citations for verification . please help improve this article by adding citations to reliable sources . unsourced material may be challenged and removed . may 2014 learn how and when to remove this template message gm certified service type subsidiary founded 1977 headquarters detroit michigan united states parent general motors website gm certified service gm certified service is an auto repair service for general motors . in 2011 gm replaced the goodwrench brand in the us with cadillac buick chevrolet and gmc certified service brands canada followed in 2014 . contents 1 background 2 nascar sponsorships 3 references 4 external links background edit goodwrench took to the airwaves in 1977 as a way to market general motors franchised dealers service departments replacing a patchwork of separate gm divisional offerings . at the time gm marketed vehicles in the us under the chevrolet pontiac oldsmobile buick cadillac and gmc brands . television commercials in the united states used actor barry coe as a spokesman . jerome h. peleaux was the creator and tester of the program for gm . the mr. goodwrench program as originally conceived required each dealer to adhere to a set of service delivery standards requiring high levels of factory training parts on hand and service department amenities . the program was backed with a national advertising campaign which featured the iconic mr. goodwrench as the helpful mechanic who could fix whatever ailed your vehicle . through several iterations the advertising campaign worked its way into the lexicon of americana by becoming shorthand for someone who can fix things . for many years jay leno included his portrayal of mr. badwrench the evil twin of mr. goodwrench in his stand up act ; the nasa space shuttle astronauts compared themselves to mr. goodwrench when they were fixing the hubble space telescope . the name according to comedian george carlin was also used for the penis . beginning in 1996 the brand was changed to become gm goodwrench service plus dropping the mr. and the human representations . in february 2011 general motors phased out the goodwrench brand in the united states as it sought to focus its marketing efforts on its four brands . 1 the goodwrench name was still used for service in canada until march 2014 when gm goodwrench was re branded as gm certified service . nascar sponsorships edit from 1988 until 2005 gm goodwrench service plus was the primary sponsor for richard childress racing in nascar . in 2006 they reduced their role as the no. 29 car split sponsorship with hershey s. on october 7 2006 general motors announced that it would step down as one of the longest running nascar title sponsors with royal dutch shell taking over as the main sponsor for the no. 29 rcr chevrolet driven by kevin harvick . with this change gm s service and parts operations closed a major chapter in nascar history . since signing on with the rookie of the year driver dale earnhardt as an associate sponsor in the early 1980s and assuming title sponsor status for the 1988 season goodwrench was present in the winners circle for six of earnhardt s seven winston cup series championships . following earnhardt s death on the last lap of the 2001 daytona 500 rcr and goodwrench moved the sponsorship from the trademark 3 car to no. 29 with harvick as the driver . goodwrench remained an associate sponsor for the 2007 season . in 2008 after a 22 year partnership gm goodwrench ended its sponsorship with nascar and richard childress racing as a result of budget cuts from general motors . references edit hugh collins november 9 2010 . gm to phase out goodwrench brand . daily finance . archived from the original on 2010 11 14 . retrieved december 28 2010 . external links edit gm certified service chevrolet certified service gmc certified service buick certified service cadillac certified service v t e general motors divisions and subsidiaries vehicle brands buick cadillac chevrolet gmc holden holden special vehicles opel opel performance center vauxhall services acdelco gm certified service gm financial onstar geographic general motors canada cami automotive general motors de mexico general motors do brasil general motors egypt general motors india chevrolet sales india private limited general motors south africa general motors japan opel group shareholdings faw gm 50 % gm avtovaz 41.61 % gm korea 96 % chevrolet europe gm vietnam gm uzbekistan 25 % uzdaewooavto 50 % hrl laboratories 50 % saic gm 49 % saic gm wuling 34 % baojun industries m caniques maghr bines 20 % products and technologies platforms transmissions hybrids vehicles engines i3 family 0 sge i4 family 0 sge family 1 mge family ii ecotec v6 high feature gen v v8 gen iv gen v former divisions joint ventures and subsidiaries allison engine company 1929 1995 allison transmission 1929 2007 atlantic aircraft dayton wright company 1919 1923 delco electronics delphi 1994 1999 detroit diesel 1938 1988 directv 1994 2003 electro motive diesel 1930 2004 electronic data systems 1984 1996 euclid trucks 1953 1968 fisher body fleetwood metal body frigidaire 1919 1980 general motors europe 1986 2010 general motors diesel division 1938 1987 general motors diesel 1949 1969 ghandhara industries 1953 1963 gm defense 1950 2003 gmac ally 1919 2013 gmac real estate 1998 2008 gmc heavy trucks hughes aircraft 1985 1997 hughes electronics 1985 1997 hughes network systems 1987 2003 hughesnet direcway direcpc 1996 2003 kettering university national city lines nummi 1984 2009 new venture gear 36 % 1990 2002 nexteer 2009 2010 north american aviation 1933 1948 nuvell financial services 1997 2008 panamsat 1995 2003 remy electric 1918 1994 rochester products division terex united australian automobile industries 1989 1996 winton motor carriage company yellow coach manufacturing company 1925 1943 places renaissance center gm technical center gm proving grounds factories people william c. durant founder tim solso chairman mary barra ceo dan ammann president other general motors foundation history reorganization general motors motorama streetcar conspiracy concept of the corporation ignition switch recalls category commons retrieved from https en.wikipedia.org w index.php title gm certified service & oldid 738284622 categories general motors subsidiariesdale earnhardthidden categories articles needing additional references from may 2014all articles needing additional references navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages add links this page was 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