13
votes
4answers
1k views

Should I fill my tire?

I measured the PSI on my rear driver tire (using a gauge pin - push it into the needle and a stick pops out with a reading), and I got a reading of 22 PSI. My tires are supposed to be anywhere from ...
13
votes
5answers
3k views

What to look out for when buying a car that hit a deer?

I'm looking at buying a car that is only 2 years old, has good miles, a price about a third lower than I would expect...but it had an accident listed on the CarFax. The previous owner hit a deer and ...
13
votes
4answers
204 views

Can a weak battery destroy an alternator?

I've heard a story that a weak vehicle battery can destroy an alternator or cause an alternator to fail early. Is this true, or is it largely fiction?
13
votes
3answers
329 views

What mechanical action is heel and toe (clutchless) shifting trying to accomplish?

I just ran across the phrase "heel and toe" shifting from this answer I've worn through the floor mat in two places trying to become better at heel and toe-ing, though. and this question: ...
13
votes
3answers
280 views

Why does GM still insist on push rod engines?

GM continues to design and produce push rod (Over Head Valve or OHV) engines while most of their competitors have gone to over head cam (OHC) configurations for their performance engines. Is there a ...
13
votes
2answers
7k views

I accidentally fueled my car with E10 (10% ethanol). What should I do next?

So I have a 2000 Honda Civic LX that is around 130k miles now. In Las Vegas, I put E10 (I hadn't known what it was before this...), and had to get it fixed. The engine light had started blinking and ...
13
votes
4answers
950 views

Is there a benefit to belt driven motorcycles?

What are the pros and cons of belt driven motorcycles compared to chain driven bikes?
13
votes
6answers
13k views

How to improve fuel economy in high-mileage car?

I'm driving an 2003 Acura TL 3.2 with 177K miles on it. I bought the car with 110K miles on it. It seems to me that the car is not getting the same fuel economy that it did when I acquired it. I ...
13
votes
1answer
725 views

What is fish plating a frame?

When building a frame I've heard people refer to adding a fish plate. What does fish plating a frame do and what exactly is it?
13
votes
5answers
28k views

How difficult is it to rebuild a transmission?

I have a 1984 Toyota Supra that is now exclusively a track car. The last round out we let some less experienced drivers take the wheel and they basically destroyed the transmission. Nothing but 4th ...
13
votes
2answers
6k views

What happens to a car when it hasn't been driven for 12 years?

I'm hoping that I'll soon be the owner of 2l turbo charged, 4wd hatchback that's been sat in a garage, undriven for over a decade. Trouble is that I won't be able to give it a full inspection until I ...
13
votes
3answers
16k views

What can cause warped rotors?

I have a forward rotor on my '04 Chrysler Sebring causing a lot of pulsation when braking. I replaced the rotor- but within about a month the problem had re-appeared. The guys at Monroe noticed my ...
13
votes
2answers
522 views

Why do Harley Davidson engines suffer from such poor performance?

The modern Harley Davidson engine has very poor power output. Even when highly modified a 130HP engine can cost tens of thousands of US Dollars. Here are specs on one of the modern engines. ...
13
votes
2answers
152 views

Cold temperatures and tire pressure light

I have 2013 Nissan Rogue. I live in Toronto, Canada, so it is very cold here right now. I understand that cold temperatures can cause the tire pressure light to come on, but will it actually affect ...
13
votes
4answers
12k views

I drove with my Parking Brake on for 30 mins: should I be worried?

Yesterday, I was driving my car for about 30 minutes on the highway at speeds of up to 60 mph. I felt my brakes weren't really working and looked down to notice my emergency brake had been on the ...
13
votes
5answers
31k views

How to test for defective glow plugs?

On a diesel engine, how can I know which glow plugs are defective, and can I change these only?
13
votes
2answers
1k views

How can I know if the airbags have expired and what are the consequences?

How do I know if the airbags have expired? Is it the same years for every airbag? Maybe they can be checked? Then, if I have the airbags expired, what would be the consequences of using the car? ...
13
votes
3answers
6k views

Is it harmful to drive at high rpms

Does driving at high RPMs (3000-3500) in a manual transmission car cause any extra wear and tear to any mechanical parts? It obviously hurts gas mileage, but does it hurt anything else?
13
votes
2answers
24k views

Engine revs high 5th gear manual transmission

What might cause a car with a manual transmission that in 5th gear when given a punch of gas revs to very high rpms – with no power transferred to the wheels (i.e. the tachometer and speed go ...
13
votes
1answer
677 views

Safe way to drill through the engine bay firewall

I need to run cables through my firewall (the wall between the engine bay and the seating area) but I can't seem to find any factory placed holes to pull cables through. Now a lot of people told me ...
13
votes
1answer
8k views

What is the cause of belt squeak in the morning?

For the past month or so my 2003 Honda Accord squeaks in the morning when I start driving to work. After a couple of minutes of driving the squeak stops. I'm pretty sure it's from the belt area. What ...
13
votes
1answer
3k views

Why does diesel engine need a warm-up before the start-up?

When starting up, diesel engine needs approximately 5s before turning the key for ignition. Why is this neccessary and what can be damaged if you don't do that?
13
votes
6answers
65k views

Clicking type sound when braking at low speeds

Most of the time when I brake at low speeds I hear a clicking type sound, that is fairly faint. I do NOT hear squeaking, grinding or any high pitched noises that might indicate my brake pads are ...
13
votes
2answers
3k views

Should motorcyle exhaust headers ever glow red hot

I've got a '99 Pegaso 650 which hasn't been running for about 7 years. It's was in a quite a deteriorated state when I got it, i.e. seized carbs, tank full of water, sump full of an ugly fuel/oil mix, ...
13
votes
2answers
177 views

How do I troubleshoot the source of oil in my coolant?

I would like to know the step by step troubleshooting procedure for discovering the source of oil appearing in coolant. There are several different points of failure that can be the root cause for ...
13
votes
1answer
446 views

Will snow tire studs get rusty if a tire is washed before putting to storage?

Once snow tires are changed to warm-weather tires in spring it's tempting to wash them before putting to storage so that they don't stain stuff they come into contact with. One concern is that studs ...
13
votes
4answers
631 views

What makes two-stroke engines less fuel-efficient than four-strokes?

It is a commonly-held belief that two-stroke engines are less fuel-efficient than four-stroke engines, and some example BSFC figures appear to confirm this as well. But what is it that causes ...
13
votes
2answers
34k views

How should I remove stickers or pinstripe decals from paint?

I want to remove a dealer's sticker from my car. The sticker is on a painted surface. What is the best way to do it? Could I remove pinstripe decals in the same way?
13
votes
2answers
201 views

How does a transfer case split power between front/rear?

I've read somewhere that transfer cases (on 4x4 vehicles) split the power from front to rear, but don't do it equally. Something along a 60% rear/40% front (though I'm sure it could be any percentage ...
13
votes
1answer
12k views

Why is my Toyota dashboard shiny and sticky, and how do I clean it?

I have a 2008 Toyota Camry, which is primarily kept in Florida (southern U.S.). My entire dashboard has been sticky / tacky for years. I do not know why or how it got this way. It accumulates dust ...
13
votes
1answer
285 views

Replace car batteries with capacitors?

I recently watched this video on YouTube which basically shows the guy replacing a larger capacitors with some smaller capacitors which he had bought. The larger capacitors were actually in place of a ...
13
votes
2answers
259 views

Does waiting until the gas cap become faulty cause any damage?

The description for a fuel tank cap says: You can prevent unnecessary service costs by replacing the gas cap on modern vehicles before they go bad and the check engine light appears. Is this ...
13
votes
3answers
11k views

Why (almost) all dirt bikes have single cylinder engine?

Every dirt bike i know has a single cylinder engine. I myself ride a Yamaha XT660Z which has a huge 660 cc cylinder. What are the characteristics of those engines? what are the benefits of such ...
13
votes
1answer
82 views

How can I tell which parts of my car are “By Wire”?

I've recently purchases a manual transmission 1.5 Honda Mobilio. Which claimed to be a drive by wire vehicle and I assume it really is, but I don't know how to tell if a car is drive by wire. I am a ...
13
votes
1answer
4k views

how to optimize fuel consumption by changing the rear differential ratio?

Is it possible to improve the fuel consumption (decrease it) in my van by changing the rear differential ratio? I would like to optimize it for low-speed driving about 40 km/h (25 mph). Is it true ...
13
votes
2answers
14k views

How much does spark plug gap affect fuel efficiency?

I've read conflicting reports regarding how plug gap can affect fuel efficiency. For example, I've read that too small a gap won't cause a clean burn, or that too large a gap can cause misfires due ...
13
votes
4answers
50k views

What would be the most likely cause of engine sputter?

Most of the time my 2001 Honda Civic sounds like this... Vrooooooom. But some times when I start driving it sounds like this... Vrooom putt pa putt pa putt pa vrooooom. When it's in the "putt pa ...
13
votes
2answers
824 views

How do I drain the brake fluid for a 1999 BMW K1200RS?

I need to drain the brake fluid for my 1999 BMW K1200RS with ABS in order to do some minor service on the Master Cylinder, but I don't have a service manual for the bike. How should I go about doing ...
13
votes
2answers
175 views

What Color Should the Spark Be When Using a Spark Tester?

If I'm using a spark tester with an adjustable gap set to the correct gap for my car's ignition system voltage, what should the spark look like? I ask because I've seen conflicting opinions on this ...
13
votes
1answer
270 views

Engine noise / rattle when clutch is fully pressed [BMW 320d e46, manual]

I have a strange noise, like a rattling/stomping sound at idle, when pressing the clutch pedal. The clutch and the flywheel (DMF), were both changed with new parts. Except for that sound, the car ...
12
votes
4answers
5k views

Why do we mostly use fossil fuel instead of a more reliable and larger sum fuel?

Why do we mostly use fossil fuel instead of something like... Alcohol? We used it in a portion of our gas, so why don't we use it in greater quantities? Obviously there's a reason. My guess is ...
12
votes
4answers
3k views

Brakes make a “POP” sound and then I can't brake

I have a 1998 Honda Accord. I am driving today and I know that I need new brakes. They make a metal on metal screeching sound when I brake. Today as I go to brake at an intersection I hear a loud pop ...
12
votes
5answers
432 views

Do these EBC brake pads look like a counterfeit?

I have purchased a pair of EBC Red Stuff front brake pads for my Audi S4 from a supplier whose name I will keep anonymous for now. I opened up the box and everything seemed in place except a weird ...
12
votes
5answers
58k views

How far can you drive with an empty radiator?

The radiator on my Peugeot 106 has started leaking very badly and need replacing. I don't have time to fix it at the moment, so I'm taking it to a garage. How far can I drive it without damaging the ...
12
votes
3answers
2k views

Why is gas around a car battery only at risk of ignition from jumper cables?

As pointed out in Jump starting a dead battery: Connect black wire to negative pole of battery or grounded metal?, you connect the black jumper cable to the dead car's chassis to avoid sparks made ...
12
votes
7answers
9k views

Can radiator cool down a car too much?

Recently they replaced my stock radiator with aftermarket one (at dealership, so I hope they knew what they were doing), and since then I feel that a car is not warming up enough. Even if I warm it ...
12
votes
7answers
16k views

How reliable is a second-hand Subaru 2.5 RS 04-05?

Basically, I've been a Subaru enthusiast for a few years but never been able to purchase one because I'm still a student. However, this summer I will be able to. The issue is that I need a reliable ...
12
votes
4answers
25k views

brake rotors- blank, slotted or drilled?

There is a lot of conflicting information whether slotted or drilled rotors perform better than blank rotors. For a street car that will do the occasional track day, which type of rotor should I get?
12
votes
3answers
2k views

Clutch smell after botched attempt at accelerating on a ramp

Recently on a ramp in a parking structure I messed up when trying to accelerate again from a standstill by not letting the clutch out far enough and bringing the engine to way too high rpms (may have ...
12
votes
5answers
874 views

Should Multiple Coolant Hose Leaks in a Short Time Worry Me?

Right after fixing another problem with one of my cars ( 98 Mazda 626 GF 2L ), I revved the engine and all of a sudden heard the tell tale hiss of a coolant leak: As you can see, this hose just ...

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