7
votes
5answers
338 views

Can hooking up jumper cables incorrectly damage the electrical system of the receiving vehicle?

Our Jeep was having problems turning over, so we called a tow truck driver. He connected the jumper cables incorrectly, starting a small fire on the battery box. After the fire was out, the Jeep no ...
2
votes
3answers
49 views

What is this thing behind my oilpan and is it bad that it's cracked?

Sorry I can't be more specific. I have no idea what it is and my google-fu has failed me. Here is an image of the part in question. It is in the center of the image and has a large crack in it. ...
2
votes
1answer
29 views

Better instructions how to use a micrometer

I am confused by these instructions on how to use a micrometer. Does anyone know of better ones? I need to measure the thickness of my valve lifters (and then do a feeler gauge test but that is not ...
1
vote
0answers
27 views

Do any generic OBD tools provide re-keying OBD Key? [closed]

It seems the rekeying mechanisms use OBD II. Here is an example of one. Do any generic OBD II Diagnostic and Key Code Clearing tools support this rekeying functionality via OBD Key? Preferably one ...
3
votes
2answers
55 views

Removing stripe or decal glue from exterior paint

I bought a Ford Fiesta Zetec and the previous owner has removed the stripes that run over the middle of the car, which has left a terrible looking mark, as if the glue has not come off when they ...
2
votes
1answer
38 views

Will using a higher speed rated tire do anything for the car?

I heard that going down on the manufacturer's tire speed rating will affect the handling but will going up from an H to a V do anything such as increasing tread life.
1
vote
1answer
32 views

Cooling the ignition coil

I had an old 64 Fairlane that died in rush hour traffic one day. I called a buddy who worked near me-- he pulled up to the side of the road with a bag of ice, and held it to the ignition coil. The ...
1
vote
1answer
30 views

How to measure torque statically?

I am familiar with the concept of torque wrench. However, with a torque wrench, one can only apply a desired amount of torque. Is there a way to measure how much torque has been applied to a certain ...
5
votes
1answer
66 views

What happens if you keep starting the car for too long?

If you're starting the engine and it has already started but you keep pressing the key and the starter keeps working while the engine is running. What can this cause?? Could it harm anything?
2
votes
2answers
60 views

Run-flat tires vs. fix-a-flat?

I just bought a car without a spare, on which all the tires will need to be replaced soon. Run-flat tires are crazy expensive. How well does fix-a-flat work for getting me to a tire shop in the case ...
2
votes
1answer
28 views

Removing the smog pump on an 84 Ranger

I have an old 84 Ranger with a 2.8L V6 and I'm trying to squeeze out as much power out of the engine as possible. The cat had been removed by the last owner, so the pump was essentially just pushing ...
2
votes
2answers
48 views

How can I turn my rear window into a one-way mirror?

I still want to be abl to see out the back of my car, but at the same time I want to give all those obnoxious pricks who drive around with their high-beams on at night even when they're behind another ...
0
votes
1answer
30 views

Honda Jazz 51 no electrics

Hi my wife cars electrics are not working (no central locking, no lights on the dash - nothing). I have tried charging the battery and jump starting but no luck. Could a fuse stop all the electors ...
6
votes
4answers
249 views

How to measure angle when ratcheting a bolt?

The torque spec for my Tacoma says that cylinder head bolts should be torqued (in a specific sequence) to 27 ft/lbs initially and then again each should be turned another 180 degrees in the same ...
0
votes
0answers
28 views

2003 Ford Escape won't start

I have a 2003 Ford Escape that won't start. I just paid for a mechanic to put in an alternator. 2 weeks later my car is not starting. What else could it be? My battery was new last year.
0
votes
0answers
25 views

CRC field calculation for CAN 2.0 B

Do you have a practical example on how to calculate the CRC field for CAN 2.0 B?
7
votes
4answers
713 views

Car pulls to right when letting go of accelerator?

I'm driving an old Grand Voyager minivan temporarily, and notice that when I accelerate then let go of the accelerator, the car pulls slightly to the right, and I have to correct it by steering a ...
2
votes
1answer
33 views

What's the difference between a Compounding, Finishing, Buffing, and Polishing pad?

3M and other companies make numerous different types of foam pads (links are to 3M products), Compounding Finishing Buffing Polishing What's the difference between these types of pads? How do I ...
2
votes
3answers
103 views

different tire ratios

I have a 2006 GMC Sierra 1500 extended cab 4x2. I have 4 extremely worn tires. We are traveling from Texas panhandle to Carlsbad NM so I need to replace them. The problem is I can only afford used ...
3
votes
1answer
45 views

Clutch pulls in too easy after reassebling the clutch basket, what did I did wrong?

I have a 10982 Kawasaki KZ550C LTD. When I got the bike one of the bearings on the starter assembly was worn out and would slip. So I pulled the engine and had to tear it down in order to get to the ...
2
votes
0answers
36 views

How to remove engine cooling fan from a W169 Mercedes A-Class

How do you remove engine cooling fan from A-Class Mercedes W169?
2
votes
2answers
670 views

For 2 identical car models, 1 being cabriolet, which consumes less fuel?

What is the effect on car fuel consumption of having a roof or not? I guess it may depend on the car model, but generally, considering common commercial cars, which setting saves more fuel?
1
vote
1answer
47 views

Why is American Toyota cars design different from European Toyota cars?

If compare Toyota same models from toyota.com (US) and toyota-europe.com (Europe) websites the models are a little bit different in design. So I wonder why Toyota makes different cars of the same ...
2
votes
1answer
32 views

Car shuts off right after cooling fan turns on

After several months of looking for issues in my car, I have finally fixed most of them, except for the "catalytic converter" light and the sudden shut off of the motor. Today I turned on the car ...
3
votes
1answer
19 views

1995 Mercury Sable 3.8l - 2300rpm at Starting Of Engine but Will Not Fall Below 1500rpms

This car is driving me absolutely batty. I have never had any problems with it before. The other day I drove my car to Vegas airport from Orange County (about 4 hr drive) and my car died on me 6 ...
2
votes
1answer
21 views

Is It Harmful to Have a Small Gap at the Bottom of Trunk Weatherstrip?

I just replaced the trunk weatherstrip on my 1999 Civic coupe because the old one was rotting, rain was getting into the trunk, and I'm pretty sure that was the culprit. The replacement weatherstrip ...
2
votes
2answers
28 views

2006 Pontiac Solstice - Wipers turn on by themselves

Here's a new one: Three times in the past week, the wipers have randomly turned themselves on. Each time turning the switch on and back off has fixed the issue. I haven't seen anything else ...
3
votes
3answers
100 views

Do cowl hoods actually help with engine cooling?

I've read that cowl hoods used to be the method for air induction for older vehicles with carburetors and that the only purpose they serve for vehicles with fuel injection is for looks. However, I ...
4
votes
1answer
35 views

Honda Civic 1997 steering fluid leak

I bought my -97 Civic two weeks ago. After a week of driving, the power steering started to screech whenever I turned the wheels while the engine was cold (with warm engine the eerie screeching sound ...
2
votes
2answers
48 views

Car wont turn over after trying to get it out of snow

I have a 1998 Mustang V6. Last winter I attempted to get it out of the snow on an inclined driveway. I revved it apparently too hard and the engine sputtered for a moment and stopped. Since then it ...
2
votes
2answers
35 views

Cleaning Oil Siphon Tube with Brake Cleaner? (Is brake cleaner oil-safe?)

I recently used some siphon tubing to remove some oil from my engine. This worked great until I realized I wasn't sure how I could clean the tube for reuse as I don't want to use a siphon tube that ...
-1
votes
2answers
30 views

BMW 320d es auto engine size

I would like to know how to tell engine size of a BMW. I only buy cars a 1.9 litre or smaller engine.
11
votes
3answers
2k views

Can a vehicle be harmed with bad inputs via an OBD-2 port?

I bought a cheap (sub $10) ELM 327 Bluetooth clone OBD-2 diagnostic adapter on a local "ebay-style" market where the seller specializes in car diagnostics and has several thousand positive reviews ...
1
vote
1answer
42 views

I have a small 196cc 6.5 horse power engine

I am using this motor in a small pit bike. And was wondering why there was 2 oil spots. I was told on is for the motor oil and one is a white merky fluid but dont know what to look for. Please help.
4
votes
2answers
85 views

Mystery wiring harness underneath the gearshift on a 2004 Ford Focus

My Ford Focus had an evaporator core leak, so the DIY hobbyist in me took apart the instrument panel, dashboard and finally, replaced the evaporator core. I'm on my way putting parts back together. ...
2
votes
1answer
39 views

How much amperage is an average car battery?

So, this is in general terms... But say you have a flat battery and you wanted to start a car without another card battery? Car batteries are 12V but I'm not sure how much current they are. Do they ...
3
votes
1answer
35 views

Necessity of draining gas for a vehicle that has been sitting for 2-3 years

Related: Reviving a vehicle that has been idle for a long time. A car has not been started for over 2 years. No fuel stabilizer was added to the tank. According to some sources it's best to drain ...
3
votes
1answer
53 views

Shortblock vs Longblock

What is the difference between a shortblock and a longblock? Both terms are used to refer to the engine, but what's the difference between them?
3
votes
1answer
36 views

Citroen C4 Grand Picasso 2007 Multi Function Screen C failed

I've just bought a C4 Grand Picasso, love the car, super practical and comfy. The electronic dashboard is working fine, but the multi-function screen portion is completely blank. So I have a ...
2
votes
0answers
27 views

Clunking Sound in 2008 Chevrolet Malibu [duplicate]

I recently made a post about a sound coming from the front end of my 2008 Chevrolet Malibu. The sound occurs when I accelerate fast or break harder. It also makes the noise when I go slowly over ...
1
vote
1answer
33 views

caliper leaking…

I drive a 2008 Ford Taurus X. In June, I had the rear rotors and pads replaced. They also had to replace the right rear caliper. Last week (less than 2,000 miles later) the left rear caliper started ...
2
votes
1answer
27 views

Fluctuating ammeter on 1948 automobile

On an old auto 6 volt (generator/regulator) system, what causes the ammeter to fluctuate between zero and -35 amps? Seems acceptable at idle but fluctuates on the discharge side when driving. Will ...
0
votes
2answers
48 views

Will an inspection done by a certified mechanic reveal any and all damage done to a car that has been in a previous accident?

So I'm looking to buy my first car. I'm going to buy something used and have come across a dealership that sells previously leased cars. I've looked up reviews for this particular dealership and most ...
1
vote
2answers
36 views

Help identify round diodes - need a replacements

Few diodes died in three phase rectifier circuit on a motorbike. I can't find any suitable replacement online since I can't understand what kind of packaging is it. They round like a round pill. 7mm ...
0
votes
0answers
20 views

linking a phone to a car via OBD-II and Bluetooth: Automatic (1st gen) in Europe

I am relocating to Europe soon, and I'm pretty sure my new car would have OBD-II. Why is Automatic adamant their current product is for the US only? Is it a regulatory issue, or something technical ...
1
vote
0answers
27 views

Hyundai Tucson died while driving; will not start

I have a Hyundai Tucson 2011 directed injected diesel which has just broken down. What happened is that while driving the engine suddenly stopped and won't start. There is no check engine light on. ...
5
votes
2answers
778 views

Do valves rotate over time?

As I was doing my valve servicing, one question came to mind: As valves undergo millions of cycles of reciprocating motion, do they actually rotate or is their position relative to the seal fixed? Or ...
1
vote
0answers
35 views

Key won't turn to off position on 2010 Chevy Aveo

I have a 2010 Chevy Aveo and the key will not turn to the off position. It starts and drives but when you try to turn it off it will not turn past the accessory position to the off position. When the ...
0
votes
0answers
31 views

Burn marks near SOME exhaust valves inside heads

As you can see in the picture, there are burn marks around SOME of my exhaust valve tops and not others (2 out of the 3 cylinders in the picture): What could be the reason for them? Could it be ...
5
votes
1answer
68 views

Why is my Chevy 2008 Cobalt not acting as though it's getting enough fuel and reading “cylinder 4 misfire?”

I have a Chevrolet 2008 Cobalt (LS) that I've had for about 7 years. No sooner do I have this thing payed off, when it starts giving me the following problem (I've never had any trouble with it ...

15 30 50 per page