Information on 2007 4T45E Hybrid Automatic Transaxle (RPO ME7)`

The purpose of this bulletin is to inform retailers of new characteristics of the 4T45E hybrid automatic transaxle (RPO ME7) and describe some of the differences between the hybrid model (RPO ME7) and the regular model (RPO MN5) 4T45E automatic transaxle.

Important: Refer to PIP3874A - Parts Restriction Information For Hybrid Propulsion System for information on parts restriction prior to performing service on the ME7 automatic transaxle.

The following illustration summarizes some of the new or changed components of the ME7 automatic transaxle.

(1)	Electrical Connector
(2)	Auxiliary Pump Bolts
(3)	Auxiliary Pump Asm
(4)	Output Pipe
(5)	Pressure Tap
(6)	Inlet Pipe
(7)	Pipe Bolts
(8)	Check Valve

Important: Refer to PIP3874A - Parts Restriction Information For Hybrid Propulsion System for information on parts restriction prior to performing service on the ME7 automatic transaxle.

If there are any concerns with the hybrid auxiliary pump or associated driver, please call GM Technical Assistance prior to replacing any components.

Hybrid Case Assembly - Bolts & Pipes Orifices

The following illustration shows the location of the orifices for several of the pipes and fasteners.