1,932 reputation
613
bio website tummy.com/journals/users/jafo
location Fort Collins, CO
age 44
visits member for 3 years, 4 months
seen Mar 21 at 22:10

Linux system administrator specializing in Linux in the data center.


May
29
comment What's the point of the D3 gear in an automatic transmission?
@theUg: This is interesting conjecture, but I still stand by my statement that there will be little if any change. If it completely shuts down the fuel supply, that's likely not much of a difference from the very, very little amount injected if it doesn't. Certainly in my car, it says "MPG is off the charts high" in a higher gear coasting downhill.
Oct
17
comment Remote autostart suggestion
Sure, but it also means that someone with $1 for a key blank and a little time with a file can make a sawtooth key that will open and start your car. Mechanical keys are NOT secure, which is why the industry has been going with immobilizers. Even Medco high-security locks aren't secure because of the mechanics, they're secure largely because the patents on the mechanical tweaks means that they control it so you can't buy blanks (or so says a co-worker who used to be a locksmith).
Oct
13
comment Audi 06 - Replace Thermostat
What exact car is this? I've done some searches for replacement procedures and it doesn't sound too hard, but they are on earlier than 2006. For example, my 2005 S4, with a 4.2L V8 shoe-horned into the same engine bay that normally has a 2.0L engine would probably be much harder, likely requiring removal of the front-end (most work on it does :-).
Oct
13
comment Remote autostart suggestion
Note that many "high E" windows in buildings will do a very effective job of blocking RF. I've noticed that some buildings I can't unlock my car through the windows, even if it's right outside.
Sep
23
comment What are the tradeoffs for positive vs. negative ground?
Static electricity such as lightning, at tens of thousands of volts, is likely not a relevant example for what happens in dynamic electricity at the low tens of volts. Though I can't explain why fully. I imagine it has to do with the potential, the positive side of a battery doesn't have high potential relative to earth ground, it has high potential relative to the negative terminal of that same battery. An example of this is that you can't take two batteries and ONLY connect, say, a light bulb to the positive terminal of one and the negative of the other and have it work.
Sep
23
comment How Do I Remove My Socket Wrench Between the Idler Pulley and Wheel Well
@Bob: Wow, must have been something to break through your safety glasses and blacken your eye. :-D
Sep
23
comment How Do I Remove My Socket Wrench Between the Idler Pulley and Wheel Well
Seems like a pipe wrench on the socket would likely work, they are like a crescent wrench but have teeth in the jaws that will grip a pipe when turned one way, and spin free when going the other. Kind of like a socket, but it works by the jaws gripping the round pipe when it spins one direction. It'll likely chew up your socket a fair bit though.
Sep
23
comment How can I be sure my vehicle is a 4x4 / AWD?
Note that this won't work for all AWD systems. For example, a torsen requires there to be SOME friction on both of it's output shafts for it to work, and all 4 wheels may not spin if the front and rear differentials aren't locking differentials...
Sep
23
comment Best brand of premium gas?
I had a co-worker who used to do chemistry in the petroleum industry, and he was adamant that all the brands came "out of the same tank at the refinery". I said that I had heard (from the Chevron marketing) that they included different additives, but he would just shake his head and say they were all the same.
Sep
4
comment difference between mechanical and hydraulic clutches
The nice thing about hydraulics is that they automatically adjust, rather than a cable which you have to adjust as the clutch wears.
Sep
4
comment difference between mechanical and hydraulic clutches
I can't speak with authority on the performance, but in my experience the performance in terms of delays is similar to a cabled clutch. It uses the same technology as your brakes, so any lags would be similar to what you see when you apply your brakes. I'd guess that if there were any lags, it might be caused by air in the lines, which shouldn't normally be a problem.
Aug
30
comment difference between mechanical and hydraulic clutches
I'm assuming that you mean mechanical and hydraulic clutch actuation. If you mean "wet versus dry" clutches, or a torque converter (as used in automatic transmissions) and a "dry" disc clutch (as used on manual transmissions), please update your question.
Jun
15
comment Is it worth switching to full synthetic or blend oil in my older car/truck?
@qas: I've heard that as well.
Jun
11
comment Will different tread depths hurt my 4 wheel drive?
@qes: I believe that's what I said.
Jun
4
comment Easy way to temporarily disable Check Engine light?
@Doresoom ... and the radio security codes and everything else. :-) Make sure you have that radio code handy...
Jun
4
comment Should only the left “Rear Fog Light” actually light up in a pair?
Both of my Audis have only the left rear fog active from the factory. This is a common request though and apparently they make a kit to install the second one. As others have mentioned, this is apparently to prevent them from being mistaken as brake lights. I believe on RHD cars it is the right one that is active.
Jun
4
comment How do I find wiper refills for my 2008 Nissan Frontier?
FYI: The upper one is the Neo Form. My Audis take one like the bottom one and I've always been happy with the performance, but they do sometimes chatter in light rain.
Jun
1
comment Will different tread depths hurt my 4 wheel drive?
The primary case I'm worried about is that Ford HQ says it's an issue, whether it really is or not, and invalidates the warranty because of it or something crazy like that. You know, one of those sneaky lawyer tricks. :-)
Jun
1
comment Oil pressure question
I've also seen this happen with Mobile 1 synthetic oil in a newly rebuilt Volkswagen Vanagon (water cooled) engine. Switching to a traditional oil solved it. I suspect what you are listing is much more likely, but wanted to throw it out there.
May
31
comment Buying new tires R15, R16, R17?
As alluded to with the "Detroit" comment, particularly low-profile tires like 35 series can easily be damaged by holes in the road. Replacing your own tires is unlikely to be something you can do on your own unless you own specialized mounting and balancing equipment and a high volume air compressor. Though I have heard of people who have done it themselves, my local shop charges $20 or $40 to do it and I can't imagine it being worth it to do at home, particularly without the equipment.