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

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1500 questions
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Will never charging the batteries of a hybrid electric plug-in vehicle damage it?

I am likely to be forced to use a Volvo V60 in its hybrid diesel-electric plug-in version for my daily commutes. This is a hybrid system comprising a 2.4l diesel engine with an added plug-in electric motor (ERAD). The electric motor is powered by a…
JoErNanO
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When painting a bare shell, why mask it up?

I've seen any number of restorations where somebody strips a car to a bare shell, media blasts it, welds it up then paints it. For some reason, when the shell is in it's final stages of paint, you see plenty of pictures where professional body…
Steve Matthews
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What can cause slow oxygen sensor readings?

I have very slow primary (pre-cat) oxygen sensor readings on my 02' Corolla (2ZZ-GE, 141kW N/A). While trying to investigate the issue, I repeated diagnostics frequently. Before every diagnostic attempt, I fully warmed the engine and raced it @ 2500…
Fanaz
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I lost my Mercedes smart key, how do I get a new one?

If I lose a Mercedes smart key fob, how do I get a replacement? Is there anything I should do to prevent the old key from being used if it was stolen?
Zelda
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Is it safe to drive with a crack in the windshield?

I've been told before that if you get a crack in your windshield, you should change it right away: that it is dangerous to drive around with a crack in your windshield. On the other hand, I know several people who have driven around with major…
anonymous2
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Avoiding the grease, dirt and oil from getting onto the skin and under the nails?

I started learning to maintain my motorcycle on my own, and cleaned the chain and lubricated it yesterday. Ended up with grease+oil smeared all over my hands and under the nails which haven't gone off entirely even until now (a bit of a nightmare,…
Nav
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Is engine braking harmful?

Possible Duplicate: Does Downshifting (Engine Braking) Cause Extra Wear and Tear? My wife and I have a disagreement about a practice of mine--engine braking. When I'm driving her manual transmission, I make pretty extensive use of the technique,…
Ray
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Rust on rotors after non-use, mechanic said they need to be replaced

I had my car brakes replaced about 2 years ago, since then I've driven about 4000 miles (I work downtown and tend to use public transit) after which I disconnected the battery and stopped using my car (for almost a year). Yesterday I took my car out…
Alexander Tsepkov
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Why is the ATF Level checked with the engine running?

I didn't realize until recently that the ATF level is supposed to be checked while the engine is running, unlike the engine oil level which you're supposed to check at least five minutes after shutting the engine off. I was wondering what the reason…
Robert S. Barnes
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Low voltage at reversing light socket - is it the switch? What else could it be?

The car has a single reversing light in the bumper. The bulb doesn't light at all (tested, also tried spares). Measuring the voltage at the socket I get around 9V with no bulb in the circuit (with just the ignition on; 10V with the engine…
Chris H
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Noise in stereo that changes pitch with engine RPM

This is a question of curiosity. I have a '98 Acura Integra, a cheap car stereo with a 3.5mm aux in, a cheap inverter and a smart phone. If I have the smart phone audio hooked up to the car stereo and the inverter charging the phone I get a high…
nwellcome
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Can I paint my entire Class C RV using fluorescent green and how long will the paint job last

I cannot afford to paint my 30 year old RV (in which I rebuilt the engine and plan on going on a Road Trip around the world!) professionaly ... Can I paint my entire Class C RV using Rustoleum fluorescent green if no rust, what will be the result…
Richie of Richelieu
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5 answers

How do I tell if I screwed up my oil change?

I just changed my oil in my 2500 HD Silverado for the first time by myself. I've changed my oil in a 2004 Toyota Camry a handful of times, but I always had a friend supervise me. I need to know common signs that I messed up. I took it for a drive…
Jake TheSnake Roberts
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How did luxury cars provide smoother rides without active suspensions?

It seems all luxury cars have active suspensions now, so it's not a fair comparison to "non-active" cars. But I was recently driving a mid-2000 Mercedes E-class over the same roads I normally travel with an Acura TL and Mazda 6 of the same vintage…
feetwet
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Is there any difference between pressing the gas pedal and opening the throttle by hand?

In a typical modern, heavily computer controlled, somewhat complex passenger car, is there any difference between pressing the gas pedal vs. opening the throttle valve under the hood by hand? E.g. important sensors on the pedal or the cable, other…
Jason C
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