Source reference 10113740
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
12-06-01-008B ・ information ・ for GM vehicles in general
Applies to
Applies to 2016 and prior GM passenger cars and trucks.
the passage
2016 and Prior GM Passenger Cars and Trucks
Finding the cause
Possible causes
Analysis of some aftermarket crankcase flushing materials indicates incompatibility with GM engine components and potential damage to some engine seals and bearings.
the passage
Analysis of some of the aftermarket materials used for crankcase flushing indicate incompatibility with GM engine components and the potential for damage to some engine seals and bearings.
Correction
Repair
Transmission fluid should only be replaced by draining and refilling, following the procedures in Service Information (SI).
the passage
Transmission fluid should only be replaced by draining and refilling following procedures in Service Information (SI).
Caution
Under normal usage, GM vehicles do not require any procedures or additives beyond what the Owner's Manual maintenance schedules advise.
the passage
GM vehicles under normal usage do not require any additional procedures or additives beyond what is advised under the Owner's Manual maintenance schedules.
General Motors does not endorse or recommend engine crankcase flushing for any of its gasoline engines.
the passage
General Motors Corporation does not endorse or recommend engine crankcase flushing for any of its gasoline engines.
Flushing of A/C lines, radiators, transmission coolers and power steering systems is a recognized practice after catastrophic failures or when extreme corrosion is encountered in radiators.
the passage
Flushing of air conditioning (A/C) lines, radiators, transmission coolers, and power steering systems are recognized practices to be performed after catastrophic failures or extreme corrosion when encountered in radiators.
External transmission fluid exchange or flush machines are not recommended for the automatic or manual transmission.
the passage
The use of external transmission fluid exchange or flush machines is not recommended for the automatic or manual transmission.
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
本情報通知は、販売店要員に対して、予定外の補足サービス（フラッシングサービスおよび添加剤を含む）およびGM簡略保守スケジュール（カナダのみ）の適切な使用に関する情報を提供するものである。 Machine translation (unreviewed)
This informational bulletin provides dealership personnel information on unscheduled supplemental services (including flushing services and additives) and proper use of GM simplified maintenance schedules (Canada only).
Go to this passage in the original
Source
- Source
- NHTSA Manufacturer Communications
- Source reference
- 10113740
- Received by source
- 2017-08-15
- Incident date
- Unknown
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