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Old 07-24-2010, 03:29 AM   #5
bass_caster
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Re: 98 chevy blazer with AC problem after freon charge

Quote:
Originally Posted by old_master View Post
As little as 2 ounces plus or minus can make a big difference. The ONLY way to know how much refrigerant is in the system is to drain and evacuate it to 29"Hg for a minimum of 1 hour, then charge with 30 ounces of R134a. <<<1998 factory spec.
the kit that i bought came with 3 cans of refridgerant. they were each 12oz cans containing 10oz of r134a and 2oz of oil. can i still put 3 full cans in? the 3 full cans will still equal 30oz of r134a, but a total of 36oz of material.
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