r/MechanicAdvice

2.1M members
r/MechanicAdvice is a subreddit with 2.1M members. The most common kinds of discussions are advice requests and solution requests, and the community frequently discusses car, noise, struggle, worst, and mechanic, 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
Advice Requests
: "Any idea what this clunk is"
60 posts
#2
Solution Requests
: "Camry oil filter damaged"
6 posts
#3
Pain & Anger
: "Groaning/creaking sound when braking"
1 post
#4
Money Talk
: "Overpriced?"
1 post

Popular Topics in r/MechanicAdvice

#1

Car

28 posts
#2

Noise

: "Bmw 428i F33 makes clicking Noise when trying to start"
23 posts
#3

Struggle

20 posts
#4

Worst

14 posts
#5

Mechanic

10 posts
#6

Ac

: "Ac Trouble"
9 posts
#7

Looking

8 posts
#8

Brake

: "2014 Honda CRV Brake Drag"
7 posts
#9

Transmission

: "Toyota 4runner Transmission makes squeaking noise when rolling slowly, or in neutral, or when I let the clutch out. Squeak goes away when I rev the engine."
7 posts
#10

Starting

6 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
Meta
: "Oil In Coolant Tank VW Golf 6"
4 posts
#2
part sourcing?
: "i need help finding a rear axle seal that is apparently rare, or instead there's something i do not know."
1 post

Member Growth in r/MechanicAdvice

Yearly
+305k members(17.4%)

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About

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This page gives a focused view of r/MechanicAdvice, including current member size, discussion patterns, product reviews, and related communities to explore.

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Last updated: June 30, 2026