Ratio, transaxle final drive, 3.94

Years 1999–06, 2008–09, 2014, 2016–18 Models 5 Factory citations 13

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Also described as Final drive ratio 3.94Axle, 3.94 final drive ratio

Also documented for Oldsmobile Pontiac

Documented applications

Aveo — T200 (2004–2008)

2004–2006, 2008 Factory-verified

the 2008 list prints 3.944 (1.4L, 1.5L, 1.6L manual); kits: Axle, 3.94 ratio; ; ; ;

GM Heritage factory kit — 2004 Chevrolet Aveo, p.24.
GM Heritage factory kit — 2005 Chevrolet Aveo, p.25.
GM Heritage factory kit — 2006 Chevrolet Aveo, p.25.
GM factory document — 2008 chevrolet aveo rpo code list, p.1.

Aveo — T250 (2009–2011)

2009 Factory-verified

GM factory document — 2009 chevrolet aveo rpo code list, p.1.

Cavalier — third generation (1995–2005)

1999–2005 Factory-verified

GM factory document — 1999 chevrolet cavalier rpo code list, p.1.
GM factory document — 2005 chevrolet cavalier rpo code list, p.1.
GM Heritage factory kit — 2000 Chevrolet Cavalier, p.43.
GM Heritage factory kit — 2005 Chevrolet Cavalier, p.22.

Cruze — first generation (2011–2016)

2014, 2016 Factory-verified

2014: 1SA: S; 2016: 1SM, 1SA: S

GM factory document — 2014 chevrolet cruze fleet order guide wayback, p.4.
GM factory document — 2016 chevrolet cruze limited fleet order guide wayback, p.4.

Sonic — first generation (2012–2020)

2017–2018 Factory-verified

LS manual: S; with the M26 5 speed manual

GM factory document — 2017 chevrolet sonic order guide copy gm authority, p.62.
GM factory document — 2018 chevrolet sonic order guide copy gm authority, p.68.

This page aggregates every documented appearance of FX1 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.