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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. Lee Bennett

    Lee Bennett Banned

    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. Twin2

    Twin2 not him 2024 Sponsor 2023 Sponsor 2022 Sponsor

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

    Lee Bennett Banned

    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