Rattling Noise - Ford Powerstroke Diesel Forum
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Old 06-22-2011, 05:53 AM
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Rattling Noise

Hi all, Im new here and I am new to diesel engines. I recently bought a 2005 F350 with the 6.0L Powerstroke 110k miles no tuner Ive had it for a couple of weeks with no problems. The guy I bought it from just had the turbo rebuilt and injectors replaced less than a year ago. I was out driving the other day and kinda got on it a little bit. Just a fast acceleration (I didnt spin the tires or anything). And now I hear a rattling / grinding noise down by the catalytic converter when I'm going at least 10 mph. If im in park I can rev the engine all I want, no noise. If I start to take off I dont hear it until I'm going like 10-15 mph, and same when I slow down it stops when I get below 10-15 mph. Could this be a transmission or torque converter problem? Any ideas? Thanks in advance
Eric
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Old 06-22-2011, 08:12 AM
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Curious to what answers you get here. I just got something similar this in my truck yesterday. I have an 06 with 108K. Mine is a rattle/clicking that keeps up with the accelration of the engine, but only when in gear, not in park. I can barely hear it after 15 mph, but pretty sure it is still there, but very noticable under 15mph. The only difference is, mine sounds like it directly behind or below the steering wheel or firewall.

Does your noise keep up with the RPMs or stay constant regardless of engine rev?
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Old 06-22-2011, 08:17 AM
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Yeah my noise is in that same general area, sounds like its down below my feet somewhere. Mine too does kinda wind up a little when I go faster and is less noticeable at higher speeds. It only stops when I go below 10-15 mph??
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Old 06-23-2011, 04:12 AM
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My noise went away last night.. I think there might be a heat shield or part of the exhuast making the noise...
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Old 11-22-2011, 07:47 AM
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Same story with mine 109k 2006. Any fixes?
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Old 11-22-2011, 01:43 PM
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It might be the u joints in the front drive shaft. I had a same type of noise I felt it under my driver side floor board. I removed the front drive shaft and it went away. I have grease fittings in the joints but it didn't help. Also if you don't want to remove the drive shaft try putting it in four wheel see if it gets worse or goes away.

Sent from my ADR6300 using AutoGuide App
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Old 12-03-2011, 01:00 PM
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Rattiling Noise

I also have a rattiling noise from my 6.0 (2005, F350 Auto 4x4 218,000) and was looking for others who had it and a solution. My suspision is that it is a injector going bad. The weather is getting colder, the oil thicker and the injecter spool valves sticker. I believe the reason it comes and goes based on speed/acceleration is the injecter has not completley failed but is intermitant. I have not heard what the 6.0 sounds like with a completlely failed injector, but the old 7.3IDI sound like a bad rod bearing when the injector completly fails.
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Old 12-08-2011, 05:46 PM
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Quote:
Originally Posted by Byrd82 View Post
It might be the u joints in the front drive shaft. I had a same type of noise I felt it under my driver side floor board. I removed the front drive shaft and it went away. I have grease fittings in the joints but it didn't help. Also if you don't want to remove the drive shaft try putting it in four wheel see if it gets worse or goes away.

Sent from my ADR6300 using AutoGuide App
If you are in 2wd and the hubs are unlocked then your front driveshafts should not be turning. It might be different on the IFS trucks but I doubt it.
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