Transmission, automatic 4 speed, 4T40-E

Years 1998–05 Models 3 Factory citations 10

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Also described as Transmission, automatic, 4 speed, 4T40E

Also documented for Buick Chevrolet Oldsmobile Saturn

Documented applications

Grand Am — N-body (1992–1998)

1998 Factory-verified

the list prints 4T40E; shared N-body code; Chevrolet Malibu 1998 kit (p.12)

GM factory document — 1998 pontiac grand am rpo code list, p.1.
GM Heritage factory kit — 1998 Chevrolet Malibu, p.12.

Grand Am — Fifth generation (1999–2005)

1999–2005 Factory-verified

The 1999 to 2002 lists print 4T40E. Shared N-body code; Chevrolet Malibu kit.

GM factory document — 1999 pontiac grand am rpo code list, p.1.
GM factory document — 2003 pontiac grand am rpo code list, p.1.
GM factory document — 2005 pontiac grand am rpo code list, p.1.
GM Heritage factory kit — 2000 Chevrolet Malibu, p.31.

Sunfire — J-body (1995–2005)

1998–2005 Factory-verified

Shared J-body code; Chevrolet Cavalier kit.

GM factory document — 1998 pontiac sunfire rpo code list, p.1.
GM factory document — 2005 pontiac sunfire rpo code list, p.1.
GM Heritage factory kit — 1998 Chevrolet Cavalier, p.49.
GM Heritage factory kit — 2002 Chevrolet Cavalier, p.22.

This page aggregates every documented appearance of MN4 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.