Heater, auxiliary

Years 1983–10, 2014–18, 2022–27 Models 17 Factory citations 126

Query this via API →

Also described as Heater, rear auxiliaryHeater, auxiliary, rear

Also documented for Cadillac GMC Hummer Oldsmobile Pontiac

Documented applications

Astro — First generation (1985–1994)

1986–1994 Factory-verified

the kit pages print rear heater, left side forward of the rear wheel well. 1986 from the 1986 passenger van pages in the kit file labelled 1985.

GM Heritage factory kit — 1985 Chevrolet Astro Van, p.7.
GM Heritage factory kit — 1987 Chevrolet Astro Van, p.27.
GM Heritage factory kit — 1988 Chevrolet Astro Van, p.7.
GM Heritage factory kit — 1989 Chevrolet Astro Van, p.13.
GM Heritage factory kit — 1990 Chevrolet Astro Van, p.7.
GM Heritage factory kit — 1991 Chevrolet Astro Van, p.11.
GM Heritage factory kit — 1992 Chevrolet Astro Van, p.12.
GM Heritage factory kit — 1993 Chevrolet Astro Van, p.12.
GM Heritage factory kit — 1994 Chevrolet Astro Van, p.11.

Astro — Second generation (1995–2005)

1996–2005 Factory-verified

GM Heritage factory kit — 1996 Chevrolet Astro Van, p.6.
GM Heritage factory kit — 1997 Chevrolet Astro Van, p.35.
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.
GM factory document — 2004 chevrolet astro 2wd rpo code list, p.1.
GM factory document — 2005 chevrolet astro 2wd rpo code list, p.1.

Avalanche — GMT800 (2002–2006)

2002–2006 Factory-verified

GM factory document — 2002 chevrolet avalanche 2wd rpo code list, p.1.
GM factory document — 2003 chevrolet avalanche 2wd rpo code list, p.1.
GM factory document — 2004 chevrolet avalanche 2wd rpo code list, p.1.
GM factory document — 2005 chevrolet avalanche 2wd rpo code list, p.1.
GM factory document — 2006 chevrolet avalanche 2wd rpo code list, p.1.
GM Heritage factory kit — 2002 Chevrolet Avalanche, p.52.
GM Heritage factory kit — 2003 Chevrolet Avalanche, p.34.
GM Heritage factory kit — 2004 Chevrolet Avalanche, p.33.
GM Heritage factory kit — 2005 Chevrolet Avalanche, p.31.

Avalanche — GMT900 (2007–2013)

2007–2009 Factory-verified

GM factory document — 2007 chevrolet avalanche 2wd rpo code list, p.1.
GM factory document — 2008 chevrolet avalanche 2wd rpo code list, p.1.
GM factory document — 2009 chevrolet avalanche 2wd rpo code list, p.1.

C/K pickup — GMT400 (1988–2000)

1998–2000 Factory-verified

GM factory document — 1998 chevrolet chevy c pickup 2wd rpo code list, p.1.
GM factory document — 1999 chevrolet chevy c pickup 2wd rpo code list, p.1.
GM factory document — 2000 chevrolet chevy c pickup 2wd rpo code list, p.1.

Express — GMT600 (1996–2002)

1996–2002 Factory-verified

GM factory document — 1998 chevrolet express rpo code list, p.1.
GM factory document — 1999 chevrolet express rpo code list, p.1.
GM factory document — 2000 chevrolet express rpo code list, p.1.
GM factory document — 2001 chevrolet express rpo code list, p.1.
GM factory document — 2002 chevrolet express rpo code list, p.1.
GM Heritage factory kit — 1996 Chevrolet G Van, p.67.
GM Heritage factory kit — 1997 Chevrolet Express, p.24.

Express — GMT610 (2003–2027)

2003–2010, 2014–2018, 2022–2027 Factory-verified

the 2025–2027 guides read Heater, rear auxiliary; S: Passenger 1LS, Passenger 1LT; O: Cargo 1WT; in the 2025–2027 guides only in the Cargo and Passenger guides

GM factory document — 2003 chevrolet express rpo code list, p.1.
GM factory document — 2004 chevrolet express awd rpo code list, p.1.
GM factory document — 2005 chevrolet express awd rpo code list, p.1.
GM factory document — 2006 chevrolet express awd rpo code list, p.1.
GM factory document — 2007 chevrolet express awd rpo code list, p.1.
GM factory document — 2008 chevrolet express rpo code list, p.1.
GM factory document — 2009 chevrolet express rpo code list, p.1.
GM factory document — 2010 chevrolet gh van elec 1 7 d1 100813, p.14.
GM factory document — 2014 chevrolet gh van elec bbm si brief, p.6.
GM factory document — 2015 chevrolet express savana electrical body builders manual service manual 2015 en us, p.11.
GM factory document — 2016 chevrolet express savana electrical body builders manual service manual 2016 en us, p.5.
GM factory document — 2017 chevrolet express savana electrical body builders manual service manual 2017 en us, p.5.
GM factory document — 2018 chevrolet 18 express savana bodybuilders sm 2017nov06, p.15.
GM factory document — 2022 chevrolet 22 express savana electrical body builder sm en us 2021oct12, p.12.
GM factory document — 2023 chevrolet 23 express savana body builder sm en us 2022sep13, p.13.
GM factory document — 2024 chevrolet 24 express savana body builder manual 18553161 2023oct26, p.13.
GM factory document — 2025 chevrolet my25 express savana electrical bbm, p.11.
GM factory document — 2025 chevrolet express cargo fleet order guide, p.20.
GM factory document — 2025 chevrolet express passenger fleet order guide, p.2.
GM factory document — 2026 chevrolet my26 express savana electrical bbm, p.11.
GM factory document — 2026 chevrolet express cargo fleet order guide, p.21.
GM factory document — 2026 chevrolet express passenger fleet order guide, p.2.
GM factory document — 2027 chevrolet express cargo fleet order guide, p.20.
GM factory document — 2027 chevrolet express passenger fleet order guide, p.2.

Chevy Van — Second generation G-series (1983–1996)

1983, 1984, 1986, 1989–1991, 1993–1996 Factory-verified

located on the left side, forward of the rear wheelhouse.

GM Heritage factory kit — 1983 Chevrolet Vandura, p.17.
GM Heritage factory kit — 1984 Chevrolet G Van, p.17.
GM Heritage factory kit — 1986 Chevrolet G Van, p.25.
GM Heritage factory kit — 1989 Chevrolet G Van, p.16.
GM Heritage factory kit — 1990 Chevrolet G Van, p.16.
GM Heritage factory kit — 1991 Chevrolet G Van, p.20.
GM Heritage factory kit — 1993 Chevrolet G Van, p.23.
GM Heritage factory kit — 1994 Chevrolet G Van, p.13.
GM Heritage factory kit — 1995 Chevrolet G Van, p.14.
GM Heritage factory kit — 1996 Chevrolet G Van, p.44.

Silverado — GMT800 (1999–2007)

2001–2002 Factory-verified

in GM's shared truck and utility list only; no Silverado pickup order guide or other source shows it

GM factory document — 2001 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM Heritage factory kit — 2001 Chevrolet Silverado, p.54.
GM Heritage factory kit — 2002 Chevrolet Silverado, p.44.

Suburban — GMT400 (1992–1999)

1992–1993, 1995–1999 Factory-verified

GM Heritage factory kit — 1992 Chevrolet Suburban, p.18.
GM Heritage factory kit — 1993 Chevrolet Suburban, p.8.
GM Heritage factory kit — 1995 Chevrolet Suburban, p.12.
GM Heritage factory kit — 1996 Chevrolet Suburban, p.14.
GM Heritage factory kit — 1997 Chevrolet Suburban, p.14.
GM factory document — 1998 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 1999 chevrolet chevy suburban 2wd rpo code list, p.1.

Suburban — GMT800 (2000–2006)

2001–2006 Factory-verified

GM factory document — 2001 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2002 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2003 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2004 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2005 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2006 chevrolet chevy suburban 2wd rpo code list, p.1.
GM Heritage factory kit — 2001 Chevrolet Suburban, p.49.
GM Heritage factory kit — 2002 Chevrolet Suburban, p.35.

Suburban — GMT900 (2007–2014)

2007–2009, 2014 Factory-verified

Trim marks in the 2014 guide: LS, LT, LTZ: S.

GM factory document — 2007 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2008 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2009 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2014 chevrolet suburban fleet order guide wayback, p.2.
GM Heritage factory kit — 2007 Chevrolet Suburban, p.33, p.147.

Suburban — Square body (1983–1991)

1983–1986, 1988–1991 Factory-verified

located on the right side behind the rear fender well; the 1987 pages name C36 only in new-features prose (the 1987 rear heater line has no code), so 1987 is left out; the GMT400 doc reads it as auxiliary heater

GM Heritage factory kit — 1983 Chevrolet Suburban, p.17.
GM Heritage factory kit — 1984 Chevrolet Suburban, p.22.
GM Heritage factory kit — 1985 Chevrolet Suburban, p.19.
GM Heritage factory kit — 1986 Chevrolet Suburban, p.20.
GM Heritage factory kit — 1988 Chevrolet Suburban, p.18.
GM Heritage factory kit — 1989 Chevrolet Suburban, p.16.
GM Heritage factory kit — 1990 Chevrolet Suburban, p.18.
GM Heritage factory kit — 1991 Chevrolet Suburban, p.18.

Tahoe — GMT400 (1995–1999)

1998–1999 Factory-verified

GM factory document — 1998 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 1999 chevrolet tahoe 2wd rpo code list, p.1.

Tahoe — GMT800 (2000–2006)

2001–2006 Factory-verified

GM factory document — 2001 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2002 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2003 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2004 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2005 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2006 chevrolet tahoe 2wd rpo code list, p.1.
GM Heritage factory kit — 2001 Chevrolet Tahoe, p.42.
GM Heritage factory kit — 2002 Chevrolet Tahoe, p.28.
GM Heritage factory kit — 2003 Chevrolet Tahoe, p.30.
GM Heritage factory kit — 2004 Chevrolet Tahoe, p.31.

Tahoe — GMT900 (2007–2014)

2007–2009, 2014 Factory-verified

Trim marks in the 2014 guides: Police: S; Special Service: S.

GM factory document — 2007 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2008 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2009 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2014 chevrolet tahoe police vehicle fleet order guide wayback, p.2.
GM factory document — 2014 chevrolet tahoe special service vehicle fleet order guide wayback, p.2.
GM Heritage factory kit — 2007 Chevrolet Tahoe, p.27, p.131.

Venture — U-body minivan (1997–2005)

1998 Factory-verified

GM Heritage factory kit — 1998 Chevrolet Venture, p.184.

This page aggregates every documented appearance of C36 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.