Most Popular
1500 questions
13
votes
1 answer
Car Parts Software To View Parts of a Car
Is there computer software that lets you see parts of a car for common car models, like European brands, and browse them in 3D. Is there anything that would have autocad schematics or something like that?
ppk
- 131
- 1
- 3
13
votes
2 answers
Why has white powder formed on metal parts after cleaning with degreaser and what can I do about it?
I just cleaned much of my engine compartment with Abro Heavy Duty Degreaser, and I noticed that on certain metal parts like the valve cover, thermostat housing and transmission housing a white powder has formed:
I left the degreaser on for maybe 30…
Robert S. Barnes
- 15,780
- 72
- 157
- 249
13
votes
4 answers
What are the "1" and "2" or "L" gears used for on an automatic?
In a car with an automatic transmission, we are normally greeted by the acronym PRNDL, or in some cases (older cars) PRND21.
I know that the L, 1, or 2 will cause the transmission to stay in a (L)ow gear and not upshift, but I've heard various…
JPhi1618
- 13,266
- 4
- 40
- 81
13
votes
3 answers
How to test a bolted-in heavy duty 50a / 80a / 100a fuse with a multimeter without removing it?
I want to check if this particular 50 amp fuse on a RAV4 (1998 first generation) is blown or not. Just looking, it's hard to tell because of what I assume are blue-green deposits on copper (this is the view inside it with the cover…
user56reinstatemonica8
- 2,648
- 12
- 31
- 58
13
votes
1 answer
Can I drive with a broken/without the spider spring in my clutch?
Long story short: I managed to break the spider spring inside my slipper clutch. Apparently these things happen. Below are two pictures of this work of art:
Now I have some 300km separating me from home. Obviously precaution dictates that I leave…
JoErNanO
- 1,765
- 4
- 23
- 47
13
votes
6 answers
What would happen if you shifted into reverse while you are going forward?
First, I am talking about manual cars and I know this is considered impossible because of the synchronized gears, but lets suppose that you can manage to shift gears (For example you could shift into reverse when stopped and then pull the car…
Pablo Matias Gomez
- 746
- 2
- 9
- 19
13
votes
3 answers
How do you get more horsepower out of a 1979 Mazda RX7?
Moar Horsepower?
The 1979 Mazda RX7 - Desireable Track Car
It seems this platform is very popular in club racing today. You see them as prized possessions at SCCA gatherings to simple track days. The Wankel engine can be punished time and time…
DucatiKiller
- 32,976
- 22
- 150
- 267
13
votes
1 answer
Who came up with "suck, squeeze, bang, blow"?
A popular explanation of how a four stroke engine works is
Suck, squeeze, bang, blow.
The engine sucks in a mixture of fuel and air, then squeezes it together (compresses it), then it burns / explodes that with a bang, and finally it blows out the…
SQB
- 786
- 1
- 8
- 19
13
votes
6 answers
Cold Air Intake and Engine Wear
I'm contemplating whether or not to retrofit my car with a cold-air intake and performance air filter. Will doing so lower the lifespan of my engine? That is to say, increase likelihood of engine repair, relating to the aforementioned alterations,…
culturalanomoly
- 233
- 1
- 2
- 6
13
votes
4 answers
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 alcohol does not contain enough oxygen to allow for a…
LostPecti
- 1,711
- 4
- 23
- 31
13
votes
3 answers
2009 Honda Accord 2.4l P0300 P0302 P0303 P0339
This one came in today with a check engine light on and a complaint of running rough and won't accelerate past 30MPH.
Checked the codes.
Some misfire freeze frame.
Reset and went for a test drive.
Codes P0300, P0302 and P0303 come back right away.…
Ben
- 10,686
- 4
- 23
- 54
13
votes
2 answers
Rough idle @ stoplights - O2 sensors reading zero voltage
I have an '05 4.7L Dodge Dakota that has had an issue with rough idle for over a year now. It seems to only happen after coming to a stop at a traffic light. It seems to happen more often after having driven a long distance but occasionally occurs…
kldavis4
- 181
- 1
- 1
- 6
13
votes
3 answers
Does increasing head gasket thickness make it more failure-prone?
A well-known fact when adding forced-induction to an engine originally designed for naturally-aspirated applications, is that it may be necessary to reduce the compression ratio to counter the increased risk of pre-ignition/detonation.
A…
Zaid
- 39,276
- 50
- 151
- 294
13
votes
5 answers
Tire SideWall Damage. Replace?
Yesterday I bumped into a curb and my tire has sidewall damage. Is this tire safe to drive on? or do I need to replace this tire?
M.Bolt
- 131
- 1
- 1
- 4
13
votes
1 answer
What are the pro's and con's of compression braking vs. exhaust braking?
My truck supports 2 types of engine brakes:
Compression release brake
Exhaust brake
Both can be selectively deactivated using switches.
What are the pro's and con's of each type of engine braking system?
(considering various factors like component…
niko
- 343
- 2
- 10