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mr.goodwrench, ASE Certified Technician
Category: Chevy
Satisfied Customers: 27
Experience:  25 years exp, 19 years gm master cert., ase master, L1 emission cert
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98 chevy: recharge air conditioner

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Going to recharge air conditioner on a 98 chevy Silverado. How do you tell which line is "In" and which is "Out"??

hi, hope this will help you


suction side(in) is the small fitting inthe acumulator(big aluminum can rt side firewall)

discharge(out) is the big fitting on top of ac comp


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