Randon ticking after oil cahnge, 2010 F350 - Ford Powerstroke Diesel Forum
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Old 09-12-2010, 10:26 AM
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Randon ticking after oil cahnge, 2010 F350

So the following is apparently still an issue on the 2010’s as well:

Has anybody came up with a solution?
Different oils (Synthetic or Brands) help the problem.

Has Ford updated the Technical Service Bulletin for this, the one I posted here was the newest I could find ( from 2008)

Thanks Everyone



* 6.4L DIESEL ENGINE TICKING / TAPPING NOISE TSB 08-19-5

Publication Date: September 9, 2008

FORD:
2008 F-Super Duty

ISSUE:

Some 2008 F-Super Duty 250-550 vehicles equipped with a 6.4L diesel engines may exhibit a random engine ticking / tapping noise that is most noticeable when engine coolant temperature is 185 degrees F (85 degrees 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:

Follow the Service Information.
SERVICE INFORMATION

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 tear down 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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Old 09-13-2010, 04:56 PM
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TSB 09-16-2 superceeds this one to update the model years
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Old 09-17-2010, 05:59 PM
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Just because I had nothing better to do, I Googled randon ticking Duramax.....General Motors has almost the exact same TSB for the Duramax.

This is from a forum site that popped up:


"Some vehicles may exhibit a random ticking noise that is most audible on an engine with a coolant temperature of 70°C (158°F) or higher and from idle to approximately 1500 RPM. The noise usually is most noticeable at the rear of the driver's side front wheel well. Customers may also comment about hearing a tick noise inside the vehicle at idle such as when sitting at a drive through window. All 6600 Duramax™ diesel engines have this condition; however, some are more audible than others. Engine build variation from engine to engine contributes to differences in perceived volume. All Duramax™ engines are manufactured to very close tolerances to meet the durability and reliability standards.

This noise is caused by the relationship of the engine cylinder block, crankshaft journals, bearing inserts and the oil film. This relationship may allow a vibration that resonates through the cylinder block and is heard as a metallic ticking noise. The noise could be described as an irregular ticking or clacking sound, like random typing on a mechanical typewriter.

This condition has been present in diesel engines produced for the last 20 or more years. The overall noise reduction in engines produced today makes this noise seem new when, in fact, it was masked by other noises in the past. Many manufacturers such as Isuzu, Hino, Mitsubishi, and Nissan report a similar condition in their diesel engines. Testing and engine teardowns with this condition reveal no condition that would affect reliability or durability of this engine.

Dealers should not attempt to compare any customer vehicles exhibiting this noise with other similar vehicles as the noise is different from vehicle to vehicle and this may lead to the incorrect conclusion that the vehicle has a condition. This noise is a normal operating characteristic of the engine. This noise has no short or long term effects on the engine. Do not attempt repairs for this noise.

Important: Replacing the engine or internal components for this noise will not reduce or eliminate the noise."
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