Skip to content

Speak to one of our experts.

Expert Form

Section

HomeAdvice BlogVW Golf, Audi A3, Skoda Octavia or Seat Leon Knocking From the Front Suspension? It Could Be the Front Wishbone Rear Bush

10 June 2026

VW Golf, Audi A3, Skoda Octavia or Seat Leon Knocking From the Front Suspension? It Could Be the Front Wishbone Rear Bush

Share:

Advice Blog

If you’re searching for:

Then you’re looking at one of the most common suspension problems found across modern Volkswagen Group vehicles.

The front wishbone rear bush is a known wear item on many Audi, Volkswagen, Seat and Skoda models. As the original rubber bush ages and deteriorates, it can cause a surprising number of handling and suspension issues that many owners mistakenly diagnose as worn shock absorbers, track rod ends or wheel alignment problems.

The good news? It’s often a relatively straightforward repair that can completely transform the way the vehicle drives.

What Are the Symptoms of a Failed Front Wishbone Rear Bush?

Most drivers notice the problem gradually.

The car doesn’t suddenly break down. Instead, it starts to feel less precise and less stable than it did when it was new.

Ripped Bush O.E 44EX
1K0-407-183-P & 5Q0-407-183 – Rubber Bushing Failure

Common symptoms include:

Knocking From the Front Suspension

A dull knock or clunk when:

  • Driving over potholes
  • Crossing speed bumps
  • Pulling onto a driveway
  • Braking at low speed

Because the rear bush controls the movement of the wishbone, excessive play often creates noises that seem to come from multiple areas of the suspension.

Vague or Wandering Steering

Does your car feel like it needs constant correction on the motorway?

A worn rear wishbone bush allows the wheel alignment to change slightly under load, making the steering feel less direct and predictable.

Many owners describe it as:

  • Floating steering
  • Loose front end
  • Wandering on uneven roads
  • Reduced cornering confidence

    1K0-407-183-P & 5Q0-407-183 - Rubber Bushing Failure
    Original VW Audi Group Failed Wishbone Bushes

Vehicle Pulling Under Braking

One of the clearest signs of rear wishbone bush wear is instability when braking.

As the bush softens or tears, the wheel can move rearwards under braking loads.

This can create:

  • Steering wheel movement during braking
  • Vehicle drift
  • Reduced directional stability
  • Uneven braking feel

Uneven Tyre Wear

When suspension geometry is no longer held accurately, tyres often begin wearing unevenly.

Replacing tyres without fixing the worn bush usually means the problem returns.

Worn Tyres asset - Web
Worn Tyres Caused By Failed Bushes

Why Does the Front Wishbone Rear Bush Fail?

The simple answer is that rubber wears out.

The original bush is designed to isolate vibration and provide comfort, but over time it is subjected to:

  • Constant braking forces
  • Cornering loads
  • Road impacts
  • Heat cycles
  • Oil contamination
  • Road salt and dirt

Eventually, the rubber begins to crack, soften or separate from its outer housing.

Once this happens, the wishbone can move more than it should.

That movement is what creates the knocking, instability and vague steering that many drivers experience.

The OEM Bushes Most Commonly Replaced

Owners often search for the following OEM part numbers when diagnosing suspension problems:

  • 1K0 407 183 P
  • 1K0 407 183 M
  • 5C0 407 183 A
  • 5Q0 407 183 D
  • 5Q0 407 183 E
  • 5Q0 407 183 J

These bushes are fitted across a huge range of Volkswagen Group vehicles and are one of the most frequently replaced suspension components as mileage increases.

44EX Now Fitted
44EX Fitted To A MK7 Golf

Why Simply Replacing Rubber Isn’t Always the Best Solution

Many owners replace worn bushes with standard rubber replacements only to face the same failure again several years later.

The reality is that rubber remains vulnerable to:

  • Age-related cracking
  • Oil contamination
  • UV exposure
  • Repeated loading
  • Environmental deterioration

For drivers intending to keep their vehicle long-term, a more durable material makes sense.

The Long-Term Solution: Polybush 44EX

Polybush 44EX has been developed as a direct replacement for the original front wishbone rear bush used across many Audi, Volkswagen, Seat and Skoda models.

Manufactured in the UK using Polybush’s proven polyurethane formulation, it is designed to provide long service life whilst maintaining everyday ride comfort.

Front Wishbone Rear Bush – Audi | Seat | Skoda | VW

Benefits of Polybush 44EX

– Direct replacement for OEM bushes

– Longer lasting than traditional rubber

– Improved steering response

– Reduced suspension deflection under braking

– Resistant to oil, chemicals and road contamination

– No grease required

– No squeaking

– Manufactured in the UK

– ISO 9001 quality assured

Unlike conventional rubber bushes, polyurethane does not suffer from the same rapid age-related deterioration, making it an ideal upgrade for daily drivers, performance vehicles and high-mileage cars alike.

Vehicles Covered by Polybush 44EX

This bush fits a wide range of popular Volkswagen Group models, including:

Audi

Volkswagen

Seat

Skoda

Is Your Front Wishbone Rear Bush Starting to Fail?

If your vehicle has developed a front suspension knock, vague steering, instability under braking or uneven tyre wear, the front wishbone rear bush should be one of the first components inspected.

It’s one of the most common suspension failure points across the VW Golf, Audi A3, Skoda Octavia, Seat Leon, Tiguan and related models.

Replacing worn bushes with Polybush 44EX not only restores handling and stability but also helps prevent the same problem from returning in the future.

Polybush 44EX Front Wishbone Rear Bush

OEM References:
1K0407183P, 1K0407183M, 5C0407183A, 5Q0407183D, 5Q0407183E, 5Q0407183J

Kit Contents:
2 x Polyurethane Bushes

In Stock | Fast Dispatch | Manufactured in the UK

Upgrade one of the most common suspension failure points with a long-lasting Polybush solution.

Related Products

No related products found for this post

Related Posts

Replace - 51857841, 51864833, 81857840, 51860150, 51857842, 50709731, 1540225, 1578532, 1672372, 9S51-18125-AB, 9S51-18125-AC, 9S51-18125-AA With Polybush 24Y Rear Upper Shock Absorber Bushing

30 April 2026

Rear Upper Shock Absorber Bush Failure on Fiat 500 & Abarth 312 Explained

See More
Polybush Rear Axle Bushes 47H - Vivaro, Primastar, Trafic

15 April 2026

Rear Axle Bush Upgrade for Nissan Primastar, Renault Trafic & Vauxhall Vivaro (X83) – Polybush 47H Fitment Guide

See More
40BR Fitted To Staff Car - Blog

How to Fit Rear Axle Bushes Ford Fiesta Mk7 | Quick Install Guide + Video

See More
Social Media - 40BR - Netherlands - Dutch_01 - Web

19 March 2026

Ford Fiesta achterasrubbers vervangen? Dé duurzame oplossing voor 2008–2017 (incl. ST)

See More