[AT] OT drain plug size

[Stephen Offiler]

1.  Knipex pliers are awesome
2.  I don't think you could get an M14x1.5 plug even 1/2 turn into a 1/2-20
threaded hole, but *maybe* if both male and female have generous lead-in
chamfers.  M14 is 0.551", 10% larger in diameter than 1/2".  And the 1.5
pitch, easier to do this metric; 20 TPI is a pitch of 1.27 which also isn't
very close.  A caliper will tell the tale.

SO


On Mon, Sep 30, 2019 at 10:07 PM Cecil Bearden <crbearden at copper.net> wrote:

> This is one of my parts getter vehicles for the old tractors.
>
> My 2017 Grand Caravan oil plug rounded off with a 6 point socket. I have
> no idea how the plug could get so tight running, but I changed the oil the
> last time myself and did not over tighten the plug. I rounded the head of
> the plug off with an impact socket. Had to borrow a pair of Knipex
> alligator pliers from a friend to get it loose. He had to use both hands
> and push against the tire to get it broke loose. I got a replacement from
> O'reilly auto parts. It stated the plug was a M14x1.5 However it will not
> screw in 1/2 turn before it freezes up. I put in the old plug as I had no
> choice. The mopar number is MOPAR 6506214AA but this crosses over to the
> M14 x 1.5 plug that I had. A thread on the earlier generation models stated
> that some had a 1/2 -20 threaded plug as it had not changed over to metric
> completely. Anyone had this experience??
>
> Cecil
>
>
> --
> --
>
> Francis Robinson
> aka "farmer"
> Central Indiana USA
> robinson46176 at gmail.com
>
>
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>
>
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