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G3GM 1973 to 1977 A-bodys. Chevelles, Monte Carlos, El Caminos, Laguna, 442, Cutlass, Malibu, GTO, LeMans, Century, Regal, Grand Am, Grand Prix, Sprint, Gran Sport, Can Am, Hurst-olds, and other 73-77 A-bodies


A/C question

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G3GM :: G3 :: General Discussion

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A/C question Empty A/C question

Post by JF74chevelle Thu Jul 06, 2017 1:20 pm

Can I take out the AC unit on the firewall and the compressor and all the fitting and lines and still have a functioning heater? My AC is broken and it looks ugly under the hood and I'm building a new motor I don't want hidden under all those lines and compressor.
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A/C question Empty Re: A/C question

Post by thatfnthing Thu Jul 06, 2017 3:55 pm

Technically you should be able to, since the heater and A/C cores are separate. However, the wiring for both systems is intermixed in the same harness, and you'd have to be sure to seal up all the firewall penetrations when you remove the A/C housing, as well as the unused vacuum control lines...
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Post by JF74chevelle Thu Jul 06, 2017 4:05 pm

Okay thank you, that is along the lines of what I was thinking
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A/C question Empty AC housing

Post by S3SS Fri Jul 07, 2017 6:51 am

Hole in firewall is larger under AC housing vs a non-AC car heater box.
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