 
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05-05-xiv 07:40 PM - Post#2450455    
In response to Gray Headed Mule

I know it's been a while but I simply at present have a trivial time to get back on. Come to find out he put on an after market compressor. I talked to the Chevy dealer shut to me and they said that the afterwards market compressors just don't have plenty oooommmph to push the freon where information technology needs to go... Then.. the mechanic put on s new compressor from GM and it works perfect.

You know sometimes it pays to seize with teeth the bullit and go ahead and take information technology to the Chevy dealership. I ended up paying style more than than I should have past thr mechanic replacing a lot of parts that didn't need replacing!

Mule

I'm sexy and I know information technology!

My 49 Chevy Fleetline Deluxe Restoration Project


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