3
votes
1answer
40 views

Aftermarket Pneumatic Suspension - Pro's and Con's

I am trying to estimate the feasibility of installing an after market pneumatic suspension (called sometimes air bags suspension?) for a VW Tiguan. The Touareg, for example, has a factory optional ...
5
votes
1answer
51 views

Should I get a wheel alignment?

I recently just started to notice that my car is slightly pulling to the left right after I took my winter tires off. It's not much. If i let go it will go straight for a few meters before pulling. Is ...
14
votes
4answers
1k views

What does it mean to retard an engine?

I have come across this term. What does it mean to retard an engine? When would you typically have to do such a thing? What can happen if you don't or incorrectly retard the engine? What sort of ...
3
votes
0answers
32 views

Oddball Cat and Exhaust Manifold 04 Nissan Xterra

I recently got the p0420 code and narrowed the issue down to needing a new cat. Thought i'd be smart and went to Walker identify the exhaust for a basic '04 Nissan Xterra XE, 4WD, 3.3L. Found the ...
4
votes
1answer
39 views

Thermocouple vs Thermostat

Why don't modern engines use a thermocouple (electronic temperature sensor) instead of a (wax element) thermostat?
1
vote
0answers
19 views

04 Pontiac grand Prix fail [closed]

So I bought my car, 2004 Pontiac Grand Prix and 30 minute it started to over heat. The dealership had no water or transmission fluid so I put both. All of a sudden I turn the car to start makes a ...
4
votes
1answer
57 views

Does it save wear on AWD drivetrain to shift to Neutral before going into Park or Reverse?

I have an old Subaru with All Wheel Drive. I can feel in some circumstances the larger and more complex drivetrain "winding and unwinding" all those differentials and CV joints. It feels unpleasant, ...
2
votes
0answers
49 views

I sold my 2009 Jetta TDI (at a loss), am a still entitled to compensation? [closed]

I was holding out selling my TDI to wait for Volkswagen to announce the buyback. However, I apparently bought a lemon as the car was a moneysink. This is a non-comprehensive list of things that went ...
9
votes
3answers
369 views

Direct Injection Injectors - How do they prevent blow back into the fuel system?

So I imagine a direct injection injector as a fuel injector squirting fuel directly into the combustion chamber. The amount of pressure in the combustion chamber would seem to be enough to push the ...
0
votes
0answers
38 views

Advice about changing various BMW diesel engines? [closed]

I have a BMW 320d Can I change out my engine into a stronger but similar Unit? I would like to consider the 325d or 330d power plants. Would those engines fit in my vehicle? Would my electrical ...
6
votes
2answers
72 views

Does starting and stopping the engine lots over a short period of time in a non start-stop car damage anything? [duplicate]

In my 2003 Opel Agila 1.2, I try to save fuel and stop the engine manually (by turning the key) when in traffic or waiting at traffic lights etc. Sometimes when in traffic I can stop and start my ...
3
votes
1answer
22 views

Temperature gauge between half and 3 quarters?

I have a '98 Oldsmobile Intrigue and after about 20 minutes of driving the temperature gauge is between one half and 3 quarters. I was wondering if is this a problem? The coolant is at the right ...
3
votes
2answers
38 views

mercury milan key stuck in ignition, shifter will not come out of park

2007 Mercury Milan At first the key was stuck in the ignition. Now it wont shift out of park. Are these 2 issues related? Will installing a new shifter kit fix both issues?
9
votes
1answer
68 views

Who came up with “suck, squeeze, bang, blow”?

A popular explanation of how a four stroke engine works is Suck, squeeze, bang, blow. The engine sucks in a mixture of fuel and air, then squeezes it together (compresses it), then it burns / ...
6
votes
2answers
55 views

How to fix P2195, P1172, P1174 and P2197 error code for Honda Accord LX 2004?

Make: Honda Model: Accord LX Year: 2004 Error codes: P2195, P1172, P1174 and P219 Mile: The vehicle was driving for over 6 months Symptom: there was a missing fuse for the A/F ratio sensor ...
6
votes
2answers
127 views

Is there a way to section a frame without fish plating?

When building a frame is there a way to join the sections together without having to fish plate?
0
votes
0answers
17 views

Electronic Power Steering Conversion Kit for Box Trucks?

Are there any electric power steering conversion kits that will work for larger vehicles such as box trucks? Do larger vehicles need larger electric motors to help steer?
7
votes
1answer
46 views

What is the effect of changing rim diameter while keeping wheel width constant?

Which advantages or disadvantages would I obtain by changing the rim size while keeping the overall diameter of the wheel and the thread width constant? For example, in ...
9
votes
3answers
270 views

Does Tig welding a frame add more strength where fish plating isn't required?

Usually when someone builds a custom frame they are typically Mig welded and fish plated but if a frame is Tig welded does that generate better penetration when welding pieces together so you don't ...
8
votes
2answers
40 views

Wheel rim chrome repair

I recently bought a used vehicle which has some aftermarket rims on it. For whatever reason the previous owner failed to take good care of them and there are areas of them (some are 2 or 3 inches) ...
4
votes
0answers
35 views

Mazda CX7 metallic pulsating sound when driving below 20 MPH

I have this issue with my CX7, when I drive at a regular speed, the car performs very well. Now when I release the gas pedal and brake the car makes no sound until it goes below 20 MPH, then I can ...
13
votes
1answer
715 views

What is fish plating a frame?

When building a frame I've heard people refer to adding a fish plate. What does fish plating a frame do and what exactly is it?
11
votes
3answers
404 views

Software solutions to lighter flywheel issues

This great question discusses the disadvantages of a lighter flywheel: More twitchy to drive Shorter window of opportunity to complete gear changes Possible stalling at low RPM It seems to me that ...
10
votes
3answers
1k views

Can't get into trunk of 2000 mercury marquis

Anyone have any ideas to get into a locked, jammed trunk of a 2000 mercury marquis? They key, the remote, and the button on the door all do not work, although a clicking sound is produced. You can't ...
6
votes
1answer
17 views

Mercedes E-350, 2006 sedan ignition problem

I own a Mercedes e-350 2006 sedan whose ignition box was vandalized and taken away by vandals. I could not start this car since then and I thought of buying a used ignition box to use on the car with ...
3
votes
0answers
28 views

2003 Ford Focus 5 speed Stuck in Reverse [closed]

The shift lever is stuck in reverse and will not come out. I took out the shift tower to check the cable, and nothing appears to be missing or stuck. What could be causing this problem?
11
votes
4answers
2k views

Does putting an automatic car into neutral at stop lights significantly harm the transmission?

I drive a 2013 Mazda 3, in case that makes any difference to the answer. There seems to be a few discussions on the web which indicate that putting an automatic car into neutral does not ...
6
votes
1answer
33 views

As all metric threads appear to have the same angle, is a metric thread file universal?

I'm doing the top mounts on a 1997 Mk3 Golf 1.6 GLI (101HP) at the moment. The car is equipped with Koni sport suspension and is using Mk2 spring caps. I'm replacing the Mk3 top mounts with Mk2 ...
4
votes
1answer
28 views

Mercedes c240 4matic: permanent AWD?

I plan to buy a car (a Mercedes c240 4matic from 2003) with AWD. I heard, all-wheel drive is really good in winter, and maybe on the mountains. But in sommer it's only a waste of gas. The engine has ...
1
vote
1answer
28 views

Car interior rattles on idle

My carb Citroën BX interior rattles on idle. This mostly happens before the engine warms up, as soon as I apply the smallest amount of throttle this disappears, which leads me to apply throttle when ...
6
votes
2answers
60 views

Motorcycle Starting Motor does not crank, WHY?

Eureka! After replacing the starter relay purchased on eBay with the original Honda one the engine starts and runs perfectly! ''''''2''''' UPDATE: installed a new fully charged battery = still no ...
3
votes
0answers
14 views

2000 Mercury Sable instrument cluster and headlights do not turn off

My 2000 Mercury Sable Premium LS (3.0L 24V Duratec V6) has an electrical issue: When I remove the key from the ignition, the instrument cluster and headlights do not run off. I can reach in at any ...
0
votes
0answers
17 views

Jeep Cherokee A/C Trans?

The A/C wouldn't blow cold even after freon put in. The condenser and fan replaced but it keeps blowing fuses and still no A/C. Now when I check there are bubbles in transmission fluid now. What is ...
8
votes
1answer
40 views

2006 VW Jetta TDI EGR cleanup

I am going to cleanup the EGR pipe in my VW Jetta TDI. Are there any special considerations on how to remove the carbon which might be blocking the flow?
5
votes
1answer
54 views

WOT uphill, no increase in RPM, consuming more gas?

I own a city car Chevrolet Spark 2016. When going up a steep hill say in 4th gear, having the throttle down at 60% or WOT is practically the same. There's a minimal increase in RPM and power. Will the ...
0
votes
0answers
20 views

Why does my 2000 Honda civic always leak heat [duplicate]

Even when my fan is off, hot air is always being blown out on me. Does anyone know why this is happening? It doesn't seem like the car is overheating, because the gauge looks fine.
2
votes
0answers
36 views

Manual vs Automatic Transmission Performance [duplicate]

I used to drive a Suzuki Khyber, 1989 model. It has a 1.0L 5 speed manual transmission. Recently I have shifted to Toyota Passo+Hana, 2008 model. It is 1.0L 4 speed automatic CVT transmission. Now ...
12
votes
2answers
1k views

4x4 for sports cars (street use)

As some of you may know from this question i am currently rebuilding my car. The plan is to rebuild it from scratch. An important part is the engine. At the moment there is a 1.4l 8V petrol engine ...
3
votes
1answer
32 views

how much coolant required in chevrolet spark

Which coolant I can use in my Chevrolet spark and how much coolant and water required
5
votes
0answers
27 views

VW Jetta GLI making intermittent grinding noise on launch

I just saw a 2007 GLI with 120,000 kms that I was interested in purchasing today. There were 3 issues that I need help with: Upon launching the car (gas pedal floored) I could hear some kind of ...
5
votes
2answers
27 views

Radiator Water Issue

The water in my radiator keeps depleting I've checked for leaks but I can't seem to find any. Every morning when I check the radiator I have to fill it up for about a litre. Yesterday I didn't use ...
5
votes
3answers
62 views

Modding Honda Ridgeline cigarette lighter to power USB ports

I am doing a project in my '06 Ridgeline where I am taking out the iPod / Aux add-on and putting in a Bluetooth / Aux add-on at the back of the radio. In the process I will be removing the left ...
8
votes
2answers
374 views

Why do combustion chamber combustion gasses turn the engine when it only burns?

I asked this because if I have a small portion of fossil fuel and light it, the fuel will only burn. But inside a combustion chamber of a vehicle this same combustion will propel the piston downward ...
6
votes
1answer
22 views

john deere sx75

My SX75 was moving when it stopped. It does not move forward or backwards. The clutch pedal feels fine. If i put it in gear with the tractor off it cannot be pushed forward or backwards (trans ...
9
votes
1answer
54 views

How is AFR calculated from ODBII readings

In another post (A most intriguing cold-start misfire mystery) I found this quote: Mass air flow = 3.66 g/s Fuel flow = 1.27 l/h, Fuel rail pressure = 380 kPa This indicates to me that AFR ...
8
votes
2answers
116 views

BSFC (Brake Specific Fuel Consumption) - How is this a beneficial measurement?

Brake Specific Fuel Consumption or BSFC Measuring various attributes of an ICE (Internal Combustion Engine) and how it performs certainly gives a greater understanding of how a particular ICE ...
9
votes
2answers
101 views
+50

Horsepower at wheels calculation

I have used Torque Pro App for sometime in my Hyundai i10 Era (2011 model) and it gives me Horsepower at wheels. But the values seems to be much less. To find out the problem, I logged the car OBD ...
3
votes
0answers
30 views

2010 mini cooper transmission noise and gear shift at RPM higher than normal

I'm hearing rattling noise when the transmission is engaged (drive) and it get's louder at higher rpm. previously I did not hear this. There is no noise when I rev engine in park mode. The gear in ...
6
votes
3answers
175 views

Optimal acceleration for automatic transmission? [closed]

In a car with automatic transmission, what's the best way to accelerate so as to minimize fuel consumption? Assume I'm not going to change the gears manually. Note that I'm also considering non-flat ...
6
votes
1answer
32 views

Should a suspension air bag be changed after so many miles?

I've referenced several manufacture sites (such as Firestone & Slam Specialties) to find any verbiage on their site's but I was unable to find if air bags for a hot rod should be changed after so ...

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