FF6 Factory-verified

GMC · Regular Production Option

Torsion bar spring adjuster (E)

Years 1999–06 Models 8 Factory citations 17

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Also described as Torsion bar spring adjustment arm (E)Torsion bar adjuster, left (E)Arm, left torsion bar spring adjustment (E)

Also documented for Cadillac Chevrolet Oldsmobile

Documented applications

Jimmy — second generation (1995–2001)

2001 Factory-verified

GM factory document — 2001 gmc jimmy 4wd rpo code list, p.1.

Sierra — GMT400 (1988–2000)

1999–2000 Factory-verified

GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1.
GM factory document — 2000 gmc gmc c pickup 2wd rpo code list, p.1.

Sierra — GMT800 (1999–2007)

2002, 2004 Factory-verified

GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1.

Sierra HD — GMT800 (2001–2007)

2002, 2004 Factory-verified

GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1.

Sonoma — second generation (1994–2004)

2001–2004 Factory-verified

GM factory document — 2001 gmc sonoma pickup 4wd rpo code list, p.1.
GM factory document — 2002 gmc sonoma pickup 4wd rpo code list, p.1.
GM factory document — 2003 gmc sonoma pickup 4wd rpo code list, p.1.
GM factory document — 2004 gmc sonoma pickup 4wd rpo code list, p.1.

Suburban — GMT400 (1992–1999)

1999 Factory-verified

GM factory document — 1999 gmc gmc suburban 2wd rpo code list, p.1.

Yukon — GMT400 (1992–1999)

1999 Factory-verified

GM factory document — 1999 gmc yukon 2wd rpo code list, p.1.

Yukon — GMT800 (2000–2006)

2002, 2004–2006 Factory-verified

GM factory document — 2002 gmc yukon 2wd rpo code list, p.1.
GM factory document — 2004 gmc yukon 2wd rpo code list, p.1.
GM factory document — 2005 gmc yukon 2wd rpo code list, p.1.
GM factory document — 2006 gmc yukon 2wd rpo code list, p.1.

This page aggregates every documented appearance of FF6 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.