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Questions tagged [motors]

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What will happen if you attach the negative pole of welder to the rotor of the motor or the body , will that cause problem?

I have built a machine that rotates a cylinder to weld it, I have to attache a negative pole to the cylinder which is connected directly to the rotor of motor, the motor is controled by a vfd , will ...
Alyamin Smail's user avatar
0 votes
0 answers
11 views

Mitsubishi Lancer 2016

I Had recently given my car for major service at Mitsubishi dealership After the car has arrived i have got this weird issue in my car At approximately 125 km/h, when the AC is on, there is a ...
Hussain Khokhawala's user avatar
0 votes
1 answer
36 views

Volkswagen van turbo problem

Volkswagen van 2500cc TDI 109 hp year 2004 The problem is that when I'm driving on the slopes it hits a dip and runs out of turbo. That's on the highway when I start to go down I take my foot off the ...
tyqwerty9321's user avatar
0 votes
0 answers
55 views

What could be wrong with my cbr150r motorcycle?

I have a cbr150R motorcycle. So basically when I cold Start it in the morning it works perfectly on a single self start. But the problem starts when I ride it for sometimes, turn the engine off and ...
Tushar7's user avatar
0 votes
0 answers
94 views

KIA soul 2013, has a clack-clack-clack noise when the motor is on. As I ramp up the revolutions the clacking frequency increases. Is this urgent?

Bought the car a year ago. I think I remember hearing the noise from the beginning, Motor has 180K miles, have done 2 oil changes. There is no recall notice from NHTSA. Car is stick shift, runs normal....
Juan Ojeda's user avatar
0 votes
0 answers
59 views

Heater Blower Disassembly

So i was attempting to fix my heater blower but, this is a very odd and panful thing to take apart Anyone know how? i need to get to the rotor to clean it out and get to the stator
WhiplashGamz's user avatar
1 vote
0 answers
40 views

I have a 2000 ford contour 2.0 runs fine but will not get any faster then 40 mph no matter how much throttle I give,

Motor runs fine transmission shits fine has full rpm range all gears but at 40 it will not run any faster no matter how much throttle you give
Beau's user avatar
  • 11
3 votes
0 answers
105 views

Stopping an electro magnet clutch from sticking

I have a Dorman 747-300 Sliding Door Motor for a Dodge Grand Caravan. The motor has a magnetic disc that will engage a brass "Clutch" with motor to open/close the door automatically. When ...
Jay Garbarino's user avatar
2 votes
1 answer
109 views

Barn find 74 Volkswagen Super Beetle Hydrolocked?

This VW has been sitting up for about 4-5 years and I'm looking to get this thing going again. I've replaced the drive belt on it, changed the oil, and I'll need to get a new battery but for now am ...
Raining_Crumbs's user avatar
0 votes
1 answer
165 views

Power loss after driving over 15km (engine hot)

I have a 2010 Opel corsa D driven under 50k km. The car was parked outside for 5 weeks as I was in vacation (outside temperature -4deg to +6deg). As I came back I found a strange problem every time I ...
Himadri Das's user avatar
-1 votes
1 answer
26 views

Toyota Avalon v6 3 letter 2000 model

Got a nocking noice in the oil pic up in sump can .can the can I take sump off with out pulling out motor
Mark Anthony Mitchell's user avatar
1 vote
0 answers
722 views

fuel consumption worse with rebuilt engine

I recently had to replace my motor in my 2013 dodge ram 1500 sport. they put in a rebuilt motor and i have noticed I am having a hard time with fuel mileage, on my motor that came with the ram I could ...
Bruce's user avatar
  • 11
0 votes
3 answers
238 views

is it warming up the engine for a short period of time a good thing or bad?

If I have a motor vehicle as a general question, Is warming up the engine for a short period of time - let's say 5 min, is it a good thing for the engine or bad? and what about specific for this ...
Marcello Miorelli's user avatar
0 votes
2 answers
19k views

Air distribution map of a 2012 VW Passat?

My 2012 VW Passat has dual AC zones. The passenger side AC is not blowing cold air. The Driver's side does. in my slow debugging routine, I am looking at the Wiring Diagram, but I cannot figure out ...
KingsInnerSoul's user avatar
0 votes
0 answers
208 views

Huyndai sonata 2012 engine misfires

I have Huyndai sonata 2012 GDI 2.4 cc The car starts just fine, but after few miles the engine misfires in the same cylinder, and when i stop the engine and run it again, the engine go back to normal ...
Abdalltif Basher's user avatar
0 votes
1 answer
145 views

What is the button near oil dipstick in Astra G

I have an Astra G selection 1.4, and near the oil dipstick I have a button that has a triangle and an exclamation mark. What is the use of it?
Nmaster88's user avatar
  • 121
1 vote
1 answer
2k views

Oil dipstick: Is the distance between the 2 markers an international standard?

Is the quantity of motor oil represented by the distance between the bottom marker and the top marker of an engine dipstick an international standard? If so, how much oil does it represent? In other ...
End Antisemitic Hate's user avatar
0 votes
1 answer
747 views

How sensitive is a timing belt or serpentine belt to getting a little oil on it?

Every once in a while, a drop of motor oil will get on the timing belt or serpentine belt when adding motor oil. Is it a good idea to wipe it off right away? If so, even after wiping it off, some ...
End Antisemitic Hate's user avatar
4 votes
2 answers
504 views

DIY Vehicle not moving

Hi, I am making a School Project. The goal is to build a vehicle. I have assembled everything as shown in the picture. It has a 40000 rpm motor, 12v dc battery, 6 inch lawn mower wheels for back. For ...
ThatBoyCoder's user avatar
1 vote
1 answer
253 views

Starter motor or Alternator?

Can anyone offer any advice? Got in my car on Monday and it was dead. I turned the key and there was no noise at all, but all the lights etc came on. No clicking or anything. I got a jump start and ...
Marie's user avatar
  • 11
1 vote
1 answer
150 views

Volkswagen rear wiper motor compatibility

Is the rear wiper motor OEM number 6x0 955 711 d (taken from VW Polo 2002) compatible with Golf MkIV (current motor has OEM number 1j6 955 711 b? I do not own this kind of vehicle so I cannot try it ...
steeef's user avatar
  • 23
0 votes
1 answer
77 views

Why Saab -90 loses suddenly all its power on 120 km/h but gains it back after restart?

I was driving uphill on the motorway, when the Saab lost all its power suddenly. I parked, restarted the machine, and the car worked again. I have rented the car. If anything happens to the car, etc ...
Léo Léopold Hertz 준영's user avatar
1 vote
1 answer
173 views

Sylvania 9005 HB3 12V 60W, I want to know the 60W is for 1 pair or just only 1 bulb?

I plan to buy a new LED headlight for my car. My car original High Beam bulb is Sylvania 9005 HB3 12V 60W ,but I confuse that the 60W is for per bulb or 1 pair? If 1 pair it's mean that 1 bulb is 30W?...
Thau Geng's user avatar
2 votes
1 answer
85 views

What is the purpose of this hose?

Context: For the last month I noticed that my car (2003 Mazda 2 [DY], petrol) had some issues accelerating, especially between 2000 and 3000 rpm in lower gears. I had this before and it got fixed by ...
Lennart's user avatar
  • 185
1 vote
1 answer
156 views

Motorcycle stopped working while riding

At the end of last season I was riding my motorcycle when suddenly the motor turned off. It was a harsh stop, not dying slowly like when there is no fuel left. Also just the engine stopped quietly, ...
Canonip's user avatar
  • 31
3 votes
2 answers
5k views

To switch back to regular oil (from semi-synthetic), do I have to (or should I) flush the engine first?

I have a 2017 Elantra (nine months old). At my first oil change, the dealership (without my knowledge or CONSENT) out in semi-synthetic oil (which is NOT required or necessarily recommended by the ...
Jersey Joe's user avatar
0 votes
2 answers
3k views

School bus conversion to Electric [closed]

I would like to start with a new project to convert a conventional school bus (approx 50 seater) to electric. The idea being that most School buses in my region are diesel which is ofcourse going to ...
Ricky's user avatar
  • 11
6 votes
5 answers
8k views

How often I need to change the motor oil of the Honda Fit 2008?

I bought a Honda Fit 2008 with 53000 miles, and I want to know how often I need change the motor oil?. Thanks in advance.
csuazo's user avatar
  • 103
1 vote
0 answers
48 views

What kind of DC/AC motors can be used to run a small electrical car?

I'm trying to design a small one wheeler electrical car which will be driven by a motor. However, I have no background in electrical or electronics and I just have a really basic idea of motors. As ...
Trafalgar Law's user avatar
3 votes
1 answer
866 views

How to tell the Difference: Condensation Drain Vs Lubrication Hole

I have an old medium sized 1/2 HP electric [motor]. On the bottom, on both ends, there is a small (couple millimeter) hole blocked with red plastic plugs. They are on the same side as the mounting rig,...
Jonathon's user avatar
  • 217
3 votes
0 answers
792 views

VIP future champion gas moped won't stay running

Okay so my moped sits over night I go to start it and it turns over and starts for about 3 seconds and shuts off. Well it will not start again until I put raw fuel or starter fluid in breather. After ...
Jordan's user avatar
  • 61
4 votes
1 answer
5k views

What is an orbital motor?

I came across this word on a particular type of hydraulic motor, but I do not understand what is so "orbital" about orbital motor. Essentially, to my understanding, it is just a motor powered by ...
KMC's user avatar
  • 141
4 votes
3 answers
5k views

Why no common ground for two 12v deep cycle marine batteries connected in series?

My trolling motor instructions advise that a common ground MUST be established for connecting the trolling motor either to one 12 volt marine battery or to two 12 volt deep cycle marine batteries ...
user avatar
0 votes
1 answer
66 views

Fast Linear actuator [closed]

Hi Im looking for some sort of linear actuator for diy chicken coop project with a 200mm travel, and atleast 100mm/s speed, but generally the faster the better, force between 10 and 35lbs(5 to 15kg) ...
Arthur's user avatar
  • 101
-2 votes
1 answer
96 views

which lane to turn into? [closed]

I have a question for left/right turn. Please excuse me if it is already been asked. When you are turning left into a 2-lane road from a 2-lane road, we should stick to the lane which we are in. ...
Sachin's user avatar
  • 1
2 votes
2 answers
3k views

Bushing in a motor? [closed]

Can someone please explain to me what the purpose of bushing is in a motor and what would happen if it was not present?
Quantum spaghettification's user avatar
6 votes
2 answers
308 views

Why should I back off all valve lash adjusters until valves are closed when changing a head gasket?

My Suzuki Swift 01 is leaking coolant. I'm trying to change the head gasket. I've gotten as far as taking the camshaft cover off. See this picture: I'm not sure what Step 11, "Back off all valve ...
Tiger Blood's user avatar
5 votes
1 answer
652 views

Motor blown after first oil change of the season after sitting all winter

My teenage son bought himself a D105 tractor several years ago. After the winter, he pushed it onto our driveway, and we completed an oil change and lube. Afterwards, he started up the tractor, drove ...
heidi's user avatar
  • 51
21 votes
3 answers
3k views

Does a carburettor engine apply fuel at high speeds when the pedal is no longer depressed?

There's a question that is pretty similar to this one except the existing question satisfies EFI engines. EFI question Let's say I roll down a hill at a considerable speed I let go of the gas. Say ...
EChan42's user avatar
  • 1,005
15 votes
6 answers
7k views

Turbo equivalent on electric motors

Is there anything functionally equivalent to a turbo for electric motors? Obviously, I am not asking for something that reuses exhaust gases to force in more air, because there are no exhaust gases ...
sergiol's user avatar
  • 686
18 votes
8 answers
26k views

Will having a radiator full of engine oil do damage to the motor?

I've got one question; I was looking over this car that I was going to buy and there was engine oil in the radiator. I asked the guys why it was in there and he said he didn't have enough coolant to ...
Mark's user avatar
  • 231
18 votes
6 answers
85k views

Can you run an engine without a radiator?

I've heard of people starting engines in a build without a Radiator hooked up, to see if it fires. If you have an old engine and want to see if it will run: Can it be started without a radiator? ...
Jonathan Musso's user avatar
3 votes
0 answers
124 views

What car would I need to buy (secondhand) to replace my currently wrecked BMW 318i motor? [closed]

Okay so I currently have a BMW e46 (318i) and i took it to my mechanic, motors wrecked etc etc. He suggested a cheaper alternative to fixing the motor would be to buy a whole new car (max 5k, second ...
Mazza's user avatar
  • 31
4 votes
3 answers
2k views

John Deere LX 266 lawn tractor engine dies

I have a John Deere LX 277 lawn tractor that has developed an engine problem that has my mechanic and me stumped. The motor in question is a Kawasaki FH500V (electric starter). While the engine is ...
hennejg's user avatar
  • 71
2 votes
1 answer
35k views

What is the purpose of a smog block-off plate?

What exactly is the purpose of a smog block-off plate? What does it 'block-off'? How is it installed? And what are the benefits/detriments of installing such plates? In my particular case, I ask, ...
davidcondrey's user avatar
1 vote
2 answers
597 views

timing belt 96 honda accord vtec

So the other day I was driving and my timing belt broke I tried to turn the key a few times then tore off the valve cover and noticed that the timing belt was broken people have told me the engine ...
im-not-a-pro's user avatar
4 votes
1 answer
775 views

My BMW X5 won't stay running

Hello I have a 2003 BMW X5. I just got the engine replace a couple days ago. I went to pick it up but because the shop was done installing the motor but now I have to deal with the other problems I ...
Dee's user avatar
  • 41
5 votes
2 answers
24k views

Scooter break-in period - Actual scientific backing or urban legend?

I don't understand the break-in periods needed for scooters/motorcycles. I know everyone says it, but I haven't found any explanation with some scientific backing to not making it an urban legend. ...
denislexic's user avatar
5 votes
3 answers
30k views

What do the numbers on motor oil specifications mean?

What do the numbers and letters in a motor oil specification mean? For example: 0w-30 5w-40 10w-20 Which values are better? Also, sometimes there are additional letters and numbers afterward like: ...
MasterHD's user avatar
  • 403
6 votes
3 answers
144 views

MOT coverage for car issues

This is a very UK specific question. I was wondering what sort of tests and (if any) fixes are covered by MOT tests. I know that lots of auto shops do servicing that focus on the MOT aspects of things ...
ha9u63a7's user avatar
  • 335