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Tahoe & Suburban The power, space, and brutal towing ability make the Tahoe and its longer sibling, the Suburban, arguably the best full size SUV's on the market today.

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  #1  
Old 07-08-2010, 12:34 PM
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Default 1995 Chevy Tahoe A/C

I have a question, how much freon does a 95 Tahoe hold? I have 2lbs in it already but when it's 90 degree's out..the thing seems like it's not coming out cold enough. When it's 75-80 degree's out..it works fine. I've got it down to about 45 degree's inside..but would like to see if it can go colder by adding/removing freon?? I've replaced the compressor, evap, accumulator, flushed out the lines...
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Old 07-08-2010, 01:09 PM
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The 1995 Tahoe contains no freon. I know, I used to have one.

http://en.wikipedia.org/wiki/1,1,1,2-Tetrafluoroethane

On something that old, i'd wager it's running fine...

Pressure is more important, add too much and it won't work :-/
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Old 07-08-2010, 08:14 PM
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The 95 probably has the R12 freon but could be R134 but regardless if its not getting cold enough when its hot you may want to check the condenser (front most radiator) for excessive debris or damaged fins, if you have added a tranny cooler to the front that could also impact it.
You really need to put a set of gauges on it to know if it has enough freon charge.
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Old 07-08-2010, 08:28 PM
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the fan clutch may be worth looking at too, if it is slipping too much you may be getting insufficient cooling....
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Old 07-08-2010, 08:38 PM
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Jimbo123: Welcome to the forum.

To answer ur question, there should be a decal on the radiator support that tells how many pounds of R-134a it holds w/ & w/o rear A/C.
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Old 07-09-2010, 10:46 AM
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with rear A/C 4.0 lbs....with front only, 2.25 lbs...R134
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Old 07-09-2010, 02:16 PM
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Another place to check for debris buildup, albeit much harder, is the evaporator.
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Old 07-10-2010, 09:25 AM
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Quote:
Originally Posted by T5258 View Post
with rear A/C 4.0 lbs....with front only, 2.25 lbs...R134
Thanks T5258!
Perfect answer!
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Old 07-10-2010, 09:28 AM
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Quote:
Originally Posted by 73shark View Post
Another place to check for debris buildup, albeit much harder, is the evaporator.
It's not the Evap, I just put that in a week ago, replaced the condenser, compressor, acculmulator, flushed the lines out...it's just that it didn't have enough freon. I'll add more later today.

Thanks for all the replies..everybody!
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Old 07-10-2010, 09:28 AM
 
 
 
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1995, 95, 96, ac, chevy, condenser, freon, hold, original, oz, refrigerant, remove, tahoe, type, work


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