1993 Mercury Sable Going from R-12 to 134A

1993 MERCURY SABLE
85,000 MILES • 6 CYL • FWD • AUTOMATIC
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COWBOYFESTUS
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  • 1 POST
I need to recharge my air with 134A,but i dont know which is the high side and which is the low side.I have 2 fill tubes.One is on the back firewall and one sticks up on the right side of the radiator.I would to know which one is the low side and which is the high side.
Thank You,
cowboyfestus
Feb 10, 2008 at 4:44 AM
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MERLIN2021
  • CAR REPAIR CONTRIBUTOR
  • 17,250 POSTS
The low side is on the firewall, and is on a larger diameter hose, On Fords you need an adapter on the high side, the low side fits right on the gauge hose.
Feb 10, 2008 at 7:58 AM
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