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V5 A/C compressor teardown / re-seal...

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  • V5 A/C compressor tear down / re-seal...

    Pictures of tear down and re-seal of Harrison V5 air conditioning compressor. These are very common on the 60°V6 engines. They are very costly as a re-manufactured unit. The parts to re-seal them are about $30.

    I did this write-up for another forum but figured it would have interest here.

    I started with this unit. I had it on my 1972 Chevy Nova until it started leaking around the housing o-rings. It still cooled fine, it would just lose freon over about a 2 month period. It will go on a 2.8 carburetor engine in an older a-body car. I will be changing the pulley to a vee-belt pulley.
    Click image for larger version

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    First, remove shaft nut and install compressor clutch hub puller.
    Click image for larger version

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    Remove clutch hub, making sure not to lose the key!
    Click image for larger version

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    Remove the snap ring that retains the pulley to the compressor.
    Click image for larger version

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    Install a puller, making sure the puller bolt ONLY presses on the neck of the compressor, NOT the shaft. The socket sits on the neck, protecting the shaft.
    Click image for larger version

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    The pulley off. I will be changing this out for a vee-belt pulley.
    Click image for larger version

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    • Tbay99Venture
      #5
      Tbay99Venture commented
      Editing a comment
      +10 on the problem aligning the pistons if they pop out. I did that once with a Sanden. My biggest problem comes back to keeping everything clean. He makes it look easy, for some of us that's 100% attention to keep things clean. I think 60degreesBelow0 mentioned some nitrogen flushing tips, maybe I'm confusing posts. That would be helpful to link from this.

    • bszopi
      #6
      bszopi commented
      Editing a comment
      Pics are now hosted here. Clicking on the pictures will show the full size version, if needed. I also split it up into multiple pages so make load time faster, as well as making it easier to follow.

    • davida1_hiwaay_net
      #7
      davida1_hiwaay_net commented
      Editing a comment
      Thanks for hosting the pictures here! My home computer has just a limited number of connections it can handle.
    Posting comments is disabled.

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    Pictures of tear down and re-seal of Harrison V5 air conditioning compressor. These are very common on the 60°V6 engines. They are very costly as a re-manufactured unit. The parts to re-seal them are about $30. I did this write-up for another forum but figured it would have interest here. I started with this unit. I had it on my 1972 Chevy Nova until it started leaking around the housing o-rings. It still cooled fine, it would just lose freon over about a 2 month period. It will go on a 2.8 car...
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