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12 votes
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Scraping sound in new small engine

I actually decided to go ahead and just tear into it no matter the answer and can make the following statements: Bore and piston rings were absolutely immaculate and there was no scraping whatsoever ...
Yanick Salzmann's user avatar
5 votes
Accepted

Continual knocking sound coming from a front wheel when turning

A worn CV joint is the most likely issue that would cause knocking at full steering lock. What usually happens is a split forms in the CV joint rubber boot which allows the grease to escape and dirt ...
HandyHowie's user avatar
  • 25.1k
5 votes
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Loud Knocking/Clicking While Turning Left

Two things come to mind: Before you drive it any further, check the lug nuts all the way around to ensure they are tight. I've seen a lot of vehicles exhibiting what you are talking about have loose ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
4 votes

Finding banging/clanking noises when driving over rough surfaces or potholes

You didn't mention checking the exhaust system. If an exhaust hangar has rusted away or broken, some part of the exhaust system could be swinging and clanking against the underbody. If you can put the ...
MTA's user avatar
  • 5,980
3 votes

Thump in transmission when braking

This could be a mechanical issue, but it could also be the adaptations need to be reset. Many modern cars' computers are designed to learn your driving style and adapt throttle response and gear ...
GdD's user avatar
  • 16.7k
2 votes
Accepted

Beetle makes creaking noises

I have a Jetta of the same generation that shares almost all parts with the NB except the sheet metal, and I've had to replace numerous rubber parts over the years. No way to tell what it is from the ...
MTA's user avatar
  • 5,980
2 votes
Accepted

Brake noise only when releasing brakes

It could be your brake booster. The brake booster is the device that puts the "power" in power brakes. It operates from engine vacuum. A momentary sigh from the brake booster is harmless. To ...
MTA's user avatar
  • 5,980
2 votes

Loud whirring from AC compressor fans

Arctiic, with your permission I’d like to give you a dose of tough love to try and get this repair moving forward. I want to help you, I really do, so please bear with me and keep an open mind as I ...
MTA's user avatar
  • 5,980
2 votes
Accepted

2021 X3 rattle/buzz near the foam headliner of the ceiling

It's probably loose screws that are supposed to hold the metal frame of the sunroof. See this link for more information.
Carguy's user avatar
  • 1,967
2 votes

Winch mounted to truck rack — Reduce noise

I think your best bet would be to trim the metal back on that side so it no longer makes contact. It probably wouldn't take much trimming to get it off the roller. You would want to make sure the ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
2 votes

Squealing noise from front of car while driving

Yes, it sounds like a brake wear indicator and it does not sound like a wheel bearing. It's easy enough to check by taking a peek at the brake pads to see if they are nearly worn down. You didn't say ...
MTA's user avatar
  • 5,980
2 votes

Infiniti G37 makes sizzling noise after driving in rain

Just a shot in the dark, but if you have a sunroof, you have a sunroof drain that includes tubing that runs down one of your door pillars and empties under the car. That drain could be dripping on a ...
MTA's user avatar
  • 5,980
2 votes

Noise from Hood (front grill) Engine Off

It is not uncommon for the fans to stay on after the vehicle is shut off. This is how it is designed to work if the engine coolant is too hot. If it is new behavior that the fans are staying on yet ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
2 votes

Loud ticking engine noise

Before you replace any more parts, buy an inexpensive oil pressure test kit. It's a hand-held pressure gauge with an assortment of fittings, one of which should fit the port for the oil pressure ...
MTA's user avatar
  • 5,980
1 vote

Loud ticking engine noise

Thank you for trusting us with your issue! What I do when I'm tracking an odd sound is use a stethoscope. Automotive stethoscopes are super cheap(I paid $3 for mine) and come with a handy solid metal ...
Geary's user avatar
  • 49
1 vote

Does my car have rodknock

It is hard to say from your description, but my initial hunch is No this is not rod knock. Your description kind of reminds me of lugging an engine. Several factors lead me to this conclusion. First, ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
1 vote

Car jerks when I accelerate hard

Thanks for your responses. We checked the motor mount and they were in mint condition. I finally decided to bite the bullet and service the gearbox. Happy to say this went extremely well. No more ...
Philip Kalela's user avatar
1 vote

Vibration When Accelerating Only When Car Is Full

This sounds like a motor or transmission mount. They use rubber bushings. When the engine is being torqued under a load, the engine will twist and if the rubber bushing is worn the engine vibrations ...
Jupiter's user avatar
  • 3,187
1 vote

Renault Master 3 Whining/Bearing Noise

The reduction of whining noise at higher speeds may be due to the noise being masked by wind noise, engine noise and tire noise. If it sounds and behaves the same as the gearbox bearing noise, then it'...
MTA's user avatar
  • 5,980
1 vote

Loud whirring from AC compressor fans

Late to this table but fans don't scream "I'm ON!". From the video, the fan(s) seems to ramp up, suggesting your cooling and ac system may use electronically controlled variable speed fan(s)....
F Dryer's user avatar
  • 976
1 vote

Mystery car noise when driving

It sounds like something loose, somewhere on the car, is flapping in the wind as you drive. The vibration sounds much too fast to be suspension-related as you drove on a smooth road in the video. The ...
MTA's user avatar
  • 5,980
1 vote

Loud whirring from AC compressor fans

It sounds like normal operation to me. For example when the A/C kicks in the fans activate. In any A/C system the compression of refrigerant generates heat and the condenser core (the aluminum ...
Old_Fossil's user avatar
  • 3,962
1 vote

Front brake caliper rattle problem

The mechanic who installed the brake pads may have had trouble mating the pads to the caliper, and bent one or more of the three spring clips on the back of the brake pads to make assembly easier. ...
MTA's user avatar
  • 5,980
1 vote

What's this bubbling sound I hear while engine is on?

Agree with john. likely air in coolant system. Do a coolant burp first. One more possibility is combustion gasses getting into coolant. Use a block tester to find out. (Hopefully its not that!) P0456 ...
Dont Know's user avatar
1 vote

Rhythmic squeaking sound from front wheels

Glazed brake pads are a possibility. A bent anti-rattle clip could be touching the rotor. (This can be hard to see without disassembling the brakes) Or a front hub bearing as already mentioned.
Bob Duncanson's user avatar
1 vote

Random intermittent loss of power and pinging noise

Your turbo includes a wastegate and a wastegate actuator. The wastegate is supposed to open and "waste" some of the air pressure that the turbo produces if the turbo pressure exceeds a ...
MTA's user avatar
  • 5,980
1 vote

Does this alternator sound ok?

There does sound like there is a clicking noise which is not normal. This could be coming from the slip rings at the rear of the alternator. Does it sound louder at the rear? If it is the slip rings,...
HandyHowie's user avatar
  • 25.1k
1 vote

Peugeot 407 2004 with unusual sound when clutching

The most likely thing is that the clutch release bearing is worn. This bearing is a thrust bearing and it is only used while the clutch pedal is pressed. It is a good idea not to leave it making ...
HandyHowie's user avatar
  • 25.1k

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