Manufacturer communication — 2006 GMC YUKON DENALI XL

• All brands and models, model years 2000 - 2019.

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  All All 2000 - 2019 All All All All

• The customer complains of vehicle vibration under any of various driving conditions.

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  Some customers may complain of vehicle vibration under any of various driving conditions.

Steps to confirm (in the document’s order)

• Drive the vehicle to verify the condition and record a Pico data file of the concern.

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  1: Drive the vehicle to verify condition AND record a Pico data file of the concern.

Repair

• Repair the vehicle using the Pico information together with any published information relevant to the vibration frequency observed.

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  3: Repair the vehicle using Pico information along with any published information relevant to the vibration frequency observed.

Caution

• Attempting a repair without knowing the vibration frequency is wasted effort.

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  Without knowing the frequency we are just spinning our wheels in attempting to repair.

• This applies to vehicle level vibration; component level vibrations such as blower motor, brake pulsation or shudder on turns do not require a Pico file.

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  NOTE: This is for vehicle level vibration complaints, component level vibrations ie: blower motor, brake pulsation or shudder on turns type concerns do not require a Pico file.