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2003 Chevy 3800 motor

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  • #438749
    813bam813bam
    Participant

      Anyone experiencing problems with these motors going bad prematurely?

      I have a 2003 Monte Carlo SS that would run out of oil to were the light would come on when it was a year old.(bought it new)

      At 130,000 & 9yrs old I had a motor put in because something to do with intake, antifreeze,and motor getting ruined….

      I’ve heard of others with same motor in a Grand Prix having the same thing wrong & Chevy won’t recall.

    Viewing 5 replies - 1 through 5 (of 5 total)
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    • #438750
      HOYSHOYS
      Participant

        Is the low oil or oil pressure light coming on?

        Where is the oil going? Where is it leaking from?

        #438751
        Trcustoms719Trcustoms719
        Participant

          A lot of these engines went bad because of their lower intake manifold gasket problems..

          #438752
          dreamer2355dreamer2355
          Participant

            Quoted From Trcustoms719:

            A lot of these engines went bad because of their lower intake manifold gasket problems..

            +1

            #438753
            619DioFan619DioFan
            Participant

              Quoted From dreamer2355:

              +1

              + 2 and that rotten dexcool.

              #438754
              3SheetsDiesel3SheetsDiesel
              Participant

                Yep, the lower intake manifold gaskets are a known problem with those engines (as well as the 2.8, 3.1 and 3.4 engines). It’s not too terrible to replace that gasket, but it is time consuming. Just make sure that you use Fel-Pro Perma-Dry gaskets, rather than the gaskets that you can get from the dealer. I had a customer with a 3.1 powered Malibu insist on using GM parts, and it came back leaking about a year later. I replaced the leaking gasket with Fel-Pro gaskets and it hasn’t leaked since, and that was 4 years ago when I replaced it the second time.

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