Saturday 25th September 2021

The fight against annoying noises in the vehicle!

Reading time approx. 7 Minutes

2020 Mazda RX7 F20C Speedhunters by Paddy McGrath 59 1200x800 1 1 The fight against annoying noises in the vehicle!

Rattling, rattling, rattling, ticking and co. - in short, strange noises from the vehicle that weren't there before and you don't know where they're coming from? Here are a few typical causes summarized for you, which should help you to localize the origin of the noises in order to then successfully eliminate them. Noises that don't exactly go with the music coming out of the speakers or the engine are just annoying and sometimes even really dangerous. They arise when the vehicle or rotating components in the vehicle move in any way - or better said when one dynamic movement sets in motion.

First look for yourself, then go to the workshop!

Car magnifying glass for faulty search e1601026013573 The fight against annoying noises in the vehicle!

  1. jump to -> Noise - underside of the vehicle
  2. jump to -> Noise - Powertrain
  3. jump to -> Noises - landing gear
  4. jump to -> Noises - body
  5. jump to -> Noises - vehicle interior

But before you take the trip to the workshop, you should first check whether the source of the noise is possibly in the vehicle interior. If that is the case, you can safely save the workshop costs and you won't get annoyed about it afterwards. It is advisable to turn the entire vehicle upside down (but not literally, please) and the vehicle interior, i.e. the passenger compartment and trunk including the spare tire recess, must be properly cleaned out. PS: The problem definitely comes from the realm of the Bremsanlage or the Wheel bearings? Then read our report on "Squeaking noises when driving a car - that could be the reason!" by.

The elimination process:

Tidying up the car interior lying person rattling e1601026249723 The fight against annoying noises in the vehicle!

All loose objects in the vehicle interior have been removed or have been attached to the places intended for them. But can you still hear the noise? Then it is clear that there must be a functional component in the vehicle that is causing the noise. Other possible sources of noise are listed below to help you orientate yourself, localize and remedy unusual vehicle noises. However, we emphasize that the tips can of course not be generalized. The possibilities and also the personal feeling (one recognizes a squeak, for the other it is a rattle, etc.) way too complex.

Noise from the underside of the vehicle

Frame reinforcement Underbody reinforcement Frame reinforcement Tuning The fight against annoying noises in the vehicle!

  1. Type of noise:
    Clinking / rattling from the underside of the vehicle (especially during load changes and potholes)
    Possible causes:
    Exhaust system rubber mounts defective
    Remedy:
    Replace defective rubber mountings.
  2. Type of noise:
    Rattling / rattling from the middle of the vehicle (especially when using the accelerator)
    Possible causes:
    Broken honeycomb in the catalytic converter / loose chambers in the front or rear silencer
    Remedy:
    Tap the exhaust system with your hand or a rubber mallet to locate it. Replacement of the defective parts.
  3. Type of noise:
    Clinking / clinking while the engine is running
    Possible causes:
    Loose / broken clamps
    Remedy:
    Visual inspection and if necessary tapping for localization. Retighten / replace the clamp.
  4. Type of noise:
    Hissing / blowing from the engine compartment
    Possible causes:
    Cracks in the exhaust manifold (mostly hairline cracks) / loosened flange
    More detailed diagnosis: distribute smoke over the exhaust manifold (if there are leaks, smoke turns over at the point)
    Remedy:
    If the flange is loosened, retighten the screws, if necessary replace the elbow. Replace the manifold if there are cracks (an exchange in the workshop is recommended) - Back to top

Noises in the drivetrain of the car

Chevrolet Corvette C3 Widebody Motorsport Style 2 The fight against annoying noises in the vehicle!

  1. Type of noise:
    metallic clacking shortly after the start
    Possible causes:
    Hydraulic valve lifters with insufficient oil pressure
    Remedy:
    If the click disappears after a few seconds, no action is required. If the clacking remains permanently audible, a tappet may be defective and you should visit the workshop. Too little oil can also be a possibility.
  2. Type of noise:
    Grinding / grinding clutch noise when pedaling
    Possible causes:
    Defective release bearing
    Remedy: Exchange in the workshop.
  3. Type of noise:
    rattling / rattling clutch when idling
    Possible causes:
    The torsion spring of the clutch disc is broken
    Remedy:
    Exchange in the workshop (promptly / immediately).
  4. Type of noise:
    rattling gear in idle
    Possible causes:
    Backlash of the gearwheels / axial play of the shift sleeve
    Remedy:
    Should be examined more closely during the next vehicle maintenance in the workshop. The noise is usually harmless and the volume depends on the tolerance of the components.
  5. Type of noise:
    Striking impulses when the load changes
    Possible causes:
    Motor bearings with play or worn
    Remedy:
    Retighten or replace bearings if necessary.
  6. Type of noise:
    Howling while driving
    Possible causes:
    worn bearings in the gearbox or differential
    Remedy:
    Exchange in the workshop.
  7. Type of noise:
    Tickling with the hood open
    Possible causes:
    Injection nozzles in operation
    Remedy:
    unnecessary.
  8. Type of noise:
    Humming immediately after switching on the ignition
    Possible causes:
    Petrol pump in operation
    Remedy:
    unnecessary. - Back to top

Noises on the chassis of the vehicle

Cadillac Escalade lift kit 750 PS compressor tuning 20 The fight against annoying noises in the vehicle!

  1. Type of noise:
    Humming / roaring in curves
    Possible causes:
    Defective wheel bearing
    More detailed diagnosis: hum in left-hand bends (right wheel bearing defective) / hum in right bends (left wheel bearing defective)
    Final diagnosis: jack up the vehicle and turn the wheel on both sides. Take hold of the wishbone with the other hand. If vibrations can be felt, the assumption is correct.
    Remedy:
    Exchange in the workshop.
  2. Type of noise:
    Clacking / rattling when reversing
    Possible causes:
    The cardan shaft rubber bearing is defective
    Remedy:
    Exchange in the workshop.
  3. Type of noise:
    Chattering in curves (especially at high speed and wet roads)
    Possible causes:
    ESP in control mode / control process
    More detailed diagnosis: simultaneous lighting of the ESP warning light in the cockpit
    Remedy:
    Drive on curves below the limit values. No defect!
  4. Type of noise:
    Cracking / rubbing when cornering
    Possible causes:
    Defective wheel-side joints on the drive shafts
    Remedy:
    Exchange in the workshop.
  5. Type of noise:
    Grinding / grinding when braking
    Possible causes:
    Worn brake pads drag on the brake disc
    Remedy:
    Renewing the brake pads and, if necessary, the brake disc (safety deficiency which must be remedied immediately).
  6. Type of noise:
    Rumbling on bad roads
    Possible causes:
    Defective shock absorber / defective rubber bearings on stabilizers, struts or axle suspensions
    Remedy:
    Exchange in the workshop.
    Side note: If unusual noises occur on the chassis or on the braking system, it is recommended to visit a workshop immediately to ensure driving safety. - Back to top

Noise from the body of the vehicle

Porsche Macan Techart Lowering Tuning 27 The fight against annoying noises in the vehicle!

  1. Type of noise:
    loud cracking when driving (especially when driving over potholes)
    Possible causes:
    dry door latches
    Remedy:
    Apply adhesive lubricant to the door latch and locking mechanism.
  2. Type of noise:
    Thump at higher speeds
    Possible causes:
    The plastic cladding on the bumper / underbody cladding is loose and swaying in the airstream
    Remedy:
    Check components and fix them again if necessary.
  3. Type of noise:
    Whistling / hissing in the area of ​​the A and B pillars
    Possible causes:
    Wind noise from airflow due to doors hanging at an angle / defective door seals
    Remedy:
    Realign the hinge pillars of the doors on the A pillar (if this is unsuccessful, visit the workshop)
  4. Type of noise:
    Creaking / squeaking / whistling from the door or sunroof area
    Possible causes:
    Dry / brittle seals on the doors / on the sunroof
    Remedy:
    Lubricate all seals regularly with care products, replace old or broken seals if necessary.
  5. Type of noise:
    rattling windshield wipers in light rain
    Possible causes:
    Old, hardened wiper blades
    Remedy:
    Replace the wiper blades. - Back to top

Noises in the vehicle interior

VW Lamando with Alcantara interior and BBS rims 7 The fight against annoying noises in the vehicle!

  1. Type of noise:
    Rattling of the rear area with potholes
    Possible causes:
    Loose objects (tools, screws, etc.) in the trunk area
    Remedy:
    Remove loose objects in the trunk (especially in the spare wheel well), fix them or wrap them in a rag.
  2. Type of noise:
    Creaking during coupling
    Possible causes:
    Pedal joints run dry
    Remedy:
    Lubricate the joints with silicone spray (never use oil or grease on plastic pedals).
  3. Type of noise:
    Rattling in the dashboard while driving (especially on uneven roads)
    Possible causes:
    Cable strands swing behind the fitting and hit ventilation ducts and / or other components
    Remedy:
    If possible, fix the cables with cable ties or adhesive tape specially designed for cables. Otherwise go to the workshop.
  4. Type of noise: Cracking near plastic cladding (doors, A, B, C-pillars)
    Possible causes:
    Plastic cladding rubs on vehicle paintwork
    Remedy:
    Underlay the contact points with felt or similar material / lubricate the contact point with silicone spray or wax
  5. Type of noise:
    Squeaky seats
    Possible causes:
    Seat adjustment runs dry
    Remedy:
    Lubricate seat adjustment (if unsuccessful, consult a workshop for detailed and extensive lubrication).
  6. Type of noise:
    Roaring noise from the door panel
    Possible causes:
    Loudspeakers in the door make the door panel vibrate
    Remedy:
    Remove the door panel and, if necessary, touch up the speaker fastening. Decouple the door card with the outer sheet metal using foam pads.
  7. Type of noise:
    Creaking / crackling in the dashboard and in the center console
    Possible causes:
    Plastic panels rub against each other
    Remedy:
    Underlay the contact points with felt strips or similar material.
  8. Type of noise:
    Rattling / ringing from the area of ​​the dashboard / center console
    Possible causes:
    Coin, screw or other small parts fell into the ventilation slots
    Remedy:
    Find and remove small parts - Back to top

So far so good! But what if the steering wheel vibrates suddenly when accelerating or braking? What if the whole vehicle shakes and you have no idea where the imbalance is coming from? Then maybe our contribution on the topic "Car vibrates or wobbles while driving - why?"!

Of course that had not happened yet!

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