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My 3100 Leaks a Quart of Oil Every Month

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  • #16
    gpchris.. are you in lowell, indiana??
    no. Why?

    Why is this in the pushrod section?
    Because my 3.1 is leaking oil

    So can I change it without pulling the intakes?

    -GREEN 1995 Pontiac Grand Prix SE - L82/5spd MTX +
    -White 1995 Pontiac Grand Prix GTP - 97 207DOHC/6SPD MTX +

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    • #17
      I Thought u were.. I was putting some info together.. I guess i was wrong..
      My Mistake!! Sorry
      Robert
      ---------------------------------------------------
      96 Grand Prix SE 3100 202,000 miles
      New Rebuilt 3100
      New Rebuilt 4T60-E
      Exhaust
      Drilled/Slotted Rotors


      95 Grand Prix GTP 177,000 miles
      White
      3" Magnaflow Catback
      Lowered 2" Eibach in front Brichmount Rear
      94-96 Hi-Po 5 Stars on 245/50/16


      90 Pontiac Turbo Grand Prix
      5 Speed Swapped
      127,000
      Spec Stage 3 Clutch
      230,000 mile Getrag 282
      Emissions Deleted
      Brand new Engine 1,000 Miles
      Fully Custom Built car

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      • #18
        Originally posted by gpchris View Post
        no. Why?


        Because my 3.1 is leaking oil

        So can I change it without pulling the intakes?
        Do'h!


        Now's a good time to replace the uimg while you're in there replacing the O-ring. It's not that hard to do, should take you an hour if you're good with the hand tools.
        Lifting my front wheels, one jack at a time.

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        • #19
          I was going to say at the least I believe you have to pull the UIM.
          sigpic
          1994 Oldsmobile Cultass Supreme SL
          3400/Getrag 284 5spd
          1995 Chevy K1500 350c.i. 5spd Z71
          350/NV3500 5spd
          2014 Chevrolet Malibu LS

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          • #20
            Originally posted by 94GPGTP View Post
            I Thought u were.. I was putting some info together.. I guess i was wrong..
            My Mistake!! Sorry
            ??


            And can I reuse my year old UIM gasket?

            -GREEN 1995 Pontiac Grand Prix SE - L82/5spd MTX +
            -White 1995 Pontiac Grand Prix GTP - 97 207DOHC/6SPD MTX +

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            • #21
              You can reuse the uimg, but they are so cheap, why not just buy new ones?
              Lifting my front wheels, one jack at a time.

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              • #22
                It's more fun to live dangerously.
                sigpic New 2010 project (click image)
                1994 3100 BERETTA. 200,000+ miles
                16.0 1/4 mile when stock. Now ???
                Original L82 Longblock
                with LA1, LX9, LX5 parts
                Manifold-back 2.5" SS Mandrel Exhaust. Hardware is SS too.

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                • #23
                  I replaced the distrubutor oring. To do so i had to remove the fuel rail. Now Im leaking gas. In short trips i can open the hood and see puddles of gas on the LIM by the injectors. I took it all apart again and replaced the lower injector orings and still leaking... Now what? I dont understand how its leaking fuel. The rail is tight..

                  -GREEN 1995 Pontiac Grand Prix SE - L82/5spd MTX +
                  -White 1995 Pontiac Grand Prix GTP - 97 207DOHC/6SPD MTX +

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                  • #24
                    Could be upper injector o-rings.
                    -60v6's 2nd Jon M.
                    91 Black Lumina Z34-5 speed
                    92 Black Lumina Z34 5 speed (getting there, slowly... follow the progress here)
                    94 Red Ford Ranger 2WD-5 speed
                    Originally posted by Jay Leno
                    Tires are cheap clutches...

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                    • #25
                      But they're cliped on.. How could I have done anything to them. Is it possible that its a cracked injector?

                      -GREEN 1995 Pontiac Grand Prix SE - L82/5spd MTX +
                      -White 1995 Pontiac Grand Prix GTP - 97 207DOHC/6SPD MTX +

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                      • #26
                        mine done the same thing, even tho there clip on, its possible that its the upper o ring. when i first got my hybrid running i had to change EVERY upper o-ring before it would stop leaking. and also, make sure they have a bit of oil on them. and seated properly
                        sigpic

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                        • #27
                          Even clipped they can be moved and if they are moved a little bit (taking the rail off the LIM) then you now have the o-ring at a different angle and the depression from being at a certain angle now is moved, so it can leak.
                          sigpic New 2010 project (click image)
                          1994 3100 BERETTA. 200,000+ miles
                          16.0 1/4 mile when stock. Now ???
                          Original L82 Longblock
                          with LA1, LX9, LX5 parts
                          Manifold-back 2.5" SS Mandrel Exhaust. Hardware is SS too.

                          Comment


                          • #28
                            It was the oring that on the tube that connect each end of the fuel rails.

                            -GREEN 1995 Pontiac Grand Prix SE - L82/5spd MTX +
                            -White 1995 Pontiac Grand Prix GTP - 97 207DOHC/6SPD MTX +

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                            • #29
                              Ok got that fixed now It takes a couple extra seconds to start and the check engine light comes on when it gets to operating temp.. any ideas guys?

                              -GREEN 1995 Pontiac Grand Prix SE - L82/5spd MTX +
                              -White 1995 Pontiac Grand Prix GTP - 97 207DOHC/6SPD MTX +

                              Comment


                              • #30
                                Have you checked to see what code is set? You may have pinched a wire or something during the work.
                                -Brad-
                                89 Mustang : Future 60V6 Power
                                sigpic
                                Follow the build -> http://www.3x00swap.com/index.php?page=mustang-blog

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