98 XJ Starter bolt sizes? - JeepForum.com
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Unread 09-08-2013, 07:52 PM   #1
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2000 TJ Wrangler 
Join Date: Apr 2008
Location: Philadelphia PA
Posts: 1,101
98 XJ Starter bolt sizes?

Im doing an 32rh to aw4 swap in my tj and am anal about putting bolts back into their holes so i dont lose them, which is usually a good thing.....until you leave the starter bolts in the old trans and then sell it.

so i need to know what size they are.

Before you say it, yes i searched, threee different threads, three diferent answers

Top Bolt is M10-1.5 x 28mm (I used 30mm length with a flat and lock washer stacked)
Bottom Bolt is 3/8-16 x 1 3/4"

being a 10mx1.5 for the bottom bolt. So for anyone thats runs into this will hopefully find this thread in a search. Upper bolt is a 7/16 x 1 1/4.

I just went to NAPA and they gave me a bolt. He just grabbed a 1 1/4" 15mm bolt out of a bin and gave it to me. Now the head size of the actual bolt was 16mm, but the thread was 15mm which is what matters. He simply took a tape measure to it to make sure it was 1 1/4". Hope this helps, I know it's a pain in the BUTT!

I just want to order the right one from mcmaster once and finally drive this jeep again this weekend.

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