Ratio, transaxle final drive, 3.75

Years 2004–06, 2008, 2014 Models 2 Factory citations 4

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Also described as Axle, 3.75 final drive ratio

Documented applications

Aveo — T200 (2004–2008)

2004–2006, 2008 Factory-verified

kits: Axle, 3.75 ratio; 2008 list names 1.2L, 1.5L and 1.6L automatic; ; ; ;

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.

Spark — M300 (2013–2015)

2014 Confirmed

with the M4M CVT; new for 2014 (GM Authority 2014 Spark changes, printed as GM's official changes)

This page aggregates every documented appearance of GY5 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.