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Thread: Transmission pan & RTV gasket

  1. #1
    Denny B
    Guest Denny B's Avatar

    Default Transmission pan & RTV gasket

    Purchased a transmission filter kit
    for my 2006 Dodge caravan 3.3L from NAPA.
    Kit has , filter, O ring and rubber
    transmission pan gasket. This will be
    first filter and fluid change on vehicle.

    As I understand it, as the vehicle now
    stands the transmission pan gasket does
    not have a rubber gasket but Mopar ATF RTV
    MS-GF41 ( silicon? )
    Will I have any known problems getting
    the pan off with this RTV?

    The manual tells you to put a 1/8 inch bead
    of the above on the Transmission pan when
    replacing it. It also says put this RTV under
    the bolt heads.
    I want to use the rubber pan gasket that came
    with the kit.

    Is there a preference between a rubber gasket
    and RTV?

    Thank you in advance
    Denny B

  2. #2
    Ted Mittelstaedt
    Guest Ted Mittelstaedt's Avatar

    Default Transmission pan & RTV gasket

    "Denny B" <dmrbap@telus.net> wrote in message
    news:rD14k.925$sg6.441@edtnps91...
    > Purchased a transmission filter kit
    > for my 2006 Dodge caravan 3.3L from NAPA.
    > Kit has , filter, O ring and rubber
    > transmission pan gasket. This will be
    > first filter and fluid change on vehicle.
    >
    > As I understand it, as the vehicle now
    > stands the transmission pan gasket does
    > not have a rubber gasket but Mopar ATF RTV
    > MS-GF41 ( silicon? )
    > Will I have any known problems getting
    > the pan off with this RTV?
    >


    Yes, unless the sealant has failed. This is a
    great way to get a transmission fluid bath.

    Here is what you do.

    Jack the van up into God's .... Remove
    all pan bolts.

    Get a HUGE pan to catch the fluid, put it
    under the trans.

    Put a big crowbar under the front corner
    of the pan.

    Put a floor jack under the other end of the
    crowbar. Start slowly jacking up the jack,
    this will gradually increase the prying pressure.

    If your lucky the pan will start to detach at the
    corner, if so, immediately let off the jack a
    bit until all the fluid has poured out.

    If your not lucky the pan will fight you, the
    pressure will get higher and higher until with
    a sudden CLANG the pan will come flying off
    and a gallon or so of transmission fluid will
    come dumping out. If you are under it you
    will get a fluid shower, that is why you do
    not want to be under it, you want the floor jack
    to be under it.

    While you have the pan off, take it to a trans
    shop and they drill a hole in the bottom and
    weld a nut and washer to the inside of the hole
    and insert an allen-head screw into the nut
    from the outside, instant drain plug.

    > The manual tells you to put a 1/8 inch bead
    > of the above on the Transmission pan when
    > replacing it. It also says put this RTV under
    > the bolt heads.
    > I want to use the rubber pan gasket that came
    > with the kit.
    >
    > Is there a preference between a rubber gasket
    > and RTV?
    >


    If the sealing area of the trans is damaged (gouged
    or whatever) the gasket will not work. Otherwise it
    will work fine and no sealant is required.

    Ted

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