Motor Vehicle Maintenance & Repair Stack Exchange
Motor Vehicle Maintenance & Repair Stack Exchange

Most Popular

more tags
1500 questions
8
votes
1 answer

What is the name of the following electrical symbol?

What is the name of the following symbol (in red) : This is from the front wiper motor schematic of a Toyota Corolla car. First time I have seen this. I searched a little bit on various websites but couldn't find the meaning.
tigrou
  • 181
  • 1
8
votes
1 answer

Clutch dragging and making squeaking/grinding noise

My motorcycle clutch (Yamaha Diversion) has recently started dragging extremely badly; I need to rev-match up and down gears and shifting from neutral into first requires me to rev the engine, pull the clutch, then shift in. It's also making a…
slugonamission
  • 183
  • 1
  • 1
  • 6
8
votes
1 answer

Fixing wheel runout after "detour" through ditch

I recently took a detour through a ditch on the way to work. There was a lot of snow there which made itself known - my car and it got along pretty well but as far as I'm concerned, they need to permanently break-up and not get so close…
enderland
  • 318
  • 1
  • 12
8
votes
4 answers

why do engines have so much unused horsepower?

I've looked at the power rating of an engine used in a Humvee (5500 lbs) and was surprised it's only ~190 horsepower, which is exceeded by many 4 door sedans. So an obvious question is why doesn't my Camry SE (3300 lbs) burn more gas than a Humvee…
Yale Zhang
  • 191
  • 1
  • 5
8
votes
2 answers

Using only coolant or mix of water for radiator?

Do I have to use only coolant for radiator or mix coolant with water, if so what percentage of coolant and water should be mixed?
Nalaka526
  • 195
  • 1
  • 1
  • 5
8
votes
2 answers

Carburetted motorcycle stalls when accelerator is applied

My father has 1995 Kawasaki VN 800 Vulcan with low kilometrage (18 000, 11 000 miles). We had installed new Vance & Hines pipes on it (in hindsight, way, way too loud, but that’s beside the point, and we’ll have to live with it). When I put it…
theUg
  • 2,430
  • 3
  • 22
  • 43
8
votes
3 answers

Car randomly stalls (driving or stationary), then generally kicks back in or starts back up straight away

I have an Australia-built Ford Falcon which has a 4.0L multi-point fuel injected straight 6 and is manual. I rebuilt the head in the car myself last year (blown head gasket) and it has been running fine since. It’s always had a funny slight flat…
James
  • 458
  • 1
  • 6
  • 9
8
votes
6 answers

Does switching to neutral on an automatic transmission improve braking for immediate stopping?

I've been told that when needing to brake quickly, throwing the gear into neutral on an automatic transmission actually allows for better/quicker braking. I understand how things work pretty well but lack automotive knowledge -- so I cannot really…
shaselton
  • 183
  • 1
  • 1
  • 3
8
votes
5 answers

Running Harley for 100 miles with no oil

The bike just had the oil change, however they forgot to put the oil back into motor. I left on a trip and rode 124 miles before any issues. I starting hearing this loud, loud noise from motor and I pulled off. I found out there was no oil and the…
MD Frazier
  • 81
  • 1
  • 2
8
votes
1 answer

What fasteners should not be loosened using an impact wrench, and why?

Which bolts and other fasteners should not be loosened using an impact wrench? For example, I've heard that it's not generally recommended to loosen spark plugs with an impact. Nor is it recommended to loosen head bolts using an impact. What's the…
Ives
  • 700
  • 1
  • 9
  • 16
8
votes
2 answers

OBD-II difference between signal ground and chassis ground

Am planning to install a carputer (Raspberry Pi) in a 2005 Ford Mondeo, replacing the car stereo. The Quadlock connector to the stereo apparently includes CAN bus, so I am thinking I will get a USB OBD-II adapter and just solder the relevant…
Tomas By
  • 215
  • 1
  • 2
  • 7
8
votes
1 answer

Engine revs up when braking

Background: 2012 Honda Civic EX, 5-speed automatic, with no mods except a non-stock tire (ran over a large bolt). I keep it maintained per the manufacturer's manual and always see the Honda dealership that sold it to me new for maintenance. 20k…
allquixotic
  • 509
  • 2
  • 5
  • 12
8
votes
3 answers

Turbo losing boost at around 4000 rpm

I have a 2005 Opel Astra Turbo Coupe. I would imagine most of you guys are more familiar with the Vauxhall or Holden badge, but it's the same car with the same Z20LET Turbo Ecotec engine. Anyways, when driving, the turbo kicks in at 2500 rpm, as…
Captain Kenpachi
  • 8,888
  • 3
  • 26
  • 43
8
votes
2 answers

Motorcycle's electrical system and starter work after sitting for years, but engine won't run

I have an 1981 Honda CB750 bike that's been sitting in a garage in Arizona for 5 years. So far I've changed the battery and found all electrical components to be working. The engine isn't seized and the bike cranks, but won't start up. I've worked…
John smith
  • 81
  • 1
  • 2
8
votes
3 answers

Does idle RPM increase when there is heavy load on the electrical system?

I am thinking about installing a 500w halogen (HDX brand) on the roll bar in my jeep as the dome light because often I work in the back when it is dark or when I would like more light. The 500w light will be drawing about 40amps from my car's…
Sponge Bob
  • 1,567
  • 9
  • 28
  • 36
1 2 3
…
99
100