GM B-Body Forum, 77-79 Caprice/Impala Forum

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GM B-Body Forum, 77-79 Caprice/Impala Forum

Join Now If Your A 1977- 1979 Caprice or Impala owner or other GM B-Body owner!!!
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GM B-Body Forum, 77-79 Caprice/Impala Forum

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GM B-Body Forum, 77-79 Caprice/Impala Forum

A forum for the owners and enthusiasts of General Motors B-Bodies from 1977-1990, but dedicated to the owners of 1977-1979 Impalas and Caprices. Join up now!


2 posters

    A/C Evaporator Condensed Water Drain

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    paulboncz
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    Post  paulboncz Thu Jun 22, 2017 2:41 am

    Would someone please tell me where to look for the A/C evaporator drain opening on my '78 Impala 305. The drain is apparently plugged since i get decent cooling but zero water seeping to the ground. Thanks.
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    Post  GM B-Body Forum Fri Jun 23, 2017 9:10 pm

    Its kinda hard to get to, you'll have to loosen the inner fender wheel well to reach it, but its on the bottom left hand side if your facing the front of the car. Its a rubber flap and its a decent size so must have a lot of debris built up in there!
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    Post  GM B-Body Forum Fri Jun 23, 2017 9:28 pm

    The second picture down there's a long flap right under where the blower motor sits https://www.gmbbodyforum.com/t46-leaking-heater-box-disassembly?highlight=Heater+box

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