Dual AC need complete chargeing directions never charged a dual unit before fixed income so I have to

1999 GMC SUBURBAN
130,000 MILES
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JUST2MU
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  • 1 POST
I have A 1999 GMC suburban 4x4 5.7 eng. Loaded SLT Automatec trany dual AC need complete 134a chargeing directions Please thankyou
John


just2mu@charter.net
100%DAV
Jun 12, 2012 at 9:11 PM
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SATURNTECH9
  • ✓ASE Certified Mechanic
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Its the same way you charge a single unit one it justs holds more charge.
Jun 12, 2012 at 9:16 PM
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