Question about 2001 GMC Yukon XL

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I need to re charge my air conditioner in my 2003 Yukon XL. How do I do this?

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  • yadayada
    yadayada May 11, 2010

    do u have an AC evacuation pump? do u have a set of AC gauges? if not leave it to the pro's

  • yadayada
    yadayada May 11, 2010

    there are allot of parts in a automotive system, what are u replacing.



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Well first question is
1. does it have a leak in the system?
2. was the system open for any leanth of time?
3. did the compressor lock up causing the system to fail?
4. if the compressor did fail, then the system will require a rebuild....compoints replaced and flushing of the no replaced parts.

if you answered no to thies questions then

if the system is empty....

1. to properly charge a system it need to have a vacum drawn on it to 30lb for min of 15 mins.
2. then there ststem ( depending on the last service it receved or miles on the system) i might require sever ounces of pag oil
3. once these requirements are met, the proper amount of 134a need to be charged to the system.
this is done thru a scale or other mesurement device....just adding cans of 134 will not work properly ( back in the age of R12 a system could be severl ounces off and still work properly, 134 require an almost exact amount to work )
4. once the system is charged,,,cycle the a/c on and off severl times to flow the pag oil into the system.
this should do the trick. but it require specility tools.

if the system is low ( only from a leak in the system some where)
you MIGHT try the auto parts answer to a/c charging and place a do it your self charge up kit to it.... will have a guge and proper attachments....
2.follow the directions and hope for the best...... but again.,...this might buy you a little time....
3. a problem still is with the system and will run low again causing it to shut down due to lack of proper presures.......

with people hunting to fix what they have try a local reputable A/C / Radatior shop with the proper equipement....but ask for prices and if there are any deals to be had....a smart shoper is always better then a poor consumer...... i hope i helped...good luck :)

Posted on Jul 02, 2009


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