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I have a Mark IV Jetta. Somewhere from the right rear or underneath the car is a dull knocking noise when driving over certain bumps on the road surface. It is not there constantly, only on certain road surfaces or when hitting certain bumps in the road.
I have checked the exhaust, replaced shocks and shock mountings, shock buffers as well as rear axle bushes. I have gone so far as to remove everything from the boot including spare wheel, as well as the rear parcel shelve/shelf. I have driven with rear seats locked in place and fold down. Noise persist. Someone tells me it might be the fuel tank but the tank is secured and tight.
Does anyone have an answer.
Brother Luv
I have checked the exhaust, replaced shocks and shock mountings, shock buffers as well as rear axle bushes. I have gone so far as to remove everything from the boot including spare wheel, as well as the rear parcel shelve/shelf. I have driven with rear seats locked in place and fold down. Noise persist. Someone tells me it might be the fuel tank but the tank is secured and tight.
Does anyone have an answer.
Brother Luv