r/MechanicAdvice
2.1M members
r/MechanicAdvice is a subreddit with 2.1M members. The most common kinds of discussions are solution requests and advice requests, and the community frequently discusses noise, struggle, mechanic, starting, and exhaust, and they frequently recommend/review tool brand, obd2 scanner, and impact wrench.
This is more than a car repair forum! Please read and follow the posting rules listed in the right hand sidebar.
Popular Themes in r/MechanicAdvice
#1
Solution Requests
: "Thick smoke even after car turned off while parked. No moisture visible or underneath car. Removed oil cap smells like gas and dipstick shows no oil in tank. Any ideas? 2007 Chevy cobalt 96k miles"
45 posts
#2
Advice Requests
: "Glowing spark plug wires. HELP"
41 posts
#3
Pain & Anger
: "Black stuff coming from roof swamp cooler"
3 posts
#4
Money Talk
: "2021 BMW X3 — brake pulsation, conflicting diagnoses, ~$1k vs ~$2.6k quotes. What would you do?"
1 post
Popular Topics in r/MechanicAdvice
#1
Noise
21 posts
#2
Struggle
20 posts
#3
Mechanic
9 posts
#4
Starting
6 posts
#5
Exhaust
5 posts
#6
Ac
4 posts
#7
Oil
4 posts
#8
Car
4 posts
#9
Transmission
4 posts
#10
Smoke
3 posts
Products Discussed in r/MechanicAdvice
Tool Brand
117 reviews
#1
Craftsman
4.5★ from 17 reviews
#2
Gearwrench
4.1★ from 14 reviews
#3
Harbor Freight
3.9★ from 13 reviews
Obd2 Scanner
38 reviews
#1
Autel
4.1★ from 7 reviews
#2
BlueDriver
3.7★ from 3 reviews
#3
Xtool
5.0★ from 2 reviews
Impact Wrench
33 reviews
#1
Milwaukee
4.8★ from 19 reviews
#2
Ryobi
4.3★ from 4 reviews
#3
Ridgid
4.0★ from 1 review
Flair Used in r/MechanicAdvice
#1
Solved
: "Dealership stripped my oil pan insert, glued it shut with blue RTV, and now charging me $453 to replace it. What are my options?"
3 posts
#2
Meta
: "Cicada like sound when I step on gas/accelerate or cruising. Pls help"
2 posts
#3
Car advice
: "Should I pull the trigger? Late 90s Camry 4-cyl for under $2k. ~170k miles, 1-family owned. Sounds like a unicorn but I'm nervous."
1 post
#4
unsolved
: "What do I even do this point"
1 post
Member Growth in r/MechanicAdvice
Yearly
+233k members(12.5%)
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About
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Last updated: August 17, 2026