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Engine Tech Technical discussion related to all relevant engines such as KA, SR, RB, CA, 2JZ , L24/26/28, VG, VQ, and LSx series. |
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08-24-2012, 07:58 PM | #1 |
Stripped idler gear bolt
Hello, my name is Clint.
I have a ka24de in my s14. I am not the original owner of the vehicle. The problem The bolt that holds the cam chain idler gear in place is stripped out in the head. I am not sure if the correct bolt was used, or if the thread was just stripped. Second problem I have called the dealer and they somehow don't have the dimensions of the bolt, the only place I have heard of one being is in North Carolina, and I am in Texas. I need the metric measurements of this bolt. I am basically at a stand still, and my car is apart in the garage right now. The machine shop says they don't want to helicoil it unless we know for sure we have the correct bolt. If we don't have the right bolt, it's never going to be as reliable and could cause a lot of damage. I have checked google and I have called the dealers. My car has been apart for about 2 weeks now because of this. So I finally came here. I'm not trying to be lazy, I've done my research. Also being that this is one of my first posts, I hope this is in the right section, if not.. I apologize. |
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08-24-2012, 10:36 PM | #2 |
Zilvia FREAK!
Join Date: Aug 2005
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that bolt will be a queer thread. It will not be a common helicoil size.
Any machine shop can measure a metric bolt. Give them the bolt and first you measure the size of it with a set of calipers, then you measure the teeth using a little fold out tool. Find the thread out and then find your options. Either swap the head or you may want to get a keensert installed and staked into place.
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08-25-2012, 01:53 AM | #4 |
@TheWolf, yeah it seems simple. That's exactly what I thought. Except because the thread is stripped, we're not even sure if its the right bolt, and that may be why it's stripped in the first place. Or it could be the correct bolt, and they torqued it wrong.
basically I need to figure out the actual bolt that's meant for it. I can't find that information anywhere for some reason and the dealers can't either, so they say. |
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08-25-2012, 01:55 AM | #5 |
yeah it seems simple. That's exactly what I thought. Except because the thread is stripped, we're not even sure if its the right bolt, and that may be why it's stripped in the first place. Or it could be the correct bolt, and they torqued it wrong.
basically I need to figure out the actual bolt that's meant for it. I can't find that information anywhere for some reason and the dealers can't either, so they say. |
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08-25-2012, 08:22 AM | #6 | |
Zilvia FREAK!
Join Date: Aug 2005
Location: Orange Park, FL (Jax)
Posts: 1,468
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08-25-2012, 03:26 PM | #7 | |
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Thanks for the replies though guys, this one sorted itself out after all. I was just extremely annoyed by this whole thing. I appreciate the help though. :] |
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Tags |
bolt, head, idler gear, idler gear bolt, stripped |
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