Motor Vehicle Maintenance and Repair Stack Exchange
Motor Vehicle Maintenance and Repair Stack Exchange

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1500 questions
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1 answer

So I goofed.... added fuel cleaner to transmission.

So... as the title says. I accidentally added fuel cleaner to my transmission, which is currently leaking (meant to add stop leak as a temp fix if it worked). I grabbed the wrong bottle and didn’t catch myself and now I poured cleaner into my…
Matthew
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Exactly how much refrigerant is in there?

A concern that comes up regularly when troubleshooting A/C problems is whether an A/C system has too little refrigerant (hello leaks) or too much of it (hello overcharging). The traditional way to do this involves drawing out all the refrigerant…
Zaid
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Clutch pedal no longer provides resistance, clutch won't disengage, what likely failed?

A little background information: Car: 1993 Ford Mustang LX [2.3L I4], 5-speed T5 transmission. I bought the car a few months ago, according to the previous owner the clutch was replaced fairly recently. I have no paperwork on this, and I can't speak…
Robbie
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What is the likelihood that my crankshaft is warped?

This may be an involved question so bear with me. :) I have a 1998 Honda Accord EX (4cyl) with 281xxx KM, and last week I was told by my mechanic that the harmonic balancer is warped. And in fact, when the engine is running you can see the…
i-vtec...do you
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What is the name of the following electrical symbol?

What is the name of the following symbol (in red) : This is from the front wiper motor schematic of a Toyota Corolla car. First time I have seen this. I searched a little bit on various websites but couldn't find the meaning.
tigrou
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8 answers

Is it alright to top off with oil instead of changing after 3000 miles?

is it ok to top off or change the oil after 3000 miles? My husband said that I was 2 quarts. low so he added two quarts. My question is should we have just changed the oil completely or just added the 2 quarts?
Bernetta Brown
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Clutch dragging and making squeaking/grinding noise

My motorcycle clutch (Yamaha Diversion) has recently started dragging extremely badly; I need to rev-match up and down gears and shifting from neutral into first requires me to rev the engine, pull the clutch, then shift in. It's also making a…
slugonamission
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Fixing wheel runout after "detour" through ditch

I recently took a detour through a ditch on the way to work. There was a lot of snow there which made itself known - my car and it got along pretty well but as far as I'm concerned, they need to permanently break-up and not get so close…
enderland
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why do engines have so much unused horsepower?

I've looked at the power rating of an engine used in a Humvee (5500 lbs) and was surprised it's only ~190 horsepower, which is exceeded by many 4 door sedans. So an obvious question is why doesn't my Camry SE (3300 lbs) burn more gas than a Humvee…
Yale Zhang
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Carburetted motorcycle stalls when accelerator is applied

My father has 1995 Kawasaki VN 800 Vulcan with low kilometrage (18 000, 11 000 miles). We had installed new Vance & Hines pipes on it (in hindsight, way, way too loud, but that’s beside the point, and we’ll have to live with it). When I put it…
theUg
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Car randomly stalls (driving or stationary), then generally kicks back in or starts back up straight away

I have an Australia-built Ford Falcon which has a 4.0L multi-point fuel injected straight 6 and is manual. I rebuilt the head in the car myself last year (blown head gasket) and it has been running fine since. It’s always had a funny slight flat…
James
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6 answers

Does switching to neutral on an automatic transmission improve braking for immediate stopping?

I've been told that when needing to brake quickly, throwing the gear into neutral on an automatic transmission actually allows for better/quicker braking. I understand how things work pretty well but lack automotive knowledge -- so I cannot really…
shaselton
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5 answers

Running Harley for 100 miles with no oil

The bike just had the oil change, however they forgot to put the oil back into motor. I left on a trip and rode 124 miles before any issues. I starting hearing this loud, loud noise from motor and I pulled off. I found out there was no oil and the…
MD Frazier
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What fasteners should not be loosened using an impact wrench, and why?

Which bolts and other fasteners should not be loosened using an impact wrench? For example, I've heard that it's not generally recommended to loosen spark plugs with an impact. Nor is it recommended to loosen head bolts using an impact. What's the…
Ives
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OBD-II difference between signal ground and chassis ground

Am planning to install a carputer (Raspberry Pi) in a 2005 Ford Mondeo, replacing the car stereo. The Quadlock connector to the stereo apparently includes CAN bus, so I am thinking I will get a USB OBD-II adapter and just solder the relevant…
Tomas By
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