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Info - New Essential Tool J 45096-23 Automatic Transmission Oil Cooler Line Adapter for Allison Transmission

Subject:New Essential Tool J 45096-23 Automatic Transmission Oil Cooler Line Adapter for Allison Transmission

Models:2003-2005 Chevrolet Silverado
2003-2005 GMC Sierra
with Allison Automatic Transmission (RPO M74)



A revised transmission oil cooler line went into production during the 2003 model year.

A new transmission oil cooler line adapter tool , J 45096-23, is being released for use with the new oil cooler line. The outside diameter of the crimp on the end of the oil cooler line is slightly smaller than the previous transmission oil cooler line. Under certain conditions, the current tool, J 44835-1, could leak or come off if used on the improved design transmission oil cooler line.

Refer to Corporate Bulletin Number 02-07-30-052C or newer for the proper transmission oil cooler flushing and flow test procedures.


Object Number: 1581973  Size: SH

First design Allison transmission oil cooler line.


Object Number: 1581975  Size: SH

First design Allison transmission oil cooler line adapter tool J-44835.


Object Number: 1581974  Size: SH

Second design Allison transmission oil cooler line.


Object Number: 1581976  Size: SH

Second design Allison transmission oil cooler line adapter tool J-45096-23