Hoping you guys can help?
When travelling on a slightly rough road or speed humps (especially a cobble stone road), i get a loud rattling noise like a loose bolt or similar.
After experementing a little, i have found that if i slightly leave my foot on the brake or when braking normally, this noise tends to stop.
I have taken to my mechanic & got the pads glued on, as it was suggested by someone that it might be it. But still noise seems to be there & getting worse by the week... Of course i might be completely wrong, it might not even be my brakes, I have honestly ran out of ideas.
Any help would be appreciated,
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Re: rattling noise coming from front & back
Matt, sounds like a suspension or exhaust noise. Grab onto exhaust (engine cold) at several locations (car supported securely so u don't get crushed) and wiggle, tug pull, kick, etc to see if u can get it to make any noise from hitting anything. Look for evidence of the exhaust rubbing against something, by looking for shiny metal due to contact w/ something. Also push up and down on the body of the car as violently as possible to simulate going over bumps. Pay close attention to heat shields around or on the exhaust system, if they are loose, they will make a racket. And, as I said, possibly the suspension is making the noise, but not as likely, pushing up and down on the car body as described above might reproduce the noise. If it isn't the exhaust (my 1st choice), give me more clues if u can. good luck countrycurt0
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Ensure the wheel nuts and Axle nuts are properly torqued to the specification. Lift up the front wheels, place supports under the car and do the following:
- Sit if front of right wheel, slightly move it right and left and feel any abnormal noise if coming out of it. If click-click or Tuck-Tuck sound is observed it could be due to the excessive play in the tie rod end, rack end, ball joint wheel bearing or U joint. Next hold the Tire with your one hand at the top and with other hand at the bottom. Shake the Tire inside out and feel any noise or play. If play is observed, it could be the worn out ball joint or the wheel bearing. Now hit the Tire at the top with rubber hammer and observe any rattling noise coming from near the center of the wheel. If you could listen to the extra noise it could be due to the dried up caliper pins. Grease the pins with graphite grease. If all is found fine, similarly check the left wheel and repair as necessary.
Hi , I cant think of anything between the pedal and booster that would cause this noise,does the steering wobble ? if so could be something in that system , wheel bearings ok ? this is a tough one to diagnose without hearing it
If a hub bearing was bad, it almost always would make noise, more so when changing lanes at higher speed. Outer CV joints make a loud low pitched rattle when turning (corners). Inner CV joints raise hell at high speed- bad shake! Sway links affect cornering and clunk when hitting rough patches of road surface.
Is the vibration worse at 65 than at 50? If so, you are dealing with a wheel balance situation. Find an old time front end shop that will check the balance on the vehicle. You will have to turn off the traction control to do this or use an on-the-car wheel balancer.
If you feel it at some low speeds at it comes back at other higher speeds, then you are dealing with tire roundness. Possible more than 1. More common than we would like.
i used to drive a mk2 golf but now drive a mk1 and i had the same problem, especially when am turning. with my case when i had the rattling problem the cv joint boots needed to be replaced as they were worn out. that is one possible answer to your question. if youre DIY guy you might wanna check that out or go to your mechanic and he might tell you the same thing.
First,as you travel over a rough road that causes the rattle apply the brakes slightly,is the rattle gone now?If so it's loosely mounted brake pads and/or worn brake caliper mounting bolts/sliders.
Rattle still there with your foot on the brake?Then it's usually the sway bar links and/or sway bar bushings.
To check this sway bar noise,disconnect the sway bar links and tie the bar up/out of the way and try that same road.
No noise now? address sway bar bushings and/or links.
Still noise?Might be struts.
If someone tells you,.you have loose lower control arm bushings,have them show you the play in the bushings before you spend any $$$.
Wheel Hub Assemblies: Systems and Diagnosis of Worn Hub Assemblies & Bearings
Front wheel hub assemblies and bearings control the position of, and reduce the resistance of, vehicle wheels in contact with the pavement. When they fail, front wheels may not be kept in position and vibration and noise usually develop. Symptoms that normally develop as a result of these worn parts include:
A humming, rumbling or growling noise which increases with acceleration or as the vehicles turns
Vibration felt in the steering wheel, which changes with vehicle speed or as the vehicle turns
Looseness or excessive play in the steering wheel (especially while driving over rough road surfaces)
A loud, constant grinding noise when driving the vehicle (heard in the most severe cases of a wheel bearing failure)
Pulling to one side when braking.
Roughness - with the vehicle of the ground, roughness or vibration when rotating the wheel
Looseness - with the vehicle off the ground, looseness when wiggling the wheel back and forth (Looseness may also indicate a worn ball joint)
Excessive brake pedal play can also indicate sloppy or excessively loose wheel bearings
ABS failure in the system may be related to failure of the ABS sensor in the hub assembly or the internal sensor in the wheel bearing
The noise from the front could be one of the drop links or one of the bottom ball joints amongst other things, and the noise from the back could indeed be a rear wheel bearing, and it could also be an underinflated tyre.