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Mechanical Systems

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Anonymous

Dec 23, 2024

How much does it cost to fix a misfiring cylinder?

I recently received a notification that my check engine light is on. My friend used a diagnostic tool and discovered that one of my cylinders is misfiring. I drive a 2007 Ford F-150, and he mentioned...
10 answers 31
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Anonymous

Feb 04, 2025

Oil leak bmw?

I have a 2011 BMW 320d. After a long journey today, I noticed smoke coming from the manifold and a smell of oil. I changed the oil two weeks ago and did spill a bit, but I thought it was well cleared...
7 answers 45
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Anonymous

Dec 02, 2024

Rotational Inertia question, keep getting wrong answer?

I have a question regarding rotational inertia. A bowling ball designed for a child has half the radius of an adult bowling ball, and both are made from the same material, meaning they have the same m...
3 answers 15
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Temperature gauge is not moving to middle mark on gauge . ?

I own a 2002 BMW X5, and I've noticed that the temperature gauge only reaches the first line rather than moving to the middle mark. Additionally, the truck takes a long time to heat up. What could be...
6 answers 64
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Anonymous

Jan 05, 2025

The bolts on the cylinder head of an engine require tightening to a torque of 86 m·N. If a wrench is L = 30 cm?

The bolts on the cylinder head of an engine need to be tightened to a torque of 86 N·m. Given that the wrench used is 30 cm long: What force, applied perpendicularly to the wrench at its end, must th...
2 answers 17
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Anonymous

Feb 11, 2025

Is it my battery or alternator or starter?

I encountered a problem with my truck after not driving it for three days. Yesterday morning, when I attempted to start it, I only heard a ‘click’. After trying several times, the truck eventually sta...
10 answers 22
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Ayden Schmeler

Jan 02, 2025

What does it mean when the “Brake lamp” light goes on in your car?

I noticed that the “Brake Lamp” light in my Honda Accord turned on today, but all of my bulbs are functioning properly. What could be causing this issue with my brakes?
9 answers 56
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Anonymous

Feb 01, 2025

Why does my car not start and says check charging system?

I have a 2007 Mercury Montego. In the past month, I have replaced both the starter and the alternator, but today the car wouldn’t start again. I took it in to get the battery charged, and it started a...
5 answers 25
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Anonymous

Jan 22, 2025

Why does my car not start and says check charging system?

I have a 2007 Mercury Montego, and over the past month, I have replaced both the starter and the alternator. However, today the car would not start again. I took the battery in to have it charged, and...
5 answers 12