2
votes
1answer
171 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
133 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 ...
7
votes
1answer
70 views

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

I have a 1982 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 ...
3
votes
0answers
121 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
678 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
87 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
77 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
34 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
37 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
40 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
322 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
135 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
73 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
87 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
41 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.
14
votes
3answers
3k 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
63 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
122 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
64 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
67 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
93 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
81 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
59 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 ...
3
votes
1answer
56 views

Fluctuating amp meter 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
57 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 ...
3
votes
0answers
45 views

Help identify round diodes - need a replacements [closed]

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 ...
1
vote
2answers
47 views

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

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 ...
2
votes
0answers
76 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. ...
6
votes
2answers
872 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 ...
2
votes
0answers
97 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 ...
2
votes
1answer
51 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
2answers
160 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 ...
4
votes
1answer
629 views

What is that sound?

I have a 2004 VW Golf Variant. There's no problem, I'm just curious. Just after I have opened the driver's side door, a small motor runs for about one second, then stops. This also happens if I stay ...
7
votes
1answer
506 views

What is this lever?

Recently I parked next to a (beautiful) 1957 Buick "Special" and took a bunch of photos. But I also noticed a lever to the left of the steering wheel, between the dash and the driver's side door, that ...
8
votes
2answers
3k views

Brake cleaner vs carb cleaner vs throttle-body cleaner

So I was spring-cleaning my man-cave/garage over the weekend and came across my assortment of chemical sprays - specifically carb cleaner and throttle body cleaner which caught my eye. Is there any ...
4
votes
2answers
336 views

Are there plugs for sale that are used to plug unused (thin) vacuum lines?

A bit of the background: I have a Mercedes that has a serpentine belt-driven air pump to help reduce smog in the exhaust. I heard this whole pump can be removed without causing any trouble, so I ...
1
vote
2answers
185 views

Dodge Stratus 2000 shaking at idle after timing belt replacement

I have a Dodge Stratus 2000 SE 2.4 L with 150,000 miles on it. I decided to change the timing belt and water pump, since my mechanic told me to do so because of the mileage it had on it. Anyways, I ...
2
votes
1answer
113 views

Reprogramming a Magneti Marelli Microplex MED604C

Im interested in reprogramming a Magneti Marelli Microplex MED604C ecu for the ignition of a uno turbo, but I can't seem to find any documentation for this? I'm new to ecu remapping, and my ...
1
vote
1answer
26 views

What is the pin layout / labels of this oil gauge?

I have a veglia oil pressure gauge from a fiat coupe 16v. On the reverse of the clock is 4 pins, the top and left ones are labeled negative and positive respectivly, but can anyone tell me what the ...
4
votes
1answer
501 views

Why is this motorcycle burning oil, and how can I get it to stop?

I have a newbie question for you. I'm considering buying a 2004 Yamaha TTR600RE- a single-cylinder, air-cooled dirt-focused dual-sport bike. It's perfectly set up for adventure touring, which is what ...
4
votes
1answer
60 views

How can torque converters fail?

In what ways can a torque converter stop working properly? Are there any symptoms that indicate failure, or simple tests one could do to determine a malfunctioning TC?
5
votes
2answers
220 views

Roof paint peeling badly, with rust — what to do?

I've got a 97 Dodge Grand Caravan that's generally in pretty good shape, but the roof has started peeling badly, and a few spots have accumulated some rust. This is an old car with limited value, so ...
5
votes
3answers
49 views

Trouble with lights on truck, using dc-dc converter & flasher unit

I have a friend who has asked me to help him sort out his truck lighting. It is a 24v truck with a 24-12v dc-dc converter for the body. It has 2 flashing lights, that when active make all the other ...
3
votes
0answers
59 views

What would cause the cam carriers to shatter on my BMW 3 Series (2011)

The timing chain has stretched and the cam carriers have shattered after only 72,000 miles. What could cause this? I have found out that the car was mapped/chipped by the previous owner. Have no idea ...
1
vote
0answers
40 views

Motorbike Lack of power/speed [closed]

I bought an ajs dd125e-8 it was delivered on Monday and I had no problems until yesterday on my way home from work. I got half way home and the bike just started to slow down and no matter how much ...
4
votes
1answer
81 views

How does a torque converter work?

I am still in the learning process and I am okay with torque converter but there is something I can't understand very well: Why does the impeller and turbine have vines in opposite directions? Why ...
1
vote
1answer
35 views

x3 bmw latest model has a diesel knock, opened the top one piston not reaching tdc

I have an x3 diesel latest model bought it at an auction. Now it had a heavy diesel knock sound. So I decided to open the top. When I did, I saw neither visual damage on my injectors nor the cylinder ...
1
vote
1answer
77 views

Lights works when car turns on but won't start when I turn the keys. Would it be the starter?

When I turn my keys and all lights are on but when I try to turn the car on nothing happens. Would it be that my starter is bad and need a new replace? Any help?
3
votes
1answer
50 views

After long journeys, gear slips in 5th, but not into neutral

This is a follow up to another question I asked. I've managed to get some video of it happening this time. It started happening after travelling for about 2 hours. I was experiencing heavy traffic. ...

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