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About Waldo

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  1. Waldo

    AWD to FWD Conversion

    If you just pull the electrical connector off the RDU (rear diff), the AWD system will fault to off. You'll get a wrench light, but the clutches between the front and rear axle will remain permanently open and everything will just be free spinning. That would take the load off the PTU, but it won't fix the leaks. I haven't heard of any issues of seals leaking on the newer PTUs, I think that issue has been fixed.
  2. Ethanol has a very high evaporation temperature, so it doesn't like cold starts. That's one of the main reasons most vehicles are not E85 compatible. Another reason is because the ethanol can "eat" rubber and other components in the fuel system over time. My advice would be to just keep filling up the gas tank with some good premium non-ethanol fuel every day or two until you've put about 15 gallons in. That will dilute it down until eventually you're back to normal. Just take it super easy driving on cold starts and try to stay out of the boost at all times. I think one tank won't be enough to do any permanent damage, but that's just my opinion, no guarantees.
  3. As mentioned a few pages back, the amount of engine braking you get from an engine is directly related to its displacement. A 2L engine has to rev at 3000rpm to get the same amount of compression braking as a 3L engine at 2000rpm. Nothing in the calibration or transmission can change that basic law of physics.
  4. Please forgive me for once again pointing out that the only mention of brakes overheating is in the adaptive cruise control system section. If you are not using adaptive cruise control, the brakes will not overheat. The adaptive cruise uses an algorithm to consider how much brake pressure is applied over a certain amount of time. Once it gets to a certain threshold, it will shut off the adaptive cruise control system. That is what the warning in the owner's guide is for, so that you know why the system has shut off. As i mentioned before, it's accounting not only for the brake rotors and pads, but also for the solenoids that apply the pressure. Since Ford engineers are not quite as incompetent as you think they are, they set these thresholds on the conservative side so that the warnings come on before the brakes have actually overheated to the point where it becomes a safety issue.
  5. Waldo

    Anyone use Automatic Emergency Braking?

    That wasn't Automatic Emergency Braking, that was just regular adaptive cruise control. The alert that you got was just to tell you that you should take control of the brakes. My 2010 MKT does the same thing, and it does not have AEB. AEB is very sudden and very last minute. If you're wife didn't crash, then it wasn't needed and shouldn't have come on. Basically what a human perceives as a "close call" is just a "meh" to the computers. When you really need it, it will be there.
  6. Waldo

    Mustang SUV

    Why would they want to slow it down by putting a Coyote in it?
  7. Waldo

    rear drive front on demand

    I don't even know where you would start with this kind of idea. You'd have to come up with an entirely new clutch system to disconnect the front axle. And then the rear axle is only sized for max 50% of the engine torque, so you'd basically have to shut down half of the cylinders in the engine. I don't see how that would be much fun.
  8. Are Ford's maps more out-of-date than other vehicles? How out-of-date do you think it needs to be in order to be concerned? 1-month, 6 months, 1 year? There are probably vehicles out there that have tires that are older than the maps, should Ford advise customers about that as well? What about vehicles that have sat on a lot for 6 months? Should Ford advise owner's to change the oil right away? What about changes that have been made in production between the time a vehicle is built and when it is sold. Should Ford advise customer's about those changes? My point is there are 100s of things Ford "knows" about a vehicle that might cause you concern. Do you really expect to be told about all of them? It's not like an out-of-date map renders the system useless. I'm sure that more than 99% of the map is still useful and you can rely on it. I still have 2011 maps in one of my cars and I still use it regularly.
  9. Waldo

    Suspension parts interchangeability.

    Fit, yes, but work good? That's a different question. Springs and dampers are tuned to the specific mass of a car. Assuming that a Sport is a little heavier, especially on the front axle, it means you're SE is going to sit higher and ride harder in the front than a normal Sport would.
  10. I wouldn't call it a "solution" either. It's merely a reduction in risk. I'm sure it's not a 100% reduction in risk, therefore it's not a "solution". Without data, we really don't know if that means it goes from a 95% chance of failure to 5%, 95% to 85% or a 5% chance to 4%.
  11. For several decades, people who used cruise control would understand that the car would go faster down hill then their set speed, so they learned they had to use the brakes, then hit resume at the bottom of the hill. Then manufacturers started adding engine controls that downshifted the engine while using the cruise. Some people (like you and me) quite liked that, but most people (the vast majority of people who don't know to downshift going down hills anyway) didn't understand what was going on and thought the loud noises coming from the engine meant that it was broken or about to explode. They then complained to the manufacturers and thus the manufacturers are changing things again in response to the complaints. Let's not mix what your expectations are versus the majority of the population. Car people - the ones who tend to seek out forums - don't really understand how much in the minority their opinions and knowledge about cars really are. If you took a survey on this forum, you'd probably find 75% of the responses would say downshifting on hills is important. If you asked 100 people in the Walmart parking lot, you'd probably find 90 of them don't even know what downshifting is.
  12. You're still missing my point. This is in the ADAPTIVE CRUISE section. It is not in the BRAKES section or the TRANSMISSION section, because when your vehicle is going down a hill with Adaptive Cruise on, it is using the brakes DIFFERENTLY than when you are driving manually. The brake overheating it's referring to will result in a loss of Adaptive Cruise control, not a loss of braking as you are thinking of it. As I mentioned in my example above, I had the Adaptive Cruise control disengage on me in a similar situation even though the actual brakes were stone-cold and I was going 3mph. In other words, if you don't use Adaptive Cruise, your brake system won't overheat.
  13. Then why wouldn't Ford put something in the Owner's manual in the BRAKES or TRANSMISSION section? As I stated above, Adaptive Cruise uses the brakes differently then when you are driving using the brake pedal. It relies on the brakes operating in the linear range of friction and is designed to shut down well before there is a SAFETY issue. Please don't start calling out "FAKE NEWS" about systems of which you do not understand. The Owner's manual does not say anywhere in it that the brakes will overheat when driving in mountainous terrain while driving normally. Trying to extract one statement and apply it to other scenarios is how FAKE NEWS is created. The Edge meets all FMVSS requirements for both brake and transmission systems, so if you have a problem with this, you need to challenge their requirements, not complain about Ford.
  14. First of all, the Adaptive Cruise section in the owner's manual is written by the Adaptive Cruise team, it's likely not even reviewed by the brakes team or the transmission team. It's a generic block of text that's used in all Ford/Lincoln vehicles. Secondly, driving with the Adaptive Cruise is different than driving without it. The "brakes" overheating isn't the actual rotors and pads, it's the servos in the HCU that overheat from duty cycles. The servos that are not used when you are activating the pedal with your foot. One time I was driving a new Expedition across the border into Canada. It was a long line, but I was able to use the adaptive cruise to keep it inching along. After about 15 minutes, the Cruise quit because the servos had overheated, even though I hadn't been driving more than about 3mph the entire time. Thirdly, the non-Adaptive Cruise recommendation to downshift is simply because if you used the brakes, you would cancel the cruise control. The cruise control system has no other method of slowing the vehicle down (too many people complained when Ford used to allow the cruise to downshift on hills, so that feature was removed). Has nothing to do with safety or brake overheating. So while I can sympathize with the missing grade assist controls, it is at most an inconvenience, it is not a SAFETY issue. The brakes in the Edge are sized sufficiently that they won't overheat if you drive properly in mountainous conditions.