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2003 Dodge Caravan

  • Creator
    Topic
  • #438786
    ziggyhogheadziggyhoghead
    Participant

      I have a loud knocking noise coming from

    Viewing 15 replies - 1 through 15 (of 16 total)
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      Replies
    • #438788
      nfs480nfs480
      Participant

        Does the sound vary at all with the temperature of the engine or by RPMs?

        #438789
        MattMatt
        Participant

          How is the van running? Do you have a check engine light? How many miles? It COULD be a lifter noise (I’m not sure what engine is in the vehicle), which would be irritating, but not extremely damaging. If it is an overhead cam engine, the valves could need adjusting. If the shop you took it to said it was not a problem, and didn’t try and sell you anything, why are you concerned? Just trying gather evidence to help you.

          #438790
          ziggyhogheadziggyhoghead
          Participant

            The van doe not over heat or burn oil it loudier when it is cold but it sttil there when van is warm up

            #438791
            MattMatt
            Participant

              that sounds like a lifter tick to me. shouldn’t hurt anything really.

              #438792
              EricTheCarGuy 1EricTheCarGuy
              Keymaster

                Without hearing the noise it’s impossible to say for sure but here is a video that I did on finding noises that may help you find it’s location.

                http://www.youtube.com/watch?v=6mpNRJ7m-c8

                #438793
                dreamer2355dreamer2355
                Participant

                  What vehicle are you working on?

                  Make sure you are using the correct viscosity oil also.

                  #438794
                  3SheetsDiesel3SheetsDiesel
                  Participant

                    I remember reading about a Caravan (I forget what year exactly) that had what sounded like a lifter noise. The guy who was working on it checked everything in the top end of the engine and everything checked out just fine. It turned out to be the number 2 connecting rod was knocking, which was making it sound like a lifter tick.

                    #438795
                    Trcustoms719Trcustoms719
                    Participant

                      Do you have the correct oil in it for your temp where you live?
                      It’s hard to tell from the video what your talking about.
                      How many miles are on it?

                      #438796
                      dreamer2355dreamer2355
                      Participant

                        It sounds like valve train noise.

                        I would first check the oil level and as suggested above, make sure you at using the correct viscosity.

                        If you thinking you may have an oil pressure issue, i would use a mechanical oil pressure gauge and see what the exact readings are.

                        How many miles are on the vehicle?

                        #438797
                        ziggyhogheadziggyhoghead
                        Participant

                          I used 10w30 mobil 1 oil in van and i have it change every 3000 miles the oil is full. I live in alliance nebraska pandhandle.

                          I am a retired bnsf railroad engineer i do not know much about working on car.

                          Being handicap from job i was concern van wasn’t save to drive to the doctor out of town.

                          86,000 mile

                          #438798
                          RickRick
                          Participant

                            The spec is 5w30.

                            #438799
                            MattMatt
                            Participant

                              The 10w30 vs 5w30 only matters in the winter. The w is the winter weight, and that’s not a huge difference, unless it’s like negative degrees outside.

                              #438787
                              ziggyhogheadziggyhoghead
                              Participant
                                #438800
                                college mancollege man
                                Moderator

                                  if you rev the motor does the sound get worse? if you drive it does it sound like marbles in the engine? you only have 6,000 miles on vehicle.

                                  #438801
                                  Trcustoms719Trcustoms719
                                  Participant

                                    Like beefy said 10w30 should not be that big of an issue unless it really really cold out.
                                    You need a mechanics stethoscope (or a screw driver) and listen around the engine to try and pin point where the sound is coming from.

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