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  • 11 votes cast
Mar
10
awarded  Revival
Mar
9
comment What's the point of the D3 gear in an automatic transmission?
@SeanReifschneider in my automatic car according to the real time fuel consumption on the dashboard, it is almost infinitely better to downshift. i drive down hill will use some fuel (about one quarter as much as cruising on flat), while 3rd gear uses zero fuel. I often drive downhill for 45 minutes, and I've had my brakes overheat — once I boiled the fluid and my brakes failed. Ever since then I downshift.
Mar
9
comment Broken Socket Wrench: My Fault or Poor Quality
I wouldn't trust the torque specs. I made that mistake once, and snapped the bolt while tightening it. When I took it to the official Honda dealer in my city they said "Yeah, happens all the time on your engine. We don't tighten them to spec." Now I just use my personal judgement and go just tight enough I think it won't fall out. Modern engines should detect low oil pressure and warn you immidiately before there's any damage if it falls out.
Mar
9
comment Broken Socket Wrench: My Fault or Poor Quality
This. I've had great luck tapping things (I once bent a two metre steel pole extender on a bolt, then asked for help and they used a half foot long spanner and a hammer to loosen it in seconds), but if you tap a ratchet you're asking for trouble.
Feb
11
comment Which tire pressure is right for my 2008 Toyota Yaris's front tires?
@Paulster2 or if you drive off road, which I do. Or if you live somewhere with a lot of snow in winter, which I don't but others do. Or if you load a lot of cargo into the back of your car/truck occasionally.
Feb
9
comment Which tire pressure is right for my 2008 Toyota Yaris's front tires?
To be clear, I don't disagree with you at all. I agree 100%. I'm just a lot more anal about tyre pressures than the manufacturer could possibly be and don't like their "one pressure for all possible situations" approach.
Feb
9
comment Which tire pressure is right for my 2008 Toyota Yaris's front tires?
As for how you know the optimal pressure, by braking hard until the wheel skids (or ABS activates), then change the pressure and do it again. Personally I do tests like that in various road conditions whenever I change the type of tyre I'm running.
Feb
9
comment Which tire pressure is right for my 2008 Toyota Yaris's front tires?
@Paulster2 yes I am the sort of person who does use a computer to figure out ideal tyre pressures (mclarenelectronics.com/Products/Product/ATLAS) and yes I do get out and adjust my pressure when one of the parameters changes. It's not necessary of course, but I do it - mostly because it's fun. shrug
Feb
9
comment '03 civic makes loud wobbly sound in engine when average going 40mph @ 2000rpm
Does it only happen with the gearbox in Drive? What if you shift into Neutral or D3 or 2?
Feb
9
comment Car just started blowing cold air
I had a similar problem with my Ford, and was told it was just the ECU detecting a fault and choosing to shut off the system. I was told there are many things that can trigger the ECU doing that and the price quoted to investigate was more than I was willing to pay, so I just ignored it. It was an old car and I gave it to the wreckers soon after.
Feb
9
awarded  Commentator
Feb
9
comment Which tire pressure is right for my 2008 Toyota Yaris's front tires?
@Paulster2 if you are going to just set your tyres to whatever the manufacturer recommends, then yes you should set them while cold because that's what the book says. But it is the pressure while warm that actually matters and you should be using that if you want optimum performance. The manufacturer's recommended pressure is never the best pressure, because they don't know what temperatures you're driving in, how fast you're going, how much weight you have loaded into the back, what the road surface is or what tyres you have fitted to the car.
Feb
8
comment Car with floor-integrated battery pack
Tesla hasn't patented floor mounted batteries — that would be too broad and any competent lawyer would get the patent tossed out (auto manufacturers have good lawyers). All they hold a patent for is their "improved integration system" on top of the basic concept. The patent mostly only covers Tesla's specific technique of creating noise and thermal isolation between the cabin and the road.
Feb
8
comment Driving electric cars through large pools of water
Wikipedia says this: "For notebooks or laptops, lithium-ion cells are supplied as part of a battery pack with temperature sensors, voltage converter/regulator circuit, voltage tap, battery charge state monitor and the main connector. These components monitor the state of charge and current in and out of each cell, capacities of each individual cell (drastic change can lead to reverse polarities which is dangerous),[40] temperature of each cell and minimize the risk of short circuits.[41]"
Feb
8
comment Driving electric cars through large pools of water
@Paulster2 I don't have a link sorry, it's just something I've learned over the years with regard to battery technology. Large lithium batteries are made up of thousands of cells and often the electronics to handle charging and discharging are more expensive than the battery itself. Improper charging or discharging of any lithium battery will either damage the battery or cause an extremely dangerous fire. Electronics inside the battery pack are monitoring and controlling everything that goes on.
Feb
7
comment Driving electric cars through large pools of water
@Paulster2 the +/- terminals on a good quality lithium battery are protected by electronics inside the battery - the terminals will be disconnected internally if the battery gets hot (which it will, if water short circuits them). Even small laptop batteries are supposed to have this feature, huge EV batteries would surely also have it.
Feb
7
answered Driving electric cars through large pools of water
Feb
7
answered Alternator, Battery, or Fluke?
Feb
7
comment Ticking noise when accelerating
I'm not an expert, but it sounds like your valve clearance needs to be adjusted, and do it ASAP it's doing damage the longer you leave it like this. It should not be expensive to get a mechanic to adjust it for you, or you could do it yourself but you'll need to buy some tools and find a reliable source for the correct valve clearance for your engine. Basically valves are supposed to almost touch as the engine operates, they tick if they actually touch. It doesn't do it while cold because cold metal is slightly smaller and the valves are close enough to touching for that to make a difference
Feb
5
awarded  Yearling