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#1
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What is this stuff on a pulley bolt?
After I removed the timing belt I checked all the pulleys for slop or rattle. All were solid but, a lower idler pulley so I pulled it. All the pulleys I removed to get at the oil pump were tight, too tight I think. Here are some pictures of the stuff that came out of the bolt hole wrapped around the bolt threads:
I first thought it was thread lock. It looks like aluminum, it's silver and acts like metal, a baby coil spring with pieces. Is it threads from the hole? I put the pulley back on after I cleaned the bolt, the bolt snugged right up and the pulley did not rattle, it was solid. Should I use thread lock on the pulley bolts when I put every thing back together? There is a piece above the oil pump that has what I think are 2 crank sensors, do I need to remove it to get the oil pump out?
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LS-L 92 black top silver bullet-Turned into a 2005 Jeep TJ Unlimited 2012 Outback 3.6R Limited! |
#2
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Re: What is this stuff on a pulley bolt?
that really looks like aluminum shavings..swarf as we call it at work....
i think you might have stripped the block?
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1992 Subaru SVX LS~L Ebony Pearl 1992 Dodge Stealth R/T Firestorm Red 1992 Subaru SVX LS~L Pearl White 1992 Subaru SVX LS~L Ebony Pearl JDM 6MT/DCCD 2007 Subaru Legacy Spec B. Diamond Grey Metallic |
#3
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Re: What is this stuff on a pulley bolt?
Quote:
What about: the bolt tightened up nicely after removing the stuff on the bolt threads? I don't think the hole is stripped, cause the the re-insursion of the bolt was good. If material was removed from the hole, would thread lock help in replacing that material? Define "swarf":confused :
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LS-L 92 black top silver bullet-Turned into a 2005 Jeep TJ Unlimited 2012 Outback 3.6R Limited! |
#4
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Re: What is this stuff on a pulley bolt?
Where do you work?
__________________
LS-L 92 black top silver bullet-Turned into a 2005 Jeep TJ Unlimited 2012 Outback 3.6R Limited! |
#5
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Re: What is this stuff on a pulley bolt?
That sure looks like aluminum shavings...
Try to pry the new bolt out a bit after threading it in... if you can pry it out, that is block, and you need to heli-coil it.
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Greg 97 Red SVX LSi clean 96 Black SVX LSi beater 90 Red Eclipse GSX track ho 99 Ford F250 work horse My Locker |
#6
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Re: What is this stuff on a pulley bolt?
Maybe it was striped previously, drilled and tapped.
I have heard of that being done and screwing in an insert that matches the correct bolt threads. could have been enough of the metal stuff that didn't come out to hold the bolt in tight. Did you torque the bolts? If this makes no sense, it is because I don't understand all I know about it. Keith |
#7
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Re: What is this stuff on a pulley bolt?
That's it, someone already heli-coiled it!
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#8
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Re: What is this stuff on a pulley bolt?
looks like someone already heli-coiled it!
That was what I was trying to say! |
#9
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Re: What is this stuff on a pulley bolt?
Quote:
Remember, when I put the bolt back in, the pulley snugged up nicely, I did not torque it then, afraid of stripping the hole. Anyone experienced this?????
__________________
LS-L 92 black top silver bullet-Turned into a 2005 Jeep TJ Unlimited 2012 Outback 3.6R Limited! |
#10
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Re: What is this stuff on a pulley bolt?
swarf is just aluminum shavings
i work at bombardier - aircraft assembler nothing but aluminum...well most of it at least ~
__________________
1992 Subaru SVX LS~L Ebony Pearl 1992 Dodge Stealth R/T Firestorm Red 1992 Subaru SVX LS~L Pearl White 1992 Subaru SVX LS~L Ebony Pearl JDM 6MT/DCCD 2007 Subaru Legacy Spec B. Diamond Grey Metallic |
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