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April 4th, 2010, 04:20 AM
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#1 |
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Regular
Join Date: Mar 2008
Posts: 107
 iTrader: 1 reviews
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Possible Rod Bearing... Help
Watch the videos below for the sound...
Scenario - I'm getting a ticking / knocking noise from cylinder 8. I originally lost a lot of power, which I thought was due to the tick. I ran the codes and had a misfire in cylinder 4 and 7. So I replaced all of the plugs and coils. Runs great now. However the tick is still there. Even when I pull the connection for cylinder 8, the tick / knock remains. I thought if it were a rod bearing the tick / knock would stop when pulling the electrical connector on top of the coil. The plug has not blown out either. I'm stuck. Any suggestions as to what it could be? Tick starts at 1:03 Ignore the loud power steering... listen for the tick My Motor... |
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April 4th, 2010, 11:51 AM
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#2 |
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Regular
2003 Mustang Gt
N/A
Join Date: Sep 2009
Location: Oside
Posts: 370
iTrader: 0 reviews
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yeah buddy i hate to say it but it sounds like a rod knock. i had a bad one on my 98 gt and it got so bad that the bearing just shredded and locked up my motor.
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April 4th, 2010, 11:59 AM
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#3 |
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Regular
Join Date: Jun 2006
Location: Central Florida
Posts: 330
iTrader: 0 reviews
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Your about to throw a rod. I had the same thing happen on my car. It started as a low tick and over the course of about 3 weeks got louder till it just let go on my way home from work, worst sound ever! I guess it was a good since I got to replace it with a nice low milelage PI motor, its fun to drive now and I cant stop modding it.
__________________
 1997 Mustang GT 04 PI 2V, bolt ons, gears, tune 255/292 www.covertmotorsports.net |
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April 4th, 2010, 08:34 PM
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#4 |
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Newbie
2002 Mustang GT
Join Date: May 2009
Location: Michigan
Posts: 41
iTrader: 0 reviews
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I would say the is idle is affected as well as power issues then I'd look toward a lash adjuster, as this is a common part to fail on the 4.6L. Ford had issued a fix for the famous tick, by putting shims under the adjusters. Run a compression test on the cylinders to make sure. If the rods are in need of freshing then I would say get a full refresh as bearing material has circulated threw the engine.
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April 4th, 2010, 08:45 PM
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#5 | ||
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I Have Many Leather Bound Books
 
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A rod bearing has spun, and the bottom end needs to come apart and have new bearings and such replaced.
Continuing to run the motor in this condition could result in seizure of the spun bearing, which could cause a connecting rod to snap in half and thus cause catastrophic damage to the engine block.
__________________
 BONER CREW EMPLOYEE - BWAL, CEO
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April 7th, 2010, 11:35 PM
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#6 |
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Regular
2000 GT Vert
Join Date: Oct 2009
Location: Logan, WV
Posts: 70
iTrader: 0 reviews
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OK, im speaking from experience on this one. Its a spun rod bearing. JUST going through the same thing as you. Here's a vid from when i took it apart
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