User Pᴀᴜʟsᴛᴇʀ2 - Motor Vehicle Maintenance & Repair Stack Exchange

105 votes

Does kicking a tire off your car from underneath it while it's held up by a stable jack pose safety threats?

answered May 10, 2018 at 23:28

89 votes

Accepted

Can salt water be used in place of antifreeze?

answered Feb 21, 2021 at 3:08

77 votes

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Why don't we rotate tyres but you rotate tires?

answered Nov 7, 2017 at 14:24

72 votes

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What actually happens when there is not enough oil in a car engine?

answered Jan 11, 2016 at 23:15

69 votes

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Why don't rally cars have airbags?

answered Jul 18, 2016 at 21:32

58 votes

How do cars drive through deep water as shown on many videos online?

answered Feb 14, 2020 at 13:48

56 votes

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Why use snow tires on all 4 wheels on 2-wheel-drive cars?

answered Feb 14, 2019 at 14:01

51 votes

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What does a water-like drip coming out of the exhaust of the car signify?

answered Jul 13, 2014 at 9:52

49 votes

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Car battery at 10v, then shows 14,5v while car running after boost, then when car turns off, drops to 10v again within a minute

answered Feb 13, 2022 at 13:37

48 votes

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Why doesn't anyone ever repair an automatic transmission?

answered Mar 13, 2014 at 22:19

45 votes

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Do cars consume less gasoline when the tank is full?

answered Jul 9, 2021 at 19:13

43 votes

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what is difference between DOHC and SOHC?

answered Dec 21, 2013 at 13:43

40 votes

Why are engines labeled as 2L or 3L?

answered May 30, 2018 at 17:57

40 votes

What can I do to keep a threaded bolt from falling out of its slot?

answered Aug 18, 2019 at 17:12

38 votes

Accepted

What are these metal clips where my wheel rims meet the tires and what are they for?

answered Dec 8, 2016 at 13:44

38 votes

Why could my vehicle be shaking around 60mph after hydroplaning?

answered Mar 28, 2016 at 14:48

37 votes

How can I keep stray cats off my car?

answered Apr 19, 2016 at 1:56

35 votes

Accepted

Brakes make a "POP" sound and then I can't brake

answered Feb 25, 2016 at 22:24

34 votes

Accepted

We have fuel injection, why not air injection?

answered Aug 26, 2016 at 12:34

34 votes

Accepted

Do matching (left/right) lights often burn out within a short time period of each other? If so, why?

answered Oct 15, 2018 at 11:01

30 votes

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Battery drops to 10.5 volts after charging

answered Jul 16, 2020 at 12:15

30 votes

Do I need to replace my rotors?

answered Jun 22, 2018 at 11:03

28 votes

Why are these wires sticking out of battery terminal?

answered Dec 3, 2019 at 11:04

27 votes

Accepted

Car won't start after sitting for 2 years even with a jump. Is it a starter or alternator issue?

answered Dec 31, 2019 at 5:35

27 votes

Accepted

What should always be replaced when rebuilding an engine?

answered Nov 22, 2016 at 12:35

27 votes

Should I really keep my gas tank at least half full?

answered Dec 17, 2018 at 14:55

27 votes

Seized engine due to being run without oil

answered Sep 9, 2019 at 16:37

26 votes

Wrong octane fuel

answered Jan 19, 2020 at 19:10

26 votes

Accepted

Why do I need to turn my crankshaft after installing a timing belt?

answered Nov 26, 2020 at 3:49

25 votes

What are the pros and cons for the two possible "gear directions" when parking the car on a hill?

answered Jun 16, 2019 at 19:44

Stack Exchange Network

3,915 Answers

Does kicking a tire off your car from underneath it while it's held up by a stable jack pose safety threats?

Can salt water be used in place of antifreeze?

Why don't we rotate tyres but you rotate tires?

What actually happens when there is not enough oil in a car engine?

Why don't rally cars have airbags?

How do cars drive through deep water as shown on many videos online?

Why use snow tires on all 4 wheels on 2-wheel-drive cars?

What does a water-like drip coming out of the exhaust of the car signify?

Car battery at 10v, then shows 14,5v while car running after boost, then when car turns off, drops to 10v again within a minute

Why doesn't anyone ever repair an automatic transmission?

Do cars consume less gasoline when the tank is full?

what is difference between DOHC and SOHC?

Why are engines labeled as 2L or 3L?

What can I do to keep a threaded bolt from falling out of its slot?

What are these metal clips where my wheel rims meet the tires and what are they for?

Why could my vehicle be shaking around 60mph after hydroplaning?

How can I keep stray cats off my car?

Brakes make a "POP" sound and then I can't brake

We have fuel injection, why not air injection?

Do matching (left/right) lights often burn out within a short time period of each other? If so, why?

Battery drops to 10.5 volts after charging

Do I need to replace my rotors?

Why are these wires sticking out of battery terminal?

Car won't start after sitting for 2 years even with a jump. Is it a starter or alternator issue?

What should always be replaced when rebuilding an engine?

Should I really keep my gas tank at least half full?

Seized engine due to being run without oil

Wrong octane fuel

Why do I need to turn my crankshaft after installing a timing belt?

What are the pros and cons for the two possible "gear directions" when parking the car on a hill?