Manufacturer communication — 2006 GMC YUKON DENALI XL

Fitment confirmedReporter type: ManufacturerEQUIPMENTPOWER TRAIN

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

02-07-30-052I ・ information ・ for GM vehicles in general

Applies to

Applies to 2011 and prior GM passenger cars and light duty trucks with an automatic transmission/transaxle.
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2011 and Prior GM Passenger Cars and Light Duty Trucks

Fault

In flow mode, an electronic flow meter measures the flow capability of the ATF oil cooling system.
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In the flow mode, an electronic flow meter is used to measure the flow capability of the ATF oil cooling system.

Finding the cause

Steps to confirm (in the document’s order)

On the 4L60-E, the cooler feed (exiting the transmission) is the bottom connector and the return (entering the transmission) is the top connector; J-35944-200 may be required.
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4L60-E bottom connector (may require J- 35944-200) top connector (may require J-35944- 200)
On the 4L80-E, the cooler feed is the front connector and the return is the rear connector; J-35944-200 may be required.
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4L80-E front connector (may require J- 35944-200) rear connector (may require J- 35944-200)

Correction

Repair

For the flow test and flush procedure, refer to Automatic Transmission Oil Cooler Flushing and Flow Test J-45096 in SI.
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Refer to SI for Automatic Transmission Oil Cooler Flushing and Flow Test J-45096 for the appropriate procedure.

Caution

Insufficient oil flow through the ATF oil cooling system will cause premature transmission failure; the required minimum flow rate depends directly on the supply oil temperature.
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Insufficient oil flow through the ATF oil cooling system will cause premature transmission failure. The required minimum ATF oil flow rate reading is directly related to the supply oil temperature.
The oil in the supply vessel must be 18°C (65°F) or warmer for the J-45096 to operate.
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The temperature of the supply vessel oil must be 18°C (65°F) or greater for the J-45096 to operate.
Labor operations that remove the transmission for an internal repair or torque converter replacement include time to flow check and flush the transmission oil cooler system.
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All Labor Operations that include removal of the transmission from the vehicle to perform an internal repair or torque converter replacement include labor time to flow check and flush the transmission oil cooler system.
A flow test and flush uses between 4.7-7.5 L (5-8 qts) of DEXRON VI transmission fluid.
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Performing a transmission oil cooling system flow test and flush will use between 4.7-7.5 L (5-8 qts) of DEXRON®VI transmission fluid.

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、オートマチックトランスミッションオイルクーラーフロー試験専用工具 J-45096 TransFlow に関する情報を提供するものです。 Machine translation (unreviewed)
This informational bulletin provides information for Automatic Transmission Oil Cooler Flow Test Essential Tool J-45096 TransFlow.
Go to this passage in the original

Source

Source: NHTSA Manufacturer Communications
Source reference: 10139078
Received by source: 2018-06-04
Incident date: Unknown

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