N40 Factory-verified

Chevrolet · Regular Production Option

Power Steering

Years 1962–93, 1998–09, 2013 Models 25 Factory citations 95

Also described as Power steeringSteering, power, non-variable ratioSteering, powerSteering, power, rack and pinion, with power steering oil coolerSteering system, non-variable

Also documented for Buick GMC Oldsmobile Pontiac Saturn

Documented applications

Camaro

1967–1969 Factory-verified

incl. N44 on 69 SS/Z28

GM Heritage factory kit — 1967 Chevrolet Camaro, p.20.
GM Heritage factory kit — 1969 Chevrolet Camaro, p.5.
1970–1981 Factory-verified

GM Heritage factory kit — 1970 Chevrolet Camaro, p.22.
GM Heritage factory kit — 1974 Chevrolet Camaro, p.8.

Chevelle / El Camino

1964–1972 Factory-verified

GM Heritage factory kit — 1964 Chevrolet Chevelle, p.36.
GM Heritage factory kit — 1972 Chevrolet El Camino, p.8.

Corvette (C1 / C2)

1963 Factory-verified

$75.35; 3,063 built

GM Heritage factory kit — 1963 Chevrolet Corvette, p.8.
1964 Factory-verified

$75.35; 3,126 built

GM Heritage factory kit — 1964 Chevrolet Corvette, p.17.
1965 Factory-verified

$96.85; 3,236 built

GM Heritage factory kit — 1965 Chevrolet Corvette, p.14.
1966 Factory-verified

$94.80; 5,611 built

GM Heritage factory kit — 1966 Chevrolet Corvette, p.14.
1967 Factory-verified

$94.80; 5,747 built (price and count: Corvette Black Book)

GM Heritage factory kit — 1967 Chevrolet Corvette, p.51.

Corvette (C3)

1968 Factory-verified

$94.80; 12,364 built

GM Heritage factory kit — 1968 Chevrolet Corvette, p.7.
1969 Factory-verified

$105.35; 22,866 built (price and count: Corvette Black Book)

GM Heritage factory kit — 1969 Chevrolet Corvette, p.84.
1970 Factory-verified

$105.35; 11,907 built (count: Corvette Black Book)

GM Heritage factory kit — 1970 Chevrolet Corvette, p.76.
1971 Factory-verified

$115.90; 17,904 built (price and count: Corvette Black Book)

GM Heritage factory kit — 1971 Chevrolet Corvette, p.98.
1972 Factory-verified

$115.90 (early-year $113.00); 23,794 built ($115.90 and the count: Corvette Black Book)

GM Heritage factory kit — 1972 Chevrolet Corvette, p.98.
1973 Factory-verified

$113.00; 27,872 built; code changed to N41 for 1974

GM Heritage factory kit — 1973 Chevrolet Corvette, p.24.

Impala / Full-Size

1963, 1964- Factory-verified

$86.10 for 1964

GM Heritage factory kit — 1963 Chevrolet, p.38.
GM Heritage factory kit — 1964 Chevrolet, p.36.

Nova / Chevy II

1962–1967 Factory-verified

GM Heritage factory kit — 1963 Chevrolet Nova, p.6.
GM Heritage factory kit — 1967 Chevrolet Nova, p.12.
1968–1973 Factory-verified

GM Heritage factory kit — 1968 Chevrolet Nova Coupe, p.61.
GM Heritage factory kit — 1973 Chevrolet Nova, p.10.

C/K Trucks

1963–66 Factory-verified

GM Heritage factory kit — 1964 Chevrolet Truck, p.16.
GM Heritage factory kit — 1965 Chevrolet Truck, p.20.
1967–72 Confirmed

—

Vega / Monza

1973–1977 Confirmed

Astro — First generation (1985–1994)

1986, 1987 Factory-verified

requires the front stabilizer bar.

GM Heritage factory kit — 1986 Chevrolet Astro Van, p.15.
GM Heritage factory kit — 1987 Chevrolet Astro Van, p.29.

Aveo — T200 (2004–2008)

2004–2006, 2008 Factory-verified

kits: Steering, power (rack-and-pinion in the 2005 kit); ; ; ;

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.

S-10 Blazer — First generation (1983–1994)

1983–1988 Factory-verified

standard on 4WD in 1988; the merged second-generation doc writes Steering, power, non-variable ratio

GM Heritage factory kit — 1983 Chevrolet S 10 Blazer, p.9.
GM Heritage factory kit — 1984 Chevrolet S 10 Blazer, p.10.
GM Heritage factory kit — 1985 Chevrolet S 10 Blazer, p.30.
GM Heritage factory kit — 1986 Chevrolet S 10 Blazer, p.9.
GM Heritage factory kit — 1987 Chevrolet S 10 Blazer, p.45.
GM Heritage factory kit — 1988 Chevrolet S 10 Blazer, p.12.

Blazer — S-10 second generation (1995–2005)

1998–2005 Factory-verified

GM factory document — 1998 chevrolet blazer 4wd rpo code list, p.1.
GM factory document — 1999 chevrolet blazer 4wd rpo code list, p.1.
GM factory document — 2000 chevrolet blazer 4wd rpo code list, p.1.
GM factory document — 2001 chevrolet blazer 4wd rpo code list, p.1.
GM factory document — 2002 chevrolet blazer 4wd rpo code list, p.1.
GM factory document — 2003 chevrolet blazer 4wd rpo code list, p.1.
GM factory document — 2004 chevrolet blazer 4wd rpo code list, p.1.
GM factory document — 2005 chevrolet blazer 4wd rpo code list, p.1.

Caprice — Caprice PPV (2011–2017)

2013 Confirmed

deleted for 2014, replaced by NJ1 (GM's 2014 changes)

Cavalier — first generation (1982–1987)

1984, 1987 Factory-verified

1987: standard on the RS and Z24, required with the V6; the 1985 and 1986 pages print the line without a code

GM Heritage factory kit — 1984 Chevrolet Cavalier, p.11.
GM Heritage factory kit — 1987 Chevrolet Cavalier, p.37.

Cavalier — second generation (1988–1994)

1988–1989 Factory-verified

GM Heritage factory kit — 1988 Chevrolet Cavalier, p.42.
GM Heritage factory kit — 1989 Chevrolet Cavalier, p.64.

Colorado — GMT355 (2004–2012)

2004 Factory-verified

the lists print "Ration".

GM factory document — 2004 chevrolet colorado pickup 2wd rpo code list, p.1.

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

1983, 1984, 1986, 1988 Factory-verified

standard on G20–G30; 1984 from the 1984 data book pages in the kit file labelled 1985.

GM Heritage factory kit — 1983 Chevrolet Vandura, p.17.
GM Heritage factory kit — 1985 Chevrolet G Van, p.20.
GM Heritage factory kit — 1986 Chevrolet G Van, p.66.
GM Heritage factory kit — 1988 Chevrolet Vandura, p.23.

Malibu — Fifth generation (1997–2005)

1998 Factory-verified

platform-list code; the Malibu 1997–1999 kit order guides do not show it.

GM factory document — 1998 chevrolet malibu rpo code list, p.1.

S-10 pickup — First generation (1982–1993)

1982–1993 Factory-verified

1984 from the power team requirement remark, printed N4O

GM Heritage factory kit — 1982 Chevrolet S 10, p.10.
GM Heritage factory kit — 1983 Chevrolet S 10, p.29.
GM Heritage factory kit — 1984 Chevrolet S 10, p.8.
GM Heritage factory kit — 1985 Chevrolet S 10, p.25.
GM Heritage factory kit — 1986 Chevrolet S 10, p.17.
GM Heritage factory kit — 1987 Chevrolet S 10, p.24.
GM Heritage factory kit — 1988 Chevrolet S 10, p.20.
GM Heritage factory kit — 1989 Chevrolet S 10, p.37.
GM Heritage factory kit — 1990 Chevrolet S 10, p.22.
GM Heritage factory kit — 1991 Chevrolet S 10, p.22.
GM Heritage factory kit — 1992 Chevrolet S 10, p.35.
GM Heritage factory kit — 1993 Chevrolet S 10, p.12.

S-10 pickup — Second generation (1994–2004)

1998–2004 Factory-verified

GM factory document — 1998 chevrolet s10 pickup 4wd rpo code list, p.1.
GM factory document — 1999 chevrolet s10 pickup 4wd rpo code list, p.1.
GM factory document — 2000 chevrolet s10 pickup 4wd rpo code list, p.1.
GM factory document — 2001 chevrolet s10 pickup 4wd rpo code list, p.1.
GM factory document — 2002 chevrolet s10 pickup 4wd rpo code list, p.1.
GM factory document — 2003 chevrolet s10 pickup 4wd rpo code list, p.1.
GM factory document — 2004 chevrolet s10 pickup 4wd rpo code list, p.1.

SSR (2003–2006)

2003–2006 Factory-verified

the 2003 and 2004 lists misprint "Ration"

GM factory document — 2003 chevrolet ssr rpo code list, p.1.
GM factory document — 2004 chevrolet ssr rpo code list, p.1.
GM factory document — 2005 chevrolet ssr rpo code list, p.1.
GM factory document — 2006 chevrolet ssr rpo code list, p.1.

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.

TrailBlazer — GMT360 (2002–2009)

2002–2009 Factory-verified

GM Heritage factory kit — 2002 Chevrolet Trailblazer, p.28.
GM factory document — 2002 chevrolet trailblazer 2wd rpo code list, p.1.
GM factory document — 2003 chevrolet trailblazer 2wd rpo code list, p.1.
GM factory document — 2004 chevrolet trailblazer 2wd rpo code list, p.1.
GM factory document — 2005 chevrolet trailblazer 2wd rpo code list, p.1.
GM factory document — 2006 chevrolet trailblazer 2wd rpo code list, p.1.
GM factory document — 2007 chevrolet trailblazer 2wd rpo code list, p.1.
GM factory document — 2008 chevrolet trailblazer 2wd rpo code list, p.1.
GM factory document — 2009 chevrolet trailblazer 2wd rpo code list, p.1.

This page aggregates every documented appearance of N40 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.