PontiacBonnevilleClub.com • 1989 Bonnie caliper bolts

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1989 Bonnie caliper bolts

Posted: Sat Apr 01, 2017 10:12 pm

by nailbomb3

Anyone know offhand what size Torx driver is needed to install and remove the bolts ? Thanks !

Re: 1989 Bonnie caliper bolts

Posted: Sun Apr 02, 2017 12:49 am

by J Wikoff

Well, 92-99 is a 3/8" Allen socket. I thought 87-91 was the same.

Re: 1989 Bonnie caliper bolts

Posted: Sun Apr 02, 2017 12:51 am

by nailbomb3

No it's indeed torx.

Re: 1989 Bonnie caliper bolts

Posted: Sun Apr 02, 2017 5:10 pm

by rustyroger

Perhaps they were replaced with bolts from a later car?. My guess is T50 or T60 for a bolt tightened as much as a caliper bolt.

Roger.