Motor Vehicle Maintenance & Repair

Questions tagged [motors]

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25 views

cruise control problem

I have a Renault Dacia Logan since the car crashed in the accident my car cruise control stop working and start buzzing that by Increasing speed it buzzing faster. So i checked wiring and unit of my ...
0
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1answer
59 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 ...
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1answer
17 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
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0answers
52 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 ...
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3answers
166 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 ...
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2answers
2k 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 ...
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0answers
42 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 ...
0
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1answer
50 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?
1
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1answer
203 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 ...
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1answer
146 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 ...
4
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2answers
221 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 ...
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1answer
186 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 ...
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1answer
71 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 ...
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1answer
28 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 ...
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1answer
104 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?...
2
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1answer
61 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 ...
1
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1answer
62 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, ...
3
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2answers
3k 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 ...
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2answers
2k 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 ...
6
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5answers
6k 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.
1
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0answers
46 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 ...
3
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1answer
496 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,...
3
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0answers
646 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 ...
4
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1answer
3k 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 ...
4
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3answers
3k 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 ...
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1answer
58 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) ...
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1answer
76 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. ...
2
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2answers
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?
6
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2answers
201 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 ...
5
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1answer
534 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 ...
21
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3answers
2k 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 ...
15
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6answers
6k 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 ...
17
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8answers
21k 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 ...
17
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6answers
58k 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? ...
3
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0answers
122 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 ...
4
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3answers
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 ...
2
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1answer
25k 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, ...
1
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2answers
533 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 ...
4
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0answers
717 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 ...
5
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2answers
19k 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. ...
5
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3answers
26k 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: ...
6
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3answers
133 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 ...
3
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1answer
77 views

Gap a spark plug for another motor. How to be sure the correct gap for another model year motor?

I have a 1993 C1500 with 4.3L that has a motor (also a 4.3L) from another truck installed. The truck is originally a 1993, but I'm not exactly sure what year the "new" motor is - it was pulled from a ...
2
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2answers
14k views

Does timing jump cause engine replacement?

Does timing jump cause engine replacement? =========================================== My TOYOTA Camry 1999 was driving OK. I do check under the hood on and off, I did not do that check for awhile. ...
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2answers
3k views

Why are American cars less efficient compared to european European/Japan cars [closed]

A normal average European car has a engine with less than a 2.0 liter engine which consumes 1 litre of fuel in 18-22 km. A normal average American car has a engine at least a 2.5 liter engine and ...
2
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2answers
2k views

Car jerking at certain engine RPM

I drive a 1996 model Volvo 440 GL(manual gear box). When the engine RPM reaches around 2000 - 3000 range, car starts jerking. It feels like the car needs to go faster but something is not allowing. ...
6
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2answers
3k views

Motorcycle dies while riding in cold

I have a 2008 Suzuki Intruder (VL250) that is really struggling to run in the cold weather. It stalls and dies, loses power while riding, and dies while waiting at the lights. When I warm it up, even ...
3
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0answers
156 views

Tachometer On My Car Is Doing The Opposite At Warm up [closed]

The car is Ford Focus 2002 model. Ztec engine. 1.6V I'll go straight to the point. The problem started when I got my car engine washed (with water). I changed the coil, and plugs. It started running ...
5
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2answers
264 views

If I were to convert a gas powered automobile to an electric car, would a difference in specs possibly damage the car?

I would like to convert a Mazda Miata into an electric car, I plan to remove the engine and the gearbox, and have the car be a direct drive. The motor I intend to use has twice the torque of a ...
3
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2answers
7k views

My car wasn not accelerating and finally come to stop

I have chevy lumina 1991. The motor is very clean and looks like and used to work like a brand new car. However, these days since I was getting broke , I had to wait till my gas meter is very low and ...

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