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Info - 2006 Interim Model Year Change for 4T45-E Automatic Transaxle (RPO MN5)

Subject:2006 Interim Model Year Change for 4T45-E Automatic Transaxle (RPO MN5)

Models: 2006 Chevrolet Cobalt, HHR, Malibu, Malibu Maxx
2006 Pontiac G6, Pursuit (Canada Only)
2006 Saturn ION, VUE
with 4T45-E Automatic Transaxle (RPO MN5)



This bulletin is being revised to add Parts Information. Please discard Corporate Bulletin Number 06-07-30-003 (Section 07 -- Transmission/Transaxle).


Important: The current SPO Catalog may show the incorrect change of production date. The correct transaxle assembly build break point for these changes is December 13, 2005 (Julian Date 347).

On December 13, 2005 (Julian Date 347), the 2006 4T45-E automatic transaxles were built with new/second design controls system hardware.

The new Channel Plate Assembly, Valve Body Assembly and Spacer Plate Assembly include revised fluid routing.

Notice: The first and second design Channel Plate Assembly, Valve Body Assembly and Spacer Plate Assembly are NOT interchangeable. Mismatching of first and second design Channel Plate Assembly, Valve Body Assembly and Spacer Plate Assembly will result in damage to the transaxle.

The transmission will not function properly if the wrong combination of Channel Plates, Valve Body Assemblies, and Spacer Plate Assemblies are installed.

Refer to your Parts Catalog for serviceable components and proper model usage.


Object Number: 1749650  Size: LF
    • The Spacer Plate and Gaskets (22), (23) and (24) on the left show the first/previous spacer plate and gasket design .
    • The Spacer Plate on the right shows the second/new one piece bonded spacer plate with gasket design.

Object Number: 1749653  Size: SF
    • The Valve Body (1) on the left shows the first/previous valve body design.
    • The Valve Body (2) on the right shows thesecond/new valve body design.

Object Number: 1749652  Size: MF
    • The Channel Plate (1) on the left shows the first/previous channel plate design.
    • The Channel Plate (2) on the right shows the second/new channel plate design.

Parts Information

These part numbers reflect the 2nd/New design.

Part Number

Description

24238393

Channel Plate

24238390

Spacer Plate (Bonded)

24238392

Valve Body Control