Car making weird noises after getting serviced
New rattles, clatters, or pops appearing immediately after a mechanic visit usually stem from loose components or unfinished reassembly during the repair. This unexpected transition leaves drivers questioning if their vehicle is actually safe to drive and worried that the shop made a mistake.
What the numbers show
Counted from the threads quoted below. How we count
- The most recent one is from October 2026.
- This comes up 9.7× more often in r/AskMechanics than across the site as a whole.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
Found another way around this?
Share your steps and trade-offs so fellow engineers don't have to reinvent the wheel. No account required.
- 1checking for loose components like heat shieldsDid this help you?
- 2monitoring how the car drivesDid this help you?
- 3Taking apart the pads and rotors to re-lubricate themDid this help you?
- 4Guessing the source of the sound based on dashboard lights and component locationsDid this help you?
- 5Checking fluid levels such as power steering fluidDid this help you?
- 6Inspecting the brake pads or having a shop perform a free brake inspectionDid this help you?
- 7Ignoring the sound if the brakes stop fine and feeling normalDid this help you?
- 8asking for opinions on online forums like RedditDid this help you?
- 9posting video clips of the engine bay for community diagnosisDid this help you?
In their words
Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.
“After replacing the clutch, flywheel and tob the startup is different i’m not sure why maybe i’m paranoid but it feels different.”source ↗
“This morning, after picking up the car and driving it, I noticed an intermittent rattling noise that seems to come from the front right part of the car.”source ↗
“Am I being paranoid about the noise? I mainly just care if the car is safe to drive.”source ↗
“Now, when the car is running and in park. When I press on the brakes it makes this clicking/thumping noise.”source ↗
“Everytime I release my foot off the brakes I hear this moaning sound.”source ↗
“When I come to a complete stop while going very slow I hear it.”source ↗
“When I lift up my foot from the brake pedal fast I hear like a bounce sort of hum as well.”source ↗
“I took the pads and rotors off from the front again and put them back lubricated what needed to be lubricated and what not and I'm still hearing it.”source ↗
“I noticed when turning the car off that it makes this ker krnk sound. Just started today. What could this be?”source ↗
“I open my car door and heard the same noise.”source ↗
“The noise does not appear to be coming from the door. It's closer to the dash/steering.”source ↗
“I feel like it's coming from my alternator because I also just got a new light on my dash which is a red battery icon.”source ↗
“It started not too long ago and I'm very worried.”source ↗
“There's no codes about it so I'm very confused.”source ↗
“Hi everyone I'm desperate for an answer I have an 2015 Nissan rouge SL. so I just got my rear differential replaced and rear my axle shaft replaced as well.”source ↗
“Now it's making noise after three days of driving it, it came out no where.”source ↗
“It's like a popping noise with a clanking noise to it. Sometimes it also makes a whirling noise but not loud. But the popping sound is loud.”source ↗
“Idk what to do, maybe it's something loose or not tighten all the way. I don't want nothing to fail everything, is new. And it's expensive could someone help me figure out the noise could be ???”source ↗
“I put the new joint on and it felt like it clicked into place ok - it wouldn't come off with a firm tug so I'm sure the circlip has locked.”source ↗
“But since putting it back in I've got this loud clunk noise. It happens every full rotation of the wheel.”source ↗
“I'm a bit of a newb so I might have got something wrong”source ↗
“Replaced my pads and rotors today and noticed a whooshing sound when I depress the brake pedal.”source ↗
“I had my front brakes calipers and rotors replaced about a month ago and now whenever I hit a bump I hear almost like a clatter sound from under my front driver side tire.”source ↗
“I can slightly shake my brake back and forth on the rotor on both front tires (back ones are both stiff and don’t move) no noise comes from the passenger side.”source ↗
“whenever the car sits for a bit (usually a few hours) when I go in reverse and hit my brakes they will make like a pop sound when I initially touch the brake and once I get to a complete stop.”source ↗
“On the weekend, my back passenger tire started leaking, so on Monday I got my tire replaced. On Tuesday, my driver side back tire went leaky and so I got it replaced on Tuesday. The same day, after some driving I noticed this terrible sound.”source ↗
“The sound is coming from my passenger tire that I got replaced on Monday, though.”source ↗
“I need to know how I can fix this so I can move on with my life without destroying my car.”source ↗
“I’m starting to hear some odd noises coming from my engine bay and I’m not sure what it is and how worried I need to be”source ↗
Where this came up
People with this problem also raised
- 8Why do my brakes squeal only when reversing?
- 3Grinding sound when turning off a new HVAC unit
- 3Weird buzzing noise after jump starting a car
- 147How to explain an intermittent car noise to a mechanic
- 3Grinding noise and burning smell after starter replacement
- 3AC compressor making weird sounds after servicing