Skip to content
FaultCrate
日本語Open preview: everything readable

This is an open preview: every record can be read without an account. The details of the plans are in preparation.

Selected vehicle: 2006 · GMC Yukon XL Denali

Change vehicle →

← Back to cases

Source reference 10224273

Manufacturer communication — 2006 GMC YUKON

ReferenceReporter type: ManufacturerPOWER TRAIN

Relation to the target vehicle

  • The source's vehicle field says Yukon; whether it is an XL is not stated.
  • The trim (Denali) is not stated.
Model year
Match 2006 — Source vehicle field
Model
Unknown YUKON — Source vehicle field
Trim
Unknown

What the manufacturer’s document says

PIP5640A ・ fault and correction ・ for GM vehicles in general

Applies to

  • All brands and models, model years 2000 - 2021.

    the passage
    All All 2000 - 2021 All All All All

Fault

  • Noise from underneath a vehicle equipped with an automatic transmission.

    the passage
    Some customers may comment on noise coming from underneath their vehicle equipped with an automatic transmission.

Finding the cause

Possible causes

  • Running the engine with those bolts removed may damage the pilot on the front of the torque converter, the pilot hole in the end of the crankshaft, or both.

    the passage
    Damage may occur to the pilot on the front of the torque converter or the pilot hole in the end of the crankshaft or both if the engine is running with the ëex plate to torque converter bolts removed.

Steps to confirm (in the document’s order)

  • Use chassis ears to isolate the component or assembly that is the loudest source of the noise.

    the passage
    It is recommended to use chassis ears to isolate the component or assembly that is the loudest source of the noise.

Correction

Caution

  • Do not remove the flex plate to torque converter bolts, push the converter back toward the transmission and start the engine to tell whether the noise is from the engine or the transmission.

    the passage
    It is not recommended to remove the ëex plate to torque converter bolts, push the torque converter back towards the transmission and start the engine to determine if the noise is coming from the engine or the 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

  1. Communication summary

    本予備情報通知は、オートマチックトランスミッション装備車両のクランクシャフトのトルクコンバーターの損傷を招く可能性があるため、技術者がトルクコンバーターのボルトを外してエンジンを始動しないことに関する情報を提供するものです。 Machine translation (unreviewed)

    This Preliminary Information communication provides information to the technician to not remove the torque converter bolts and start the engine as this may cause damage to the torque converter of the crankshaft on vehicles equipped with an automatic transmission.
    Go to this passage in the original

Source

Source
NHTSA Manufacturer Communications
Source reference
10224273
Received by source
2022-10-17
Incident date
Unknown

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