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04-15-2014, 06:59 PM
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#1 |
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Registered User
Join Date: Mar 2014
Location: Atlanta GA
Posts: 94
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unknown knock
I have a 68 307 with an auto 350 trans. there's a knocking noise coming from the front near all the pulleys.. I have the main drive pulley, fan, and alt. I've checked the fan it doesn't wobble and isn't loose, I checked my temp with a thermometer registered just over 150 so I figure the water pump is fine. the main drive pulley looks like it wobbles n so does the fan its hard to tell which one it really is with it all tied together.. I already took the plug wire out one by one and it still knocked it sounds like its from the front...
any suggestion? or troubleshooting? |
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04-15-2014, 07:09 PM
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#2 |
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Registered User
Join Date: Apr 2013
Location: South Westerlo, New York
Posts: 1,325
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Re: unknown knock
You could remove the fan belt and start it to see if it still knocks.....
__________________
Thanks, Joe.. 1969 C/10, 348 C.I., 3X2 bbl. V8, 2004r , LWB. |
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04-17-2014, 08:25 PM
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#3 |
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Registered User
Join Date: Mar 2014
Location: Atlanta GA
Posts: 94
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Re: unknown knock
bent rod it locked up today
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04-17-2014, 08:40 PM
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#4 |
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Registered User
Join Date: Feb 2008
Location: Tacoma Washington
Posts: 890
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Re: unknown knock
Nobody wanted to say rod bearing, but it always lurks...good luck with your motor adventure! Build thread?
__________________
I know a guy who's addicted to brake fluid. He says he can stop any time. 72 K10 396 75 Cj5 MPI 350 Chev 67 Chevelle 396, 4 speed 74 FXE 08 Tahoe |
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04-17-2014, 09:41 PM
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#5 |
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Registered User
Join Date: Mar 2014
Location: Atlanta GA
Posts: 94
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Re: unknown knock
im preparing to move to GA but after we move its full sped ahead in juneish ill have a 350 ready to burn some rubber :>
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