1
vote
0answers
48 views

Heater only Blowing cold air

I have a 1997 F150 4.2L engine. The engine warms to normal operating temp. Blower motor is fine. No matter what the AC/Heater control switch is turned to I only get cold air. Im thinking the switch ...
7
votes
1answer
34 views

1973 CB350-four, no spark on 1 and 4 when it's cold

When this bike is cold the 1st and 4th cylinders do not fire. Pulling the plugs and checking them, there is not spark. If you get the bike hot, it runs really bad on the way there, 1 and 4 come back....
12
votes
1answer
98 views

What is cold tire shearing?

I have friends that goto Track Days frequently on their motorcycles. If the first session is very cold they use their old tires and don't ride real hard because they don't want to shear their good ...
12
votes
5answers
6k views

Should negative trickle charger clips be attached to the battery negative terminal, or ground?

I'm trickle-charging a car using direct connections to the battery. I thought this couldn't be simpler: ventilate, unhook the battery, connect the positive first, then the negative, then turn on the ...
4
votes
1answer
55 views

1997 Ford Fiesta Strange Ticking Noise

The 1997 Ford Fiesta I sometimes drive has started to make a strange sound. It has started to make a ticking sound after I was pushing the tiny little 1.25L engine very hard on the way up North with ...
9
votes
2answers
276 views

What are Performance Camshafts?

I read the following question recently: What is it about performance cams that make engines produce more power when they are installed? I know there are a few components for cars that have "cam" ...
5
votes
1answer
108 views

How to increase horsepower? [closed]

How can you increase horsepower on an engine through general modifications without modifying the internals of the engine? Are there benefits or tradeoffs from doing so? What kind of things could I ...
10
votes
1answer
607 views

What is a 6 Pack and will it add performance to my engine?

What is a 6 pack in the hotrodding world? Does it improve performance of my engine?
7
votes
1answer
102 views

When doing body paint, do you cover up bolt holes?

I'm about to Herculine some body parts on a Jeep, and I'm wondering if you normally when doing body work cover up threaded bolt holes or paint over them? Is it difficult to put in a bolt if there is ...
5
votes
1answer
49 views

Why does my 2005 Mitsubishi Pajero use excessive amounts of fuel?

I have a Wagon with excessive fuel consumption. It's using 30 litres of petrol per 100 ks. I have seen many mechanics who can't find the problem. I know it has good intake and no exhaust problems. ...
4
votes
2answers
109 views

Bad Cat? Bad smell in Car when heating on [duplicate]

Have a 2004 Toyota Corolla with about 110,000 miles. When I ride the car with the heat on, every now and then it smells like rotten eggs. I looked online and people say I may have a bad catalytic ...
3
votes
1answer
91 views

Why is the Volvo dash dimmer so complicated? [closed]

Last year I had occasion to replace the dash light dimmer in my Volvo (after first trying unsuccessfully to repair it). It looks like this: Inside that plastic casing, believe it or not, are TWO ...
5
votes
1answer
63 views

How to build a palm coupling to compressed air coupling adapter?

Trucks use yellow and red coded ISO 1728 "palm couplings" for connecting the air supply and braking compressed air lines from the towing vehicle to a trailer. I want to build an adapter from the ...
8
votes
1answer
39 views

I own a 1989 Mercedes 560sec that has rpm surges for no real reason

It happens once or twice a month, I could be doing 60 mph, and its almost redlining at 5000 rpm!. Once the vehicle gets to normal operating temperature, and I turn it off for a few minutes and turn it ...
6
votes
0answers
90 views

Can you identify this part?

I have just had the cam belt and water pump changed at my local VW dealership on my 2004 VW Passat B5 and on the technical report they were kind enough to point out everything else they wanted to ...
10
votes
1answer
86 views

'98 Passat Locked when FOB batteries changed, how do you unlock it?

My friend owns a '98 VW Passat 2.0 Turbo. He changed the batteries in the key FOB and now the vehicle is locked by the security system. Using the key will not unlock any of the doors or trunk. What ...
4
votes
1answer
227 views

Cam Belt vs Belt Drive vs Serpentine Belt vs Fan Belt vs V Belt vs Timing Belt

I have a 2004 VW Passat B5 and having started to learn a bit more about engine theory, I was wondering how many belts I have and what names each of the belts have. So, I have a two part question: ...
6
votes
2answers
159 views

2004 VW Passat B5 What and Where is the Locking Wheel Nut?

I was asked recently where I keep the "locking wheel nut" on my car. What is this? What does it do? How can I find it on my car? Do I even have/need one?
5
votes
3answers
358 views

Blipping the Throttle [duplicate]

I have a 2004 VW Passat with a manual transmission. I have heard that "blipping" the throttle can be a good thing to do in order to achieve smoother downshifts whilst driving. What does this mean? How ...
6
votes
0answers
41 views

Ford F-150 4x2 4.9l straight 6 misses after lots of work

Just seems like plug wire, plug, or something missing shakes whole truck. It's acting like it's starving for gas. New plugs, plug wires, MAF sensor, idle control sensor, cleaned and still can't figure ...
6
votes
1answer
58 views

Quick paint job now, or wait until I can do it right?

My question is similar this question but my focus is a little different. I have a 1982 Porsche 911 that has collected quite a number of chips and scratches on the front, mostly from rocks bouncing ...
12
votes
4answers
987 views

2000 VW Polo struggles to/won't start when engine warm

My 2000 1.4 petrol polo struggles to start when warm and sometimes will not start, until the engine has cooled down a bit, when the engine is on the hot side of warm. Embarrassingly, I have lived ...
12
votes
2answers
259 views

How do I apply Fibreglass and Bondo?

Does it have to be on bare metal? What about adding the product to primer?
7
votes
1answer
71 views

What is an English Wheel and how do I use one?

What exactly is an English Wheel? How can I use one?
4
votes
2answers
161 views

Gear ratio from speed and rpm

http://stackoverflow.com/questions/30017271/obdii-determine-gear-given-speed-and-rpm Referring to the above link, one method to find the current gear ratio is to calculate Speed/rpm (The rpm is the ...
1
vote
0answers
34 views

fuel consumption in CR-V 2007

lately I found my car consuming more fuel than usual,it was doing 8 liters per 100km,then it raised to 12 liters per 100km,I asked its agency to check for the problem,they found nothing unusual,after ...
1
vote
0answers
48 views

hi I've just done engine overhaul car is not starting [closed]

Good day. I've just done an engine overhaul of a Fiat Palio 16. When I try to start it the is swing but not start.
11
votes
1answer
96 views

Radial tires: Do they bulge at too high pressure?

It's tire pressure time! At least when looking at the recent new questions. So here is another question about air pressure. At driving schools, shops and in the internet you often find this type of ...
11
votes
3answers
418 views

How Urgent is it to Replace Worn Out CV Boots

I recently noticed that what I think are the inner CV boots on my 99 Nissan Almera have started coming apart: They were still in one piece this past August when I took the car for inspection, so ...
6
votes
1answer
51 views

Identifying Suspension Parts on my Mazda 626

This is a continuation of my question regarding What to Check When Replacing Struts, but specific to my 98 Mazda 626 2L. I want to make sure: I've correctly identified the parts What is their ...
13
votes
2answers
267 views

Does waiting until the gas cap become faulty cause any damage?

The description for a fuel tank cap says: You can prevent unnecessary service costs by replacing the gas cap on modern vehicles before they go bad and the check engine light appears. Is this ...
7
votes
1answer
558 views

Checking Tire Pressure when the tire is warm or cold

Witnessed a recent debate about what is the appropriate temperature to check tire pressure at. The debate centered around warm or cold, there wasn't an exact temperature given by any of the parties. ...
6
votes
0answers
240 views

Remanufactured 5.3 engine not firing on one bank

2007 Chevy Avalanche 5.3 vin 3. Bought a remanufactured engine, after install truck runs only on bank 1 (1,3,5,7). Have power to coil packs on bank 2 (2,4,6,8) but no spark. Put in new cam sensor, ...
12
votes
2answers
116 views

What is meant by degreeing a cam?

In the hot rodding world, "degreeing the cam" is an often used term when installing an aftermarket camshaft. What does the term mean, what does it do for you, why should you do it, and what are the ...
6
votes
3answers
410 views

How To Pump Up Car Tires (finding the optimal PSI for your tires)

I have noticed that all the tires on my VW Passat B5 have "44 PSI" written on them except the spare that has "51 PSI". This seems incredibly high to me so when I filled them up recently at the petrol ...
8
votes
1answer
123 views

Tire Speed Rating Naming Convention

According to an answer on this page the speed ratings that can appear on the end of a tire specification (like "195/65R15 91 V") include almost all of the letters of the alphalphabet in almost the ...
9
votes
2answers
138 views

headlights come on by themselves when car sitting in sun

if sitting in the sun on a hot day, my family's 1995 Mazda protege 323's headlights will come on, even though they are not switched on. This occurs with the car off, and the keys out. The simple way ...
7
votes
2answers
78 views

Honda R8X-S heat seize

I've got a Honda R8X that heat seizes when I'm riding it when it goes over 40mph. The lad I got it off said he had it re-bored and that it was run in. Will I need to re-bore this again or is there ...
10
votes
3answers
551 views

Why won't my engine rotate?

After doing some maintenance on a 2000 Porsche 911 engine (3.4l normally aspirated), I find that I can manually rotate it with a wrench on the flywheel, to a certain point but no farther and I can't ...
9
votes
1answer
77 views

2000 Suzuki Grand Vitara 4x4 flashing

Whenever i engage my 4x4, the 4x4 light flashes. It didn't used to do this. Its annoying watching it flash. Any ideas what could be causing it to flash?
9
votes
1answer
109 views

How can I secure the power block for my LED headlights?

I purchased an LED low-beam conversion kit and installed it yesterday in my 2010 Forester. The installation was easy enough, other than having to move the battery to get enough space to fit my ...
5
votes
2answers
147 views

Awful sound when coming to a stop even after brake pads and discs replaced

I have a Vauxhall zafira which I bought a year ago. I was told upon buying the vehicle that its pads and discs would need replacing soon so I changed them straight away (with genuine Vauxhall ones, ...
4
votes
2answers
205 views

What does the letter at the end of a tire code signify? [duplicate]

Take the following tire codes, for instance: 195/65R15 91 V 245/40R18 97 Y What does the "V" signify? What other letter codes are there?
26
votes
1answer
2k views

Why are the blades of old car radiator fans unevenly spaced?

Fans that look like this: Is it to somehow help the balance of the engine?
21
votes
2answers
996 views

How To Read Car Tires

On my VW Passat B5 tires, there is a marking that reads "195/65R15 91 V". What does this mean? Do I have to get replacement tires with this exact marking on the side of the tire in the future or not? ...
1
vote
1answer
47 views

2004 VW Passat B5 How To Choose New Wheels

I am thinking about getting some new alloy wheels for my car. How do I find out what rim sizes or specifications are compatible with my car? Or any car for that matter? I found these stats on wheel-...
11
votes
2answers
354 views

2013 Toyota Tacoma flashing 4x4 light on dash

My friends Tacoma has the flashing green 4x4 light going on the dash. I read the instructions regarding putting it into 4 wheel drive, 2 wheel drive and 4x4 low and nothing changed. We drove it to an ...
10
votes
1answer
148 views

Formula 1 valve trains

There was a statement in a post regarding Formula 1 valve trains being pneumatic or magnetic. Are there valve trains driven magnetically or pneumatically that are on the market? When did they start ...
8
votes
2answers
160 views

Is it healthy to drive with a bad IAC? [closed]

My IAC is bad and in order to keep my car running while a stop sign/light is to have one foot on the brake and one foot on the gas. Is this an effective fix to travel until I get it fixed? Or ...
4
votes
2answers
255 views

LED lights on same switch [closed]

I'm trying to wire 4 low voltage LED lights in a vehicle. I would like all 4 lights to come on with one switch, and only 2 of the 4 lights with another switch. I could also use one switch if it has ...

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