knock??? - Ford Powerstroke Diesel Forum
 
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post #1 of 7 Old 04-25-2011, 05:59 AM Thread Starter
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knock???

some of yall might remember me from about a year ago. i had an 04 f250 and sold it because i couldnt afford it anymore. well im back and trying to buy another diesel. i found an 08 kingranch cc/lb 4x4 thats deleted and super clean.

only problem i have with this truck is it has a kinda knock in the topend of the motor, but i honeslty think its a normal noise and not something to be worried about. i just wanna make sure since i cant afford to replace a 6.4l lol
i guess my question is does the delete normally make the motor louder? obviously the exhaust is going to be alot louder but idk about this noise in the motor.

2008 F250 6.4 CC SB Fx4
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post #2 of 7 Old 04-25-2011, 10:55 AM
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THIS MAY OR MAY NOT APPLY TO THE PARTICULAR NOISE YOU ARE HEARING, BUT THOUGHT I WOULD POST THE INFO FOR YOU ANYWAY.

TSB
09-16-2 6.4L DIESEL ENGINE TICKING/TAPPING NOISE

Publication Date: August 3, 2009

FORD: 2008-2010 F-Super Duty


This article supersedes TSB 08-19-5 to update the vehicle model years.

ISSUE:
Some 2008-2010 F-Super Duty 250-550 vehicles equipped with a 6.4L diesel engine may exhibit a random engine ticking / tapping noise that is most noticeable when engine coolant temperature is 185 F (85 C) or higher and from base idle to approximately 1500 RPM. Some customers may complain that this noise becomes more evident after 3000-5000 miles have accumulated on the vehicle or after an engine oil change.

ACTION:
Refer to the Service Procedure for repair recommendations.

SERVICE PROCEDURE

The ticking / tapping noise is most noticeable at the rear of the driver's side front wheel well. 6.4L Powerstroke diesel engines exhibit this normal audible condition (some engines will exhibit greater audible noise due to engine build variations). 6.4L Powerstroke diesel engines are manufactured to tight tolerances in order to meet strict durability and reliability standards.

This noise is caused by the relationship between engine block, crankshaft journals, bearing inserts and oil viscosity / film. This relationship allows a pulsation that resonates through the cylinder block and is heard as a metallic ticking noise. This condition is present on all diesel engines.

Technological improvements and overall noise reduction in today's diesel engines make this issue seem new when in fact it was masked by other noises on previous engines. Other engine manufacturers report similar conditions in their diesel engines. Vehicle testing and engine teardown analysis have confirmed this condition will not effect reliability or long term durability of this engine. Dealers should not attempt to perform vehicle to vehicle noise comparisons. This may lead to incorrect conclusions and ineffective repairs.

NOTE: DO NOT ATTEMPT REPAIRS FOR THIS NORMAL NOISE CONDITION. REPLACING THE ENGINE OR INTERNAL COMPONENTS WILL NOT REDUCE OR ELIMINATE THE TICKING/TAPPING NOISE. PLEASE PROVIDE THIS BULLETIN TO CUSTOMERS THAT INQUIRE ABOUT THIS CONDITION.
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post #3 of 7 Old 04-25-2011, 11:07 AM
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wow, thanks for the info techie ...i noticed this noise in my truck a while back before i tuned it and i always thought it was just normal engine noise, and yes when you tune and delete the 6.4 the engine get slightly louder, i noticed that once in installed my H&S about 2k miles into it, it got slightly louder but all in all its bad *** now!!!!!


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post #4 of 7 Old 04-25-2011, 11:57 AM Thread Starter
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awesome info. now i just need to go drive the truck and see how it runs. all i have done is start it and listen to it. it was blocked in by a couple other cars when i was looking at it and we couldnt get the keys to the other cars

2008 F250 6.4 CC SB Fx4
Gearhead tunes, flopro exhaust,AFe intake
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post #5 of 7 Old 04-25-2011, 05:16 PM
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I have the "tick" in my truck. Sounds TERRIBLE at times, but hasn't seemed to hurt it yet.

Traded.. 03 6.0 PSD
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For.. Black F250 2008 SD LARIAT 6.4 PSD 4x4, Aries Bull Bar, Westin chrome running bars, Dura Liner, B&W Gooseneck hitch, Recon smoked taillights, Icon 4.5" lift, 35" Toyo M/T, etc... Running Spartan Tunes
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Quote:
Originally Posted by azkcr View Post
So all that work and you're keeping the trash can of doom on the exhaust?


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post #6 of 7 Old 05-08-2011, 08:15 PM Thread Starter
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I backed out in the deal with that truck. It was losing oil somewhere but Idk where I put about 200 miles on it and it started knocking down low so I checked the oil again and the dipstick was dry added a gallon and took that sob back real quick lol

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2008 F250 6.4 CC SB Fx4
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post #7 of 7 Old 05-12-2011, 05:55 PM
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hey guys, what kind of knock are you hearing? I've took mine in for a knock that sounds like it giving a morris code or something hittin the oil pan, but ford said it was normal for that sound. but i think other wise. please give some infor on what you think it could be thanks...
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