Motor Vehicle Maintenance & Repair Stack Exchange
Motor Vehicle Maintenance & Repair Stack Exchange

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1500 questions
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4 answers

Tire sidewall damage, replace immediately?

Somehow I was lucky enough to hit something when going downhill. And now my tire looks like in the picture. So should I still drive with this tire or get it replace immediately? And to replace it, is it safe to drive to the tire shop, which is a few…
Lisa Finks
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Why do I see reverse lights blink on and off on vehicles waiting for a traffic light?

Sometimes when waiting for a traffic light, I see the reversing lights on the vehicle in front of me briefly flicker on and then off again. Most often, this is on Mercedes people vans (short buses). This startles me, since if the vehicle were to be…
SQB
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Initial miles on car

I recently purchased a car from a Honda Dealer. I see that the odometer reading is already 230 miles. When I asked them about this, they replied saying that it was because the vehicle is transferred from another lot. Should I be worried about the…
user33636
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How to diagnose high speed vibration?

I get a vibration at high speeds (50+), can feel it particularly in the steering wheel, front seats, dashboard. I have been trying to figure out what's going on, keeping in mind that: All 4 shocks replaced in April Had a side swipe accident, they…
Anton Pugachevsky
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4 answers

What is this yellow powder on my exhaust manifold?

I took off the heat shield from the exhaust manifold on my 2003 Nissan Primera while looking for an exhaust leak, and I noticed this yellowish poweder / dust on it: Any ideas what it is? EDIT Sept. 19th 2017 So I wiped a section of the yellow…
Robert S. Barnes
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5 answers

How to properly change out spark plugs?

I am looking into how to change out my spark plugs on my 4 cylinder 2005 Mazda 3. All I know to do is: 1: Open each cylinder. 2: Use a spark plug socket (with the rubber insert) to remove the old spark plug in each cylinder. 3: Insert new spark…
tarheel
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I forgot to release the hand brake while I'm driving at around 4 to 5 km. what will happen to my rear brakes?

I forgot to release the hand brake while I'm driving at around 4 to 5km. What will happen to my rear brakes?
Arnel Balingit
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2 answers

How do you remove or even get to the car battery on a 2012 Honda Odyssey?

Summary How do you get to the battery on a 2012 Honda Odyssey, given that it is blocked by some type of intake tube**? **Edit: this used to say exhaust but I changed it to intake tube, given the answers, below. Details We have a new 2012 Honda…
gMale
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5 answers

How to carry a full-sized spare?

I have a 2004 Subaru Impreza WRX, but I suspect my question can be generalized to apply to many smaller cars. Not being a fan of donut spare tires, when I replaced my tires about a year ago I kept the one that was in the best shape, mounted on a…
kojiro
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Gasoline is dripping out of a rubber tube outputting on the bottom of my motorcycle - is this normal, or is it a problem?

What bike? A BMW 650, 1996 model. What's the problem? I noticed a slow, but steady, drip of gasoline from one of two rubber tubes that output to the bottom of the bike. I think the other rubber tube is there to take water away from the carburetor,…
administrator_dude
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3 answers

Is 15V too high for a standard car battery?

Today I let my car battery charger charge a car battery over about 8 hours and probed the voltage to be about 15V with still 2 amps being pumped through by the charger (though the current was slowly falling over time) Is the battery damaged? The…
Warrior
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How does condensed water get sent out of an exhaust system?

We've all seen water dribbling out a car exhaust when we're following someone accelerating out of a stoplight. I know that the water is an inevitable product of combustion, but I find myself wondering how the liquid gets out of the exhaust…
Daniel Griscom
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4 answers

What are the risks of jump-starting a modern car?

I'm aware of the general risks, i.e. igniting hydrogen gas with a spark, and accidentally hooking up the leads backwards. But I have been reading conflicting information about whether one should even try to jump-start a modern vehicle. One…
Michael
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Best way to remove rusted steel bolts from aluminum parts

I need to remove a lot of steel bolts from an aluminum engine block, they feel like "welded" in there because the level of rust. Just turning them would crack the part, or break the bolts. I wonder what's the best/fast way to remove them, with…
Aram Alvarez
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What differences are there between straight cut and helical cut gears?

in formula one, and most other motorsports they use straight cut gears as shown below. in most normal cars you will see helical cut gears as shown below. if both teeth are the same thickness the straight cut gear will break first under enough…
Cc Dd
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