Source reference 10250775
Manufacturer communication — 2006 GMC YUKON DENALI XL
Relation to the target vehicle
- The source's vehicle field includes the trim.
- Model year
- Match 2006 — Source vehicle field
- Model
- Match YUKON DENALI XL — Source vehicle field
- Trim
- Match Denali — Source vehicle field
What the manufacturer’s document says
22-NA-074 ・ information ・ for GM vehicles in general
Applies to
Applies to all GM passenger cars and trucks, 2000 through 2024, gasoline engines only.
the passage
All GM Passenger Cars and Trucks 2000 2024 — — Gasoline Engines Only
Finding the cause
Possible causes
Debris from a damaged rod or main bearing is sent directly through the oil galleries and the components in the lubrication circuit.
the passage
If an engine experiences an engine failure due to a damaged rod or main bearing the debris from the bearing is sent directly through the oil galleries and components that are in the lubrication circuit.
Correction
Repair
Whenever an engine assembly is replaced for a connecting rod or crankshaft main bearing failure, also replace the oil cooler, oil cooler lines, oil tank and turbocharger, if equipped.
the passage
The purpose of this bulletin is to inform service personnel that any time an engine assembly is replaced due to a connecting rod or crankshaft main bearing failure, it is necessary to also replace the oil cooler, oil cooler lines, oil tank and turbocharger if equipped.
If the oil cooler is part of the radiator assembly, the radiator must be replaced along with the other required components.
the passage
Important: On some vehicles, the oil cooler is part of the radiator assembly. If the oil cooler on the vehicle is part of the radiator, it must be replaced along with the other required components.
Caution
Reinstalling an oil cooler or cooler line from an engine with bearing failure debris may carry remaining debris into the new service engine.
the passage
Reinstallation of an oil cooler and/or cooler line that was removed from an engine with a bearing failure debris may result in the transfer of any remaining debris into the new Genuine GM Part service engine.
Some service engines come with the oil cooler and/or oil cooler lines already attached; those need not be replaced.
the passage
Note: Some service engines come with the oil cooler and/or oil cooler line(s) already attached to the new service engine. In this case, replacement of those components is not necessary.
Not every engine with bearing damage requires the oil cooler, lines or oil tank, or even the engine, to be replaced.
the passage
Note: Not every engine that has bearing damage requires an oil cooler, oil cooler line, oil tank replacement or even the engine to be replaced.
Compiled by reading the full text of the document; each point stands on the passage shown. Check the document itself, linked below, before working on a vehicle.
Stated content
Communication summary
本サービスブリテンは、大量のデブリが潤滑油システム全体に流出した場合にエンジンを交換したときのオイルクーラー、オイルクーラーラインおよびオイルタンクの交換に関する指針をテクニシャンに提供するものである。 Machine translation (unreviewed)
This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
Go to this passage in the original
Source
- Source
- NHTSA Manufacturer Communications
- Source reference
- 10250775
- Received by source
- 2024-02-29
- Incident date
- Unknown
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