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[Solved] GOLF V - Left Wheel Knocking Sound Over Holes & Uneven Surfaces: New Shocks, Springs & Bearings

kenumo 12207 12
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  • #1 17123366
    kenumo
    Level 10  
    Posts: 172
    Rate: 38
    Hello, I have such a problem recently, I started to knock something in the left wheel while driving straight ahead at low speed when the wheel hits a hole unevenness, you can hear a strange knock, shock absorbers have been replaced x2 spring ok, pillow Shock absorber bearing new, rod stabilizer, rocker pin, hub with the bearing because it was humming, the joint at the hub and the knocking still shows, at the diagnostic station it was said that it is ok and I have no idea what can knock like that, I will add and knocking is like a wheel hits a hole unevenness, while when driving normally silence only shows as on a small the speed I'm going.


    Anyone have any ideas what it could be ???? or where to go with it ??
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  • #2 17123935
    DriverMSG
    VIP Meritorious for electroda.pl  
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    99% swingarm pin. It's hard to check when the suspension is spring loaded, and it makes quite a lot of noise when it is slack.
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  • #3 17124139
    kenumo
    Level 10  
    Posts: 172
    Rate: 38
    DriverMSG wrote:
    99% swingarm pin. It's hard to check when the suspension is spring loaded, and it makes quite a lot of noise when it is slack.


    I wrote that it is replaced with a new one, I wonder if the end of the steering rod can knock like this because I already have no idea.
  • #4 17124394
    DriverMSG
    VIP Meritorious for electroda.pl  
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    Tip can be checked - easy access.
    I am surprised that the suspension was not replaced with such a renovation.

    kenumo wrote:
    I wrote that it is replaced with a new one
    You probably wrote by editing, because there was no mention of it.

    Check also the feet of the engine, gearbox, brake mounts (pads, disc).
    Arrangement of the spring in the sockets, the driveshaft joints.

    What was missing from the suspension?
  • #5 17124408
    kenumo
    Level 10  
    Posts: 172
    Rate: 38
    I am gradually making the suspension and only the tips are left because I have no other idea, and how can I check the tips myself if they are ok?

    However, on Monday I will visit the control station for diagnostics again, I will see if anything comes out there.
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  • #6 17124440
    DriverMSG
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    kenumo wrote:
    and how to check the tips yourself are they ok?
    You will not check yourself, you need someone to help you with the steering wheel at a standstill, and you can check what is happening with the tips.

    Check the "sled" mounting to complete the set. Tighten or replace the screws.
  • #7 17124466
    kenumo
    Level 10  
    Posts: 172
    Rate: 38
    I'm going to check the mounting of the sled, etc ... tomorrow I will go to diagnostics and see what's next ...

    Added after 37 [minutes]:

    The sledge is checked, the diagnostic station remains.
  • #8 17124529
    helmud7543
    Level 43  
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    Make sure that another element is not breaking (I know the case of the gas filter knocking on the engine valve cover, it always knocked at low speeds when the right front wheel was driving into the hole). The sound was identical to the broken stabilizer link. As for the suspension - unfortunately to be verified again - something missed or spartolored. It is different at the stations, on one it is worn out, on the other they say that everything is ok (with the test, of course).
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  • #9 17124531
    kenumo
    Level 10  
    Posts: 172
    Rate: 38
    I have no gas, this thing is knocking in the suspension, on Monday I will come to the suspension and geometry checks to see if there are any backlash etc.
  • #10 17124540
    DriverMSG
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    By the way, on the jack, ask to check the driveshaft joints.
  • #11 17124550
    kenumo
    Level 10  
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    I replaced the joint with a new one at the wheel hub, there is a mechanic on Monday and it will be easier to inspect and check the suspension because a lot is replaced.
  • #12 17133054
    kenumo
    Level 10  
    Posts: 172
    Rate: 38
    The problem solved strange knocking is the effect of a damaged handle / spring of the brake pad that is embedded in the piston, probably the mechanic damaged the hub when replacing the hub and did not deign to put on new ones, which resulted in this knocking in the suspension, below the damaged block.

    GOLF V - Left Wheel Knocking Sound Over Holes & Uneven Surfaces: New Shocks, Springs & Bearings
  • #13 17133056
    kenumo
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    Posts: 172
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    After replacing the brake pads, the problem was gone.
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Topic summary

✨ The discussion revolves around a knocking sound from the left wheel of a Golf V when driving over uneven surfaces. The user has replaced several components including shock absorbers, springs, bearings, and stabilizer links, yet the issue persists. Various suggestions are made, including checking the swingarm pin, steering rod ends, engine and gearbox mounts, and driveshaft joints. Ultimately, the problem was identified as a damaged brake pad spring, which was resolved by replacing the brake pads, eliminating the knocking sound.
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FAQ

TL;DR: Golf V front-left knock over bumps? "99% swingarm pin" and hard to check under load; use this checklist to confirm fast. [Elektroda, DriverMSG, post #17123935]

Why it matters: Helps Golf V owners quickly pinpoint knocks without replacing parts blindly, improving safety and saving cost.

Quick Facts

What’s the most common cause of a Golf V front-left knock over bumps?

The lower control arm ball joint is a prime suspect. It is difficult to spot when the suspension is spring‑loaded. It can make loud knocks once slack appears. “99% swingarm pin.” [Elektroda, DriverMSG, post #17123935]

My Golf V knocks only at low speed when the left wheel hits small holes. What does that suggest?

That pattern points to a single loose part reacting to sharp inputs. The owner reported silence while cruising, but knocks on small holes. Focus on the left-front corner first. Then verify joints, brake mountings, and hardware there. [Elektroda, kenumo, post #17123366]

Could bad brake pad hardware cause suspension-like knocking?

Yes. In this case, a damaged brake pad retaining spring inside the caliper piston caused the noise. The spring let the pad move and knock over bumps. The post shows the damaged part. Quote: “damaged handle/spring of the brake pad.” [Elektroda, kenumo, post #17133054]

What exactly fixed the issue in this thread?

Replacing the front brake pads eliminated the knock completely. That included fitting correct hardware in the caliper piston. “After replacing the brake pads, the problem was gone.” [Elektroda, kenumo, post #17133056]

How do I check the tie-rod end (steering rod tip) correctly?

“You will not check yourself, you need someone to help you with the steering wheel at a standstill.” 1. Park safely and chock wheels. 2. Have a helper rock the steering left–right. 3. Watch inner and outer tips for play or clunks. Replace any joint showing delay or movement. [Elektroda, DriverMSG, post #17124440]

What else should I inspect beyond shocks and links?

Inspect engine and gearbox mounts for play. Check brake mounts, including pads and discs, for looseness. Verify the spring sits correctly in its seats. Check driveshaft joints for play and noise. These items often mimic suspension knocks. [Elektroda, DriverMSG, post #17124394]

Should I check the subframe (“sled”) mounting bolts?

Yes. Loose subframe bolts can transmit knocks into the cabin. Inspect the mounting points and service hardware as needed. “Tighten or replace the screws.” Replace stretch bolts during subframe service to maintain clamping force. [Elektroda, DriverMSG, post #17124440]

Should I have the driveshaft joints checked too?

Yes. Have a technician inspect the driveshaft joints while the car is on a jack. “By the way, on the jack, ask to check the driveshaft joints.” Play here can present as a knock on bumps. [Elektroda, DriverMSG, post #17124540]

The diagnostic station said everything is OK, but I still hear a knock. Now what?

Get a second inspection and request a targeted check of mounts and brake hardware. One station may miss play that another finds. “It is different at the stations.” Ask for a road test over uneven surfaces. [Elektroda, helmud7543, post #17124529]

Can non-suspension parts mimic a stabilizer link knock?

Yes. A loose engine-bay component can sound identical to a worn stabilizer link. A cited case was a gas filter tapping the valve cover at low speeds. Verify clearances and mountings around the engine. [Elektroda, helmud7543, post #17124529]

I already replaced two front shocks, yet the knock remains. What does that tell me?

Two new shocks were installed here, and the knock persisted. That points away from dampers and toward mounts, joints, or brake hardware. Redirect diagnosis before replacing more parts. [Elektroda, kenumo, post #17123366]

Why can a worn ball joint be missed during routine checks?

Load can mask play when the car sits on its wheels. Movement shows only when the joint is unloaded or slack increases. The noise may still be loud on bumps. [Elektroda, DriverMSG, post #17123935]

Could a hub or bearing job cause a new knock?

Yes. During hub service, pad hardware can be damaged or omitted. In this thread, the pad spring in the piston was compromised. Knocking stopped only after new pads were fitted. [Elektroda, kenumo, post #17133054]
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