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1500 questions
9
votes
2 answers
What's the best place to safely store a life hammer?
This is not really a maintenance question, but I figured this would be a good place to ask. I have a life hammer in the glove compartment, but I'm having doubts about where to store it. I figure that if I'm ever in a situation where I need the…
Bas
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9
votes
1 answer
Tire Replacement - 30k mile, mechanic says its okay to only replace one?
We have a 2014 Toyota Corolla with a little under 30,000 miles. A few months ago some road debris resulted in a punctured tire (rear passenger side). We had the tire fixed, but found out that they plugged it and didn't actually patch it like we…
HelpEric
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9
votes
4 answers
Does turning fan speed down affect AC compressor load
When I have my AC running, and I turn down the fan speed, does this also change the load the AC puts on the engine?
Since the compressor puts load on the engine, and reduces fuel economy, I am wondering if this varies with fan speed.
If it does not,…
Scorb
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9
votes
2 answers
Unsticking a stuck rear electric window
I have a 2007 Mazda 3 sedan which I bought about a year ago. Everything on the car was great, until the weather started to get hotter when the windows would sometimes take a moment to "unstick" if you tried to lower them.
Now, the car has…
Jane S
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9
votes
2 answers
How to test if oil is leaking into combustion chambers?
How can I test whether oil is leaking into cylinder combustion chambers and getting burnt in case of oil level loss? As opposed to, for example, leaking through the oil pan or the timing chain cover.
amphibient
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9
votes
1 answer
Where can I find a power adapter to run a car stereo from a wall outlet?
I have a car stereo head unit that I'd like to repurpose as a radio for my garage. Given that, I'm looking for some kind of power adapter / transformer that I can plug into a wall outlet and splice into the stereo harness. Presumably this would need…
Joseph
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9
votes
4 answers
Dent removal from passenger door
I have a huge dent in my front passenger door from where I was attacked by an elk. This dent has been in the door for probably 12 months as I previously did not care that it was there.
Now I would like the dent removed, what is the most effective…
J-Nasty
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9
votes
2 answers
what sensors and formula are used to control VGT/VNT turbos?
I want to fit a variable geometry turbo to my car. Its vanes are usually controlled an electrical actuator (otherwise sometimes it's on vacuum). What information is used to to inform the state of the turbo vanes, though - throttle position, intake…
Aaron Brick
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9
votes
1 answer
What is the yellow precipitate in my outboard's carburetor?
I've got a 2008 Tohatsu 9.8 HP four stroke outboard. My low speed jet keeps getting fouled and on several occasions, I've found yellow almost crystalline "growths" for lack of a better word inside the carburetor. They look like tiny sulfur…
delliottg
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9
votes
3 answers
Why Does Coolant Flow Through the IAC and Throttle Body
On many engines I've seen coolant is circulated through the Idle Air Control valve and the throttle body. One such example is the Mazda 2L 4 cylinder FS used in the 626. The IAC is ECU controlled, and there is a coolant temperature sensor, so what…
Robert S. Barnes
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9
votes
1 answer
Hand turned the crankshaft while in gear. Clutch damage?
My timing belt broke on a 2008 Hyundai Accent and due to being broke I decided to try and fix it myself. I managed to get everything off, two slightly bent valves on the head which I took to a shop etc. While trying to prep the engine block for a…
Dave
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9
votes
1 answer
My feet turn black
I left the pedicure salon, started my car and drove less than 3 miles to pick up something from the store, when I stepped out of my car my feet were black... and I don't meant just from dirt, It looked like someone dumped a bucket of black paint on…
Morgan
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9
votes
3 answers
What are the pros and cons of installing a high-performance air filter on a bike?
What are the advantages and disadvantages of installing high performance air filters (K&N,Green cotton,etc.) over original filter?
What are the changes/working occur internally?
KIRAN K J
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9
votes
2 answers
Why are H4 LED headlights not designed correctly?
In traditional halogen H4 bulbs the low beam filament (the one with the reflector/shield) point in a 180 degree field and the high beam has no shield and has a full 360 degree coverage. This is how all H4 light assemblies are designed to use.
Why…
Tanenthor
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9
votes
1 answer
Does free revving a diesel engine to 4000 rpm (1.6 crdi- hyundai) cause any damage?
It's a Hyundai CRETA/ ix25 model... clocked 1800kms on the odometer, diesel spec engine 1.6 crdi unit, manual transmission! It has redline at about 4800rpm in the tachometer. When i took it for service! the idiotic mechanic FREE REVVED the engine…
Vivek S
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