Ratio, transaxle final drive, 3.29

Years 1998–00, 2002–07 Models 4 Factory citations 14

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Also described as Ratio, transaxle final drive 3.29

Also documented for Chevrolet Oldsmobile Pontiac Saturn

Documented applications

Century — W-body (1997–2005)

1998–2000, 2002 Factory-verified

GM factory document — 1998 buick century rpo code list, p.1.
GM factory document — 1999 buick century rpo code list, p.1.
GM factory document — 2000 buick century rpo code list, p.1.
GM factory document — 2002 buick century rpo code list, p.1.

Regal — W-body (1997–2004)

1998–2000, 2002 Factory-verified

GM factory document — 1998 buick regal rpo code list, p.1.
GM factory document — 1999 buick regal rpo code list, p.1.
GM factory document — 2000 buick regal rpo code list, p.1.
GM factory document — 2002 buick regal rpo code list, p.1.

Rendezvous — U-body / GMT257 (2002–2007)

2002–2007 Factory-verified

GM factory document — 2002 buick rendezvous awd rpo code list, p.1.
GM factory document — 2006 buick rendezvous awd rpo code list, p.1.
GM factory document — 2007 buick rendezvous fwd rpo code list, p.1.

Terraza — U-body / GMT201 (2005–2007)

2005–2007 Factory-verified

GM factory document — 2005 buick terraza rpo code list, p.1.
GM factory document — 2006 buick terraza rpo code list, p.1.
GM factory document — 2007 buick terraza rpo code list, p.1.

This page aggregates every documented appearance of FR9 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.