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Heater Plenum Maintenance

Discussion in 'Early CJ5 and CJ6 Tech' started by Lee Bennett, Mar 11, 2019.

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  1. Mar 11, 2019
    Lee Bennett

    Lee Bennett Banned

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    Surely the diaphrams in the flappers on my 70's heater plenum must be dry. Should I spray some kind of silicone spray in them to keep them going?
     
    Lee Bennett, Mar 11, 2019
    #1
  2. Mar 11, 2019
    Twin2

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    test then with a mighty-vac
    just to see if they are still good
     
    Twin2, Mar 11, 2019
    #2
  3. Mar 11, 2019
    Lee Bennett

    Lee Bennett Banned

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    Have test and they work well. Just wanting to protect them so they will continue to work. Maybe soften the rubber inside.
     
    Lee Bennett, Mar 11, 2019
    #3
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