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Awesome thanks. I heard somewhere that shops won’t touch an R12a ( the duracool/red tek stuff) because it contaminates their r134 system so I kept thinking I’m on my own. But sounds like if I can find a leak, replace the part or o-rings myself then have a shop charge it so I don’t have to buy a vacuum pump or manifold gauge. This is good news! I can’t take the heat anymore!
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There must be several garages selling and installing 12a.
I got it at a garage in 2006 and about 7-8 years ago I took my fathers car to a garage for some work and heard a mechanic talking to a customer about using 12a.
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Back in the day I replaced the heater core in my parents 71 Comet and grandfathers 77 Cutlass.
It was so easy to replace in those cars.
Heater box was easy to access without having to pull back the dash.
Why can't they design them like that anymore.
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My wifes '88 Park Ave had an access door, hardest part was disconnecting hard to reach heater hoses, two screws on the access door and it was out.
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Even on a Fox.....86 and older with no AC the heater core is simple to do -access door right there in the glove box - takes longer to drain the coolant.
Not sure why they decided to complicate things when they added the AC parts to the heater box.