Knocking noise on right side when applying pressure to brakes!
I have a 2003 audi A4 3.0! I hear a knock on the right side when hitting the brakes and i can feel it from the bottom of my feet when ridding in the passenger seat! I also hear it when going over a bump like a clunk noise, im just wondering what that could be?
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This fault is a bit srange, when you apply the brake pedal you here a
"Knocking" noise from the front of the car, alternating from one side to the other, the cause of this is a bad earth in the rear light clusters,
which results in the headlight motors activating "Jumping" thus causing the noise, solution is to clean the conections and conecting
blocks of the rear light clusters in extreme cases change the rear light clusters but a good cleaning should fix it hope this was helpfull
The noise will be in the brake disc rotors and could be the inside face cracked . Have a brake specialist shop do the check as the knocking noise under brakes will have nothing to do with a transmission.
See if you can bounce car and replicate the noise. If you can, you should be able to find it, and put your hand on it. Stabilizer bushing are a place to look, both at the lower a arm and on the frame. If you narrow it down to the strut, it will need to be replaced. The front trans mount also goes bad, try putting it in drive with your foot on the brake and give it some gas and see if the engine moves an excessive amount.
REAR BRAKE NOISE - SHOE AND LINING KIT
A shoe and lining kit is available for installation if an Elantra (XD) or Accent (LC)
equipped with rear drum brakes exhibits a chattering noise from the rear brakes when
the brakes are applied.
• Accent (LC) and Elantra (XD) equipped with rear drum brakes and in the following
Production Date and VIN Range:
For further information, refer to the applicable Shop Manual.
Model Production Date Range VIN Range
ACCENT (LC) May 21,1999 - Dec. 28, 2005 ALL WITH DRUM
ELANTRA(XD) June 30, 2000 - May 23, 2006 JOB#1-