(3) 15MM Alternator Bracket bolt pitch and thread ?
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From: Lexington, Ky
(3) 15MM Alternator Bracket bolt pitch and thread ? Well, it appears that whomever reinstalled the alternator bracket on my car put the bolts in so tight that it stripped the threads on 2 of the 3 alternator bracket bolts that bolt into the block.
I have been having this weird groan noise for over three months now and I happened to notice my alternator bracket had a gap b/w itself and the engine block. I go to tighten them and they catch then just spin. I pulled out the bolts and 2 of the 3 had threads in them. I tightened 2 of the 3 as best I could and guess what, GROAN is gone!
So, I need the pitch and thread of the bolt so I can buy NEW bolts and helicoil the stripped threads in the block. Does anyone have this info? Also, is it FINE or COARSE thread? Thank you!
The blocks are aluminum and hence the threads can strip easy, I don't know why someone would put them in so tight. This is why TORQUE WRENCHES and a bit of patience goes a LONG way.
I have been having this weird groan noise for over three months now and I happened to notice my alternator bracket had a gap b/w itself and the engine block. I go to tighten them and they catch then just spin. I pulled out the bolts and 2 of the 3 had threads in them. I tightened 2 of the 3 as best I could and guess what, GROAN is gone!
So, I need the pitch and thread of the bolt so I can buy NEW bolts and helicoil the stripped threads in the block. Does anyone have this info? Also, is it FINE or COARSE thread? Thank you!
The blocks are aluminum and hence the threads can strip easy, I don't know why someone would put them in so tight. This is why TORQUE WRENCHES and a bit of patience goes a LONG way.
Last edited by CANNIBAL; Mar 23, 2004 at 02:12 PM.
Thread Starter
TECH Senior Member
iTrader: (4)
Joined: Nov 2001
Posts: 7,000
Likes: 1
From: Lexington, Ky
2xLS1 came through for me.
The (2) that pass through the (2) alternator mounts and then into the block are:
PART #: 11516513 and are M10x1.5x125
The one that passes through just the bracket and into the block is:
PART #: 11516360 M10x1.5x90
I LOVE THIS FORUM!
Thanks, 2xLS1!
The (2) that pass through the (2) alternator mounts and then into the block are:
PART #: 11516513 and are M10x1.5x125
The one that passes through just the bracket and into the block is:
PART #: 11516360 M10x1.5x90
I LOVE THIS FORUM!
Thanks, 2xLS1!
