97 Jimmy, Freon low in A/C unit

jeretiredjeretired Member Posts: 2
edited May 2014 in GMC
Hi,

I've got a 97 Jimmy with 110K miles. A/C unit not putting out cold air, so will have to add freon. Are there any tips or tricks I should know about prior to attempting this procedure?

Appreciate any comments........

Jeretired

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