100,000 miles need some maintanence suggestions

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Cadillac STS-V Series Forum Discussion, 100,000 miles need some maintanence suggestions in Cadillac V-Series Forums; What trans oil,spark plugs, do you guys recommend....
  1. #1
    Psycho-albanian is offline Cadillac Owners Fanatic
    Automobile(s): STS_V
    Join Date
    May 2010

    100,000 miles need some maintanence suggestions

    What trans oil,spark plugs, do you guys recommend.

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  3. #2
    1madstsv's Avatar
    1madstsv is offline Cadillac Owners Connoisseur
    Automobile(s): 08 STS-V,10 escalade,80 sedan deville diesel 13 cts vagon
    Join Date
    Aug 2010
    York pa

    Re: 100,000 miles need some maintanence suggestions

    At 100,000 if you have not changed the trans fluid be for don't do it youwill end up replacing it. As for oil I run Quaker state full synthetic in all my cars. C5 vette 400rwhp 70,000 and still going z28 turbo 35,000 489rwhp and the v 71,000. But that is low miles come-paired to my dads 89 suburban qs from mile 1 to 435,000 when the head gasket went fixed it went another 130,000ish till some one t-boned it at 50mph so I use qs in every thing just keep the oil changed at 3000-5000 miles no mater what. It pays in the end. By the way gm payed for that head gasket because every oil change was documented at 3000 miles and other than starters and altnater the trans and engine were untouched at 435,000 gm wanted a good pr car story. Stock plugs our ngk-tr6 but any plug is ok for dd duty.

  4. #3
    hyvolt's Avatar
    hyvolt is offline Cadillac Owners Member
    Automobile(s): 2007 sts-v
    Join Date
    Jun 2010
    south lyon mi.

    Re: 100,000 miles need some maintanence suggestions

    I run AMSOIL in every thing.

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