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Selected vehicle: 2006 · GMC Yukon XL Denali

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NHTSA Manufacturer Communications 10112681

Original text and source

Original text

This Preliminary Information communication provides information to the technician about vehicles that may have a planetary gear whine noise in first and second gear. Technician should compare the noise to a like vehicle. Technician will need to check the build date of the transmission, if it was built after 09/01/2003 and it is determined that a vehicle has an abnormal amount of noise, perform the rear unit end play check. Technician will replace the output planetary gear set if end play is out of specification. The transmission assembly will need to be replaced if the end play is with in specification.

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Source

Source
NHTSA Manufacturer Communications — Communication from a manufacturer to dealers (summary published by a government agency)
Reporter type
Manufacturer
Source reference
10112681
Country / market
US
Language
en
Document version
Version 2 (2 held)
Note on the source
US federal government dataset of communications manufacturers sent to dealers. NHTSA publishes a summary of each communication, not its full text.

Dates

Incident date
Unknown
Received by source
2017-08-15
Added to the source's file
2017-08-15
Issued / published
2012-12-17
First observed
2026-10-05 02:21 UTC (initial bulk load)
This version fetched
2026-10-05 03:49 UTC
Original text and source — NHTSA Manufacturer Communications 10112681 | FaultCrate