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  • 59143 replied to the topic vacuum pump leak in the forum Cessna 172 Forum 1 week ago

    removing the old oil seal in the vacuum pump mount was a bit of work and installing the new seal was done with an old socket and a dead blow hammer but the fit seems perfect. ops check will tell the outcome.

  • 59143 replied to the topic vacuum pump leak in the forum Cessna 172 Forum 1 week, 2 days ago

    Ed,

    thanks. are you referring to the internal oil seal? and if so how do I remove the old seal?

     

    John

  • My 1972 172L with a Lycoming O-320 E2D engine has a persistent leak at the vacuum pump mounting, which it came with when I bought the plane, only now it has gotten more pronounced. It appears that the leak is at the mounting point on the engine and a puddle of oil is present. At the last annual I replaced the accessory adapter gasket and the…[Read more]

59143

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active 1 week ago