What r/AskMechanics keeps coming back to
Complaints raised here by more than one person. One-off posts are not included.
225 recurring problems · 1599 threads read · read since September 2026 · Reddit
Raised more than once here
Most people first.
- 63Is it worth fixing an old car when repairs cost more than it's worth?“I’m wondering if replacing both axles is actually necessary. I don’t hear any clicking when turning, have no vibrations, and haven’t noticed any issues at high speeds.”
- 61How to explain an intermittent car noise to a mechanic“I’m trying to figure out a strange squeaking/squealing noise coming from the front left side of my car.”
- 60Vehicle cranks after fuel pump replacement but won't start“pulled over, and the bike just died completely on its own. Not even sure when the tape ripped off during the ride. Now it won't start at all.”
- 51Landlord built a fence around the AC and it broke“the A/C blows cold, then blows kinda warm, then kinda just alternates between ice cold and warm.”
- 43Is this mechanic repair quote too high?“So my car’s AC recently broke and only warm wind blowing. I have a 2020 CLA45 and the dealership gave me this quote. Is this price normal? Really need advice.”
- 33Should I pay for appliance repair or fix it myself?“Hey everyone, looking for some mechanical and financial advice on whether I should cut my losses or keep driving my car.”
- 33Why does my car make a loud rattle when starting the engine?“So, I have a 2009 manual base and as title says, its got a rough idle.”
- 33How to figure out what an unfamiliar car engine noise is“A couple days ago I noticed my car making a chattering sound with some squeaking and lots of stuff”
- 29How to remove a stripped recessed retaining screw“Looking for some insight on how to remove what is left of these bolts.”
- 27How do I know if I can DIY a repair or need a pro?“Is there any risk on doing a DIY spark plug replacement or should I bring it to a shop?”
- 25Why do I feel so overwhelmed after starting a new job?“it is barely my third day and I am feeling a lot of stress from the service advisors as well as the customers.”
- 24How to identify a random car part that fell off“Can someone help me identify this part that just fell off of a friend’s car?”
- 20Electrician installed an outlet instead of a generator inlet box“everything works except the window regulator and I’m not sure why.”
- 20Why are my brakes squeaking and shaking the floorboard?“When it squeaks it also pulls back and releases for a half a second. It only does this when I push on the brakes and the squeak and vibration through the floorboard is intermittent kind of like something is catching and stuck somewhere.”
- 19Is it a smart idea to buy a new car right now?“Do I take the risk?”
- 18How to get a contractor to fix damage they caused“brought my wife’s Honda CRV 2014 with 114k miles to a mechanic. they were supposed to change the starter out and they encountered a seized bolt and declined to work on it further.”
- 18Why does my car run terribly and stutter after a long drive?“Went for a long drive recently and after about 40 minutes the car started running horribly and the engine noise had gotten considerably worse. It was super sluggish.”
- 16How to handle a mechanic who messed up brake repairs“She is now experiencing issues with her 2016 Honda Civic car an it makes a lot of banging and scratching sounds.”
- 16How to know which replacement part code to buy“I need the Control Arm for the driver side only. The other side is fine. If you can help me, find that part either on Amazon, ebay, or RockAuto (dot) com, it would help me out a lot.”
- 15How to handle random car error codes and weird driving feelings“Started the car, and they all came on. None were on earlier in the day when I used the car to go to work. Car starts runs and drives as usual with them on.”
What this forum worries about more than the rest
How much more often a topic shows up here than across every forum we read.
mechanical troubleshooting12.9×used cars12.9×car parts12.9×engine failure12.9×