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» Hello Spec Miata Community » Spec Miata Archives » Garage 2002-2009 » Broke small bolt for diff mount on subframe - needed?

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Author Topic: Broke small bolt for diff mount on subframe - needed?
Brian Ghidinelli Verified Driver
Moonwalker

Region: SFR
Car #: 12
Year : 99
Posts: 267
Status: Offline
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Grabbed the wrong trigger on the impact and snapped off one of the two small (12mm?) studs on one side of the rear subframe where the diff mount bolts up. It looks like they are there for positioning the differential mount before you lock it in place with the single bigger bolt (17mm I think).

Do I need to drop the subframe and replace that stud or can I get away with one of the two small bolts on one side?

Only one mistake today in ~10 hours of wrenching; I'm pretty happy with myself otherwise! [Smile]

cam Verified Driver
Cheap member

Region: southwest
Car #: 14
Year : 90
Posts: 739
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IMHO, don't worry about thoses. As long as the large center nut is there (17mm IIRC). The small ones have not been on mine for years.

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Brian Ghidinelli Verified Driver
Moonwalker

Region: SFR
Car #: 12
Year : 99
Posts: 267
Status: Offline
Icon 1 posted  Profile for Brian Ghidinelli   Author's Homepage     Edit/Delete Post  Report this post to a Moderator

Thanks for the quick reply - I'll refile my mistake as a nice 0.3oz savings instead!

   

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