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Selected vehicle: 2006 · GMC Yukon XL Denali

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Source reference 10138538

Manufacturer communication — 2006 GMC YUKON DENALI XL

Fitment confirmedReporter type: ManufacturerENGINE AND ENGINE COOLING

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

11-00-90-001A ・ information ・ for GM vehicles in general

Applies to

  • 2013 and prior GM passenger cars and trucks, excluding all vehicles with Duramax diesel engines.

    the passage
    2013 and Prior GM Passenger Cars and Trucks Excluding All Vehicles Equipped with Duramax™Diesel Engines

Fault

  • The dexos 1 engine oil specification replaces the earlier GM specifications GM6094M, GM4718M and GM-LL-A-025 for most GM gasoline engines.

    the passage
    General Motors dexos 1™engine oil specification replaces the previous General Motors specifications GM6094M, GM4718M and GM-LL-A-025 for most GM gasoline engines.

Finding the cause

Steps to confirm (in the document’s order)

  • Only oils showing the dexos trademark and icon on the front label meet the dexos specification.

    the passage
    Only those oils displaying the dexos ™trademark and icon on the front label meet the demanding performance requirements and stringent quality standards set forth in the dexos ™specification.

Correction

Caution

  • The oil specified for vehicles prior to the 2011 model year remains acceptable for them; dexos 1 is backward compatible and can also be used in those older vehicles.

    the passage
    The oil specified for use in GM passenger cars and trucks, PRIOR to the 2011 model year remains acceptable for those previous vehicles. However, dexos 1™is backward compatible and can be used in those older vehicles.
  • Always take the proper viscosity grade for the engine from the Maintenance section of the vehicle's Owner Manual.

    the passage
    Always refer to the Maintenance section of a vehicle Owner Manual for the proper viscosity grade for the engine being serviced.

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

  1. Communication summary

    本情報案内は、GM車両に使用する適切なオイルに関する情報、ならびに Dexos オイルの相違点に関する情報を提供するものです。 Machine translation (unreviewed)

    This informational bulletin provides information on the proper oils to use on GM vehicles including information regarding the differences of the Dexos oils.
    Go to this passage in the original

Source

Source
NHTSA Manufacturer Communications
Source reference
10138538
Received by source
2018-05-29
Incident date
Unknown

Open original text and sourceOpen the provider's page (external)

Manufacturer communication 10138538 — 2006 GMC YUKON DENALI XL | FaultCrate