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04-18-2004, 04:54 PM
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#1 |
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Designated A-hole!
Join Date: Mar 2003
Location: South Mississippi
Posts: 36,450
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What did I tear up?
I am getting a knocking sound from my tranny (th350) when I put it into gear, drive or reverse. No noise in neutral or park, and it goes away when I give it gas. Any help?
Thanks, Krue
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"If it ain't broke, fix it 'til it is!" Being stupid ain't illegal.  We're Still Debt Free Except for the House!!! www.daveramsey.com 70 GMC SWB Stepside project "Green Booger" soon to be 6.0l/4l80e 93 S-10 "Poppaw's Truck" |
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04-18-2004, 05:23 PM
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#2 |
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20' Daredevil (Ret)
 
Join Date: May 2003
Location: Jefferson State
Posts: 13,593
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When my flexplate cracked, it knocked all the time. Maybe yours is cracked, but in a different way?
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
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04-18-2004, 05:47 PM
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#3 |
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PROJECT 7DEUCE
Join Date: Dec 2002
Location: GRANTS PASS OR
Posts: 21,604
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Had the same problem sounded like a light rod knock and it turn out to be the flex plate..
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GO BIG GREEN  GO DUCKSMEMBER #6377 72 k-5 daily driver 6'' lift 35'' 350-350-205 slowly getting rust free. Project "7DEUCE" check out my build http://67-72chevytrucks.com/vboard/s...d.php?t=267665 Tim Powell..R.I.P EastSideLowlife..... R.I.P.. |
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04-18-2004, 06:02 PM
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#4 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Had one with a loose converter, made a butt load of noise(knocking) at idle and steady cruise, fairly quiet when i had my foot in it.
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04-18-2004, 06:20 PM
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#5 |
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Designated A-hole!
Join Date: Mar 2003
Location: South Mississippi
Posts: 36,450
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I need a new flexplate anyways, the teeth on mine are worn pretty bad. Hopefully that's all it is.
__________________
"If it ain't broke, fix it 'til it is!" Being stupid ain't illegal. We're Still Debt Free Except for the House!!! www.daveramsey.com 70 GMC SWB Stepside project "Green Booger" soon to be 6.0l/4l80e 93 S-10 "Poppaw's Truck" |
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04-18-2004, 06:28 PM
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#6 |
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Registered User
Join Date: Apr 2004
Location: Grant, Alabama
Posts: 504
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Does it clunk all the time or just when you put it in and out of gear? If it only does it goin inb and out of gear(shifting into the gears using the shifter, not changing gears driving it) it most likely is a u joint or possibly a mount. If it clunks or knoscks all the time no matter what the trans is doing, it may be a cracked flywheel like everyone else says, or loose flywheel bolts, something that got up into the cnvertor housing or possibly the start pnion not going back into the starter far enough and the teeth are hitting it.
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72 Chevy C20, SOLD (Dang it.) 09 Challanger RT six speed in all black. 74 Datsun 710 wagon, all 1.8 liters of screaming Datsun power. 73 C10 long bed, 350/350 combo, nice shape. |
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04-18-2004, 10:42 PM
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#7 |
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State of Confusion!
 
Join Date: Jul 2002
Location: Gulfport, MS USA
Posts: 46,819
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On the 82, had the same sounding noise and turned out to be U joints...both wereshot to heck.
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Bill 1970 Chevy Custom/10 LWB Fleetside 2010 Toyota Tacoma PreRunner SR5 Double Cab - DD Member of Louisiana Classic Truck Club (LCTC) Bill's Gallery Life isn't tied with a bow, but it's still a gift. Live simply. Love generously. Care deeply. Speak kindly. Leave the rest to God! |
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