Brake system, power, front disc, rear drum, cast iron, antilock, front and rear wheel

Years 1995–09, 2016–19 Models 18 Factory citations 85

Also described as Brake system, power, front disc, rear drum, antilock front and rearBrake system, power, front disc, rear drum, cast iron, antilock, front and rear wheelsBrakes, power, front disc and rear drum, four-wheel antilockBrake system, power front disc, rear drum, cast iron, antilock front and rear wheelBrake system, antilock, 4 wheelPower brake system, front disc, rear drum, cast iron, antilock, front and rear wheelsBrakes, 4-wheel antilock, front disc and rear drumBrakes, 4 wheel antilock (ABS)

Also documented for Buick GMC Oldsmobile Pontiac Saturn

Documented applications

Astro — Second generation (1995–2005)

1998–2003 Factory-verified

GM factory document — 1998 chevrolet astro 2wd rpo code list, p.1.
GM factory document — 1999 chevrolet astro 2wd rpo code list, p.1.
GM factory document — 2000 chevrolet astro 2wd rpo code list, p.1.
GM factory document — 2001 chevrolet astro 2wd rpo code list, p.1.
GM factory document — 2002 chevrolet astro 2wd rpo code list, p.1.
GM factory document — 2003 chevrolet astro 2wd rpo code list, p.1.

Aveo — T200 (2004–2008)

2004–2006, 2008 Factory-verified

kits: Brakes, 4-wheel antilock, front disc/rear drum; ; ; ;

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)

1998–2005 Factory-verified

GM factory document — 1998 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.84.

Cobalt — Delta (2005–2010)

2005–2009 Factory-verified

GM factory document — 2005 chevrolet cobalt rpo code list, p.1.
GM factory document — 2006 chevrolet cobalt rpo code list, p.1.
GM factory document — 2007 chevrolet cobalt rpo code list, p.1.
GM factory document — 2008 chevrolet cobalt rpo code list, p.1.
GM factory document — 2009 chevrolet cobalt rpo code list, p.1.
GM Heritage factory kit — 2005 Chevrolet Cobalt, p.40.
GM Heritage factory kit — 2007 Chevrolet Cobalt, p.29.

Equinox — first generation (2005–2009)

2005–2007 Factory-verified

GM factory document — 2005 chevrolet equinox rpo code list, p.1.
GM factory document — 2006 chevrolet equinox rpo code list, p.1.
GM factory document — 2007 chevrolet equinox rpo code list, p.1.

HHR (2006–2011)

2006–2009 Factory-verified

the 2009 list prints "Front Disc, Rear Drum" in full.

GM factory document — 2006 chevrolet hhr rpo code list, p.1.
GM factory document — 2007 chevrolet hhr rpo code list, p.1.
GM factory document — 2008 chevrolet hhr rpo code list, p.1.
GM factory document — 2009 chevrolet hhr rpo code list, p.1.
GM Heritage factory kit — 2006 Chevrolet HHR, p.99, p.100, p.103, p.104, p.110, p.117.

Lumina — second generation (1995–2001)

1995–2001 Factory-verified

The order guides word it 4-wheel anti-lock brakes.

GM factory document — 1998 chevrolet lumina rpo code list, p.1.
GM factory document — 1999 chevrolet lumina rpo code list, p.1.
GM factory document — 2000 chevrolet lumina rpo code list, p.1.
GM factory document — 2001 chevrolet lumina rpo code list, p.1.
GM Heritage factory kit — 1995 Chevrolet Lumina, p.10.
GM Heritage factory kit — 1995 Chevrolet Lumina, p.52.
GM Heritage factory kit — 1996 Chevrolet Lumina, p.18.
GM Heritage factory kit — 1996 Chevrolet Lumina, p.102.
GM Heritage factory kit — 1997 Chevrolet Lumina, p.69.
GM Heritage factory kit — 1998 Chevrolet Lumina, p.43.
GM Heritage factory kit — 1999 Chevrolet Lumina, p.12.
GM Heritage factory kit — 1999 Chevrolet Lumina, p.59.

Malibu — Fifth generation (1997–2005)

1998–2005 Factory-verified

the 1998 list prints JM4 twice, as "Brake System, Front Disk, Rear Drum, ABS" and "Brakes, Antilock"; the 1999–2005 lists print the power, cast iron, front and rear wheel wording.

GM factory document — 1998 chevrolet malibu rpo code list, p.1.
GM factory document — 1999 chevrolet malibu rpo code list, p.1.
GM factory document — 2000 chevrolet malibu rpo code list, p.1.
GM factory document — 2001 chevrolet malibu rpo code list, p.1.
GM factory document — 2002 chevrolet malibu rpo code list, p.1.
GM factory document — 2003 chevrolet malibu rpo code list, p.1.
GM factory document — 2004 chevrolet classic rpo code list, p.1.
GM factory document — 2005 chevrolet classic rpo code list, p.1.
GM Heritage factory kit — 2003 Chevrolet Malibu, p.78.

Malibu — Sixth generation, Epsilon (2004–2008)

2004–2005 Factory-verified

GM factory document — 2004 chevrolet malibu rpo code list, p.1.
GM factory document — 2005 chevrolet malibu rpo code list, p.1.

Metro — second generation (1998–2001)

1998–2001 Factory-verified

List prints antilock as Anitlock

GM factory document — 1998 chevrolet metro rpo code list, p.1.
GM factory document — 1999 chevrolet metro rpo code list, p.1.
GM factory document — 2000 chevrolet metro rpo code list, p.1.
GM factory document — 2001 chevrolet metro rpo code list, p.1.

Monte Carlo — fifth generation, W-body (1995–1999)

1998–1999 Factory-verified

The 1999 list words it "Power Front Disc, Cast Iron Rear Drum Antilock Front and Rear Wheel".

GM factory document — 1998 chevrolet monte carlo rpo code list, p.1.
GM factory document — 1999 chevrolet monte carlo rpo code list, p.1.

Prizm — third generation (1998–2002)

1998–2002 Factory-verified

GM factory document — 1998 chevrolet prizm rpo code list, p.1.
GM factory document — 1999 chevrolet prizm rpo code list, p.1.
GM factory document — 2000 chevrolet prizm rpo code list, p.1.
GM factory document — 2001 chevrolet prizm rpo code list, p.1.
GM factory document — 2002 chevrolet prizm rpo code list, p.1.

Spark — M400 (2016–2022)

2017–2019 Factory-verified

all trims: S; 2018 from GM's 2018 order guide

GM factory document — 2017 chevrolet spark order guide copy gm authority, p.4, p.20.
GM factory document — 2018 chevrolet spark order guide copy gm authority, p.6, p.27.
GM factory document — 2019 chevrolet spark order guide copy gm authority, p.5, p.27.

Tracker — First generation (1998)

1998 Factory-verified

GM factory document — 1998 chevrolet tracker 2wd rpo code list, p.1.

Tracker — Second generation (1999–2004)

1999–2004 Factory-verified

GM factory document — 1999 chevrolet tracker 2wd rpo code list, p.1.
GM factory document — 2000 chevrolet tracker 2wd rpo code list, p.1.
GM factory document — 2001 chevrolet tracker 2wd rpo code list, p.1.
GM factory document — 2002 chevrolet tracker 2wd rpo code list, p.1.
GM factory document — 2003 chevrolet tracker 2wd rpo code list, p.1.
GM factory document — 2004 chevrolet tracker 2wd rpo code list, p.1.

Trax — first US generation (2015–2022)

2016, 2018–2019 Factory-verified

only in: FWD

GM factory document — 2016 chevrolet trax fleet order guide wayback, p.4.
GM factory document — 2018 chevrolet trax order guide copy gm authority, p.22.
GM factory document — 2019 chevrolet trax order guide copy gm authority, p.22.

Venture — U-body minivan (1997–2005)

1998–2005 Factory-verified

GM factory document — 1998 chevrolet venture ext rpo code list, p.1.
GM factory document — 1999 chevrolet venture ext rpo code list, p.1.
GM factory document — 2000 chevrolet venture ext rpo code list, p.1.
GM factory document — 2001 chevrolet venture ext rpo code list, p.1.
GM factory document — 2002 chevrolet venture ext rpo code list, p.1.
GM factory document — 2003 chevrolet venture ext rpo code list, p.1.
GM factory document — 2004 chevrolet venture ext rpo code list, p.1.
GM factory document — 2005 chevrolet venture ext rpo code list, p.1.

This page aggregates every documented appearance of JM4 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.