| Subject: | Automatic Transmission Oil Cooler Flushing and Flow Check Procedures |
| Models: | 2003 and Prior GM Light Duty Trucks |
| with Allison® Automatic Transmission (RPO M74) |
This bulletin revises bulletin 99-07-30-017 to reflect the release of
the new Transflow® J 45096 Transmission Cooling System Service
Tool. The Transflow® Transmission Cooling System Service Tool is to be
used for all vehicles. Please discard Corporate Bulletin Number 99-07-30-017
(Section 07 -- Transmission/Transaxle). Refer to Corporate Bulletin
Number 02-07-30-052.
Important: If you were sent here by the instruction booklet for the J 45096
TransFlow® machine, note that the table has been moved to Corporate Bulletin
Number 02-07-30-052.
