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A4 B6 Knocking Noise: Front Left Wheel Tap during Start & Brake; Possible Rocker Arm Issue

gsekulski 38229 14
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  • #1 12873358
    gsekulski
    Level 16  
    Hello. Auto A4 B6, the problem concerns such a single tap as if from the front left wheel when starting (usually when you turn the steering wheel to the left) and when I brake a single quite loud knock to listen. In addition, at the beginning I thought that it was a tire ... namely, not always, but still often hear such a knock knock knock as if something in the tire was sitting but the tire falls off is good. The rubbers on the rocker arms look nice, so rather, the rocker arms are ok. Anyone know what it can be?
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  • #2 12873368
    jofa-j1
    Level 17  
    Check how the brake pads are seated. It happens that they are loose in the yokes and they tap like that.
  • #3 12873538
    Anonymous
    Level 1  
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  • #4 12873692
    nowy_90
    Level 14  
    The pads would not knock when braking. All suspension bolts to be checked. Check that the wheels and joints are tightened.
  • #5 12873867
    gsekulski
    Level 16  
    in addition, I put it in the garage and something is leaking from under it, i.e. from the engine cover in the middle of it. Although he had the gas set up a few days ago, it may be related to it. In addition, while driving, while turning the steering wheel, listen to such a whistle from the wheel.
  • #6 12873899
    Przemo9826
    VIP Meritorious for electroda.pl
    Should we go under this car and remove the cover?
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  • #7 12873925
    T5
    Admin of Cars group
    I am going so that you have a lot of free time ......
  • #8 12873991
    gsekulski
    Level 16  
    Przemo9826 wrote:
    Should we go under this car and remove the cover?

    if it doesn't check the problem, please :) or maybe if you asked "and you took the cover off and watched?" And I would say no, because my channel is busy at my friend's mechanic, and tomorrow I have to do a little km and that's why I'm asking on the forum because maybe someone had such a case and it's not worth moving the car tomorrow.
  • #9 12874050
    T5
    Admin of Cars group
    I had. There were loose bolts in the suspension.
    gsekulski wrote:
    I have to do a little km tomorrow
    Are you not afraid
  • #10 12874054
    sebek3
    Level 30  
    This could be a shock absorber bearing [top mount] or a joint.
  • #11 12874254
    Przemo9826
    VIP Meritorious for electroda.pl
    gsekulski wrote:
    because maybe someone had such a case and it is not worth starting the car tomorrow.


    Yes, I had, the guy had a cracked oil pan, someone else had a turbine, they didn't tighten the plug, someone else had a gasket under the filter, another had shaft seal from the flywheel side and the other one from the timing side.

    gsekulski wrote:
    or maybe if you asked "and you took the cover off and watched?


    Or maybe I have to ask if you took your head with you today ??

    As for the suspension, one had a broken joint, the second shock absorber, the third pin, the fourth shock absorber mounting, the fifth wheel was not tightened, but the rubbers looked like all of them ?? !! Come on, man, I tell you, honey raspberry does not sit down, they were so beautiful.

    So list them one by one, you will surely hit the spot.
  • #12 12874369
    gsekulski
    Level 16  
    sebek3 wrote:
    This could be a shock absorber bearing [top mount] or a joint.

    I have a similar impression that it can be a joint. Well, but nothing in the morning I check the fluids and go to work, maybe nothing will fall apart because it is already pounding; /
    As for Przemo9826- cling to other topics, what has a cracked oil pan for this. if the radio stops playing, should I do a general engine overhaul? If you can unscrew and screw the engine cover next to the flashlight and without the channel, I invite you to share the car. You only annoy people more because it is late I need a car tomorrow and I ask politely if anyone knows what it can be.
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  • Helpful post
    #13 12874450
    Przemo9826
    VIP Meritorious for electroda.pl
    Well, I explain to you what can be!

    If you can't take the cover off or you have nowhere to go, don't move the car, disassemble the cover then possibly come back to the forum if you notice something! Why the topic that you are going if you do not even know where what and from where?

    gsekulski wrote:
    I need a car tomorrow


    So what? Tell me what does it mean for the topic? How will it help? If you need it, you had to give it back to the mechanic, not cry on the forum that it is flying, but you have no way to check, but you need a car tomorrow ... Well, comedy, normally ...


    And change the specialization in the profile, because you insult the mechanics.
  • Helpful post
    #14 12875065
    bart1984
    Level 17  
    Przemo: You have health
  • #15 12893713
    gsekulski
    Level 16  
    Przemo9826 wrote:
    Why the topic that you are going if you do not even know where what and from where?

    The main problem was knocking when braking and when starting, and that was the topic of the post.

    Cause of knocking - articulation
    As for the fluid, it has not escaped since then and it is impossible to locate what and where it came from. But the fact admits my mistake and I have partially misjudged the matter.
    Regards

Topic summary

The discussion revolves around a knocking noise from the front left wheel of an Audi A4 B6, occurring during starting and braking, particularly when turning the steering wheel to the left. Initial assumptions about the noise being tire-related were dismissed, as the tire condition was found to be good. Participants suggested checking the brake pads for proper seating, suspension bolts, and potential issues with shock absorber bearings or joints. The author later noted a fluid leak from under the engine cover, which may be related to recent maintenance. Ultimately, the knocking was attributed to articulation issues, and the author acknowledged a misjudgment regarding the problem's source.
Summary generated by the language model.
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