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1999 Siverado - Service 4WD warning

Discussion in '1992-Present Chevy & GMC models' started by BorregoK5, Dec 18, 2002.

  1. BorregoK5

    BorregoK5 1/2 ton status

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    I've got a 99 Silverado 4x4 that intermittently brings up a Service 4WD warning. GM is stumped, no apperent rhyme or reason and nothing seems to be failing or wrong. Anyone else experience this?
     
  2. MudNurI

    MudNurI 1/2 ton status

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    do a search at www.thedieselpage.com under the 2500 tranmsission/drivetrain section...if I remember correctly- there was a few over there with this problem-

    Brandy
     
  3. nash69

    nash69 Registered Member

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    I had that pro once on mine. I believe there is some sort of redisgned fluid for the trans and xfer case. least thats what they told me. thye seem to be a reputable dealer though so i venture to say you should ask about it.
     
  4. DuneRunnersDad

    DuneRunnersDad Registered Member

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    Had mine replaced on my '01 a couple months back under warrenty. Dealer said this happens all the time. Something about a low volt/amp type thing from the BAD SWITCH that prompts the computer to display the "Service 4WD" to pop up. Same thing happened to my neighbors '00 p/u. As I recall the price for the part was around $15-$20.
     

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