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  • Strange sound coming from Mk4 front

    Hey guys,

    Can anybody help me identify this noise coming from the front of my car?

    I heard/felt a loud THUMP around the front left corner while going around a roundabout a few days ago and then again while driving into my driveway. It pretty much felt like i had hit a pot hole and since then the car has made a strange noise whenever i take my foot of the accelerator.

    Tonight i stopped at the lights and put the car in 1st, it then wouldn't take off in first gear and felt like i had my handbreak on everytime i tried to take off. Since then, whenever i take my foot off the accelerator the car makes an even louder noise that sounds like a mixture of grinding and something flapping around in the front. It is louder when in gear but also noticable in neutral.

    Sorry, we couldn’t find that page


    Any help would be greatly appreciated.




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  • #2
    Not good man!
    Sorry if I'm not much help but have you checked your driveshafts, cv's, wheel bearings, ball joints? [emoji16]
    __________________________________________________ ______
    MK4 GTI - Reflex Silver - <<<Click for Build!<<<
    -Previously Owned a MK4 1.6L Golf - Reflex Silver

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    • #3
      I hope it is not but I think you may have lost your crown wheel rivets.
      Mine went in similar fashion.
      Hit a huge pot hole, then the noise started. I thought I had a flat. Car drove OK for a day or 2 before dying. I was lucky it did not punch a hole in the casing. mechanic knew as soon as he drained the gearbox oil and a rivet head fell out.
      MK4 GTI - Sold
      MK5 Jetta Turbo - Sold
      MK5 Jetta 2.Slow - Until it dies.

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      • #4
        Originally posted by caputo9 View Post
        Not good man!
        Sorry if I'm not much help but have you checked your driveshafts, cv's, wheel bearings, ball joints? [emoji16]
        Thought it was CV's at first man but them and the driveshafts are all fine. I thought it might be some type of bearing or something to do do with gearbox (which i hope not lol)

        Originally posted by JustCruisn View Post
        I hope it is not but I think you may have lost your crown wheel rivets.
        Mine went in similar fashion.
        Hit a huge pot hole, then the noise started. I thought I had a flat. Car drove OK for a day or 2 before dying. I was lucky it did not punch a hole in the casing. mechanic knew as soon as he drained the gearbox oil and a rivet head fell out.
        I didn't actually hit a pothole, that's just what it sounded/felt like. The car made a massive clunk noise like the wheel had hit something but there is no holes or bumps on the road i was on

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        • #5
          Common diff failure.You should have had it looked at when it first happened.Driving it around has most likely damaged it beyond repair.

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          • #6
            you ended keeping the MK4 dude?

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            • #7
              Originally posted by Stanton View Post
              Common diff failure.You should have had it looked at when it first happened.Driving it around has most likely damaged it beyond repair.
              Would that also be making noise when accelerating?
              Originally posted by RM86 View Post
              you ended keeping the MK4 dude?
              It's up for sale man. Had some interest but no buyer yet. Obviously wanna make sure it is fully functional now before it does sell

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              • #8
                When was your clutch last changed?

                Bit left of field - but you might have a case of a really badly slipping clutch and a busted flywheel?

                Otherwise, if you can't find anything obvious in the suspension & driveshafts then it's likely to be a diff/gearbox issue.

                Have you tested your bearings for play? You do this by lifting the car and grabbing the wheel at 12 & 6 o clock and trying to shake it.
                Do the same horizontally to check for ball joint play.

                It'd be worth checking out your driveshafts as well. Find a court and turn your car lock-to-lock both directions for any clicking noises.
                Originally posted by MightyCarMods
                I'd rather lose by a mile because I built my own car, than win by an inch because someone else built it for me. Your car is your story, so don't let someone else write the book.

                -| "Laura" - 2001 Bora 4-motion (now sold) |-

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                • #9
                  Originally posted by RubAVeeDubDub View Post
                  When was your clutch last changed?

                  Bit left of field - but you might have a case of a really badly slipping clutch and a busted flywheel?

                  Otherwise, if you can't find anything obvious in the suspension & driveshafts then it's likely to be a diff/gearbox issue.

                  Have you tested your bearings for play? You do this by lifting the car and grabbing the wheel at 12 & 6 o clock and trying to shake it.
                  Do the same horizontally to check for ball joint play.

                  It'd be worth checking out your driveshafts as well. Find a court and turn your car lock-to-lock both directions for any clicking noises.
                  Will definitely try this tomorrow before i take it to the mechanic, thank you man. Yeah i changed the clutch and flywheel at the end of 2014

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                  • #10
                    bugger, no good mate,
                    let us know what you find!
                    crap in your gearbox will grind at all sorts of weird times
                    Last edited by blackers10; 09-06-2015, 10:16 PM.

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                    • #11
                      Turned out to be the gearbox guys. Same reason why my speedo isn't working too

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                      • #12
                        Not good man! Assuming that she's all fixed now? And your pocket is much lighter than it was before? Aha
                        __________________________________________________ ______
                        MK4 GTI - Reflex Silver - <<<Click for Build!<<<
                        -Previously Owned a MK4 1.6L Golf - Reflex Silver

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                        • #13
                          Originally posted by caputo9 View Post
                          Not good man! Assuming that she's all fixed now? And your pocket is much lighter than it was before? Aha
                          Not yet man. Dropped the sale price for now to sell as is but i might be ordering a new box from NSW this weekend to repair it

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                          • #14
                            Originally posted by SLAJ View Post
                            Turned out to be the gearbox guys. Same reason why my speedo isn't working too
                            That will be $200 for the diagnostics, I take bitcoin.

                            When I did mine I needed new bolts in the diff, a new 1st gear, a syncro and some seals.
                            But the kicker was the 6 weeks for a new plastic speedo gear.

                            A rebuilt box is probably the best option for longevity or an original from a wrecker if you are just going to sell it off.
                            MK4 GTI - Sold
                            MK5 Jetta Turbo - Sold
                            MK5 Jetta 2.Slow - Until it dies.

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                            • #15
                              Ahh damn!
                              I'm pretty sure I saw a guy wrecking a mk4 gti in one of the groups on facebook in Victoria the other day
                              __________________________________________________ ______
                              MK4 GTI - Reflex Silver - <<<Click for Build!<<<
                              -Previously Owned a MK4 1.6L Golf - Reflex Silver

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