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Bad Rattle and Blue Smoke 03'

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Old 12-29-2008 | 09:40 PM
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From: NV
Bad Rattle and Blue Smoke 03'

I was coming home tonight, I had maybe 1000lbs of hay on, I wasn't really pushing it. Then all of a sudden I get this bad rattle coming from the engine, kind of like when you have no oil but a lot worse. There was also a noticeable decrease in power, maybe like one cylinder was out. I was able to make it home another 7 miles. It was dark so I couldn't see how much blue smoke was actually blowing out of the tailpipe until I got into my garage. All temps were normal, good boost and coolant was fine. I can't be certain but the oil level could be a little higher on the dipstick then usual, I can't smell diesel fuel. There are no codes at this time. Any educated guesses out there are welcome.

Thanks
Old 12-29-2008 | 11:08 PM
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From: Columbus, IN
Maybe a spun bearing? Maybe a dropped valve or seat? Doesnt sound good thats for sure. Does the sound come from the top of the motor or near the bottom?
Old 12-30-2008 | 06:38 AM
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From: saskatoon,sk
Possible an injector, I had a bad injector and it sounded like a rod was coming through the side of the block.If your oil is up you have probably a cracked or stuck injector.
Old 12-30-2008 | 07:25 AM
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Best guess, Injector
Old 12-30-2008 | 07:53 AM
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From: NV
Originally Posted by masterphreak
Maybe a spun bearing? Maybe a dropped valve or seat? Doesnt sound good thats for sure. Does the sound come from the top of the motor or near the bottom?
Yes the sound seems to be coming from the top more so....
Old 12-30-2008 | 12:59 PM
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From: Kerrville eastern new mexico, west texas
injector or valve seat
Old 12-30-2008 | 01:49 PM
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From: Columbus, IN
How many miles are on your truck?
Old 12-30-2008 | 02:58 PM
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Originally Posted by masterphreak
How many miles are on your truck?
140,000 miles, I'm hoping its only an injector, truck goes in Friday.
Old 12-30-2008 | 09:56 PM
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From: Kerrville eastern new mexico, west texas
miles dont matter have 07 with 3 seats that ropped with 68k on it
Old 01-09-2009 | 01:19 PM
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Did you find out what was wrong with your truck?
Old 01-09-2009 | 03:48 PM
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From: NV
Originally Posted by masterphreak
Did you find out what was wrong with your truck?
Yep, I just found out what the problem is last night. It seems the exhaust valve seat on the #4 cylinder came loose and a 1/4 chunk got on to the piston and marked it up a little. The cylinder is good. So we'll see if they can drop the oil pan and replace the piston or if more has to be done to get at it. The head is off today to the machine shop to be re-done. According this this mechanic he has seen this as a common problem on the 03's on the same cylinder, can anyone confirm?
Attached Thumbnails Bad Rattle and Blue Smoke 03'-head.jpg  
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