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Hybrid Vehicles Ford Escape Hybrid Ford Escape Hybrid Maintenance & Repair Ford Escape Hybrid Brake Problems
131 messages, Last post on Nov 10, 2009 at 11:36 AM
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Replying to: atreehugger (Sep 20, 2007 3:06 am) |
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This morning,after travelling about 300 feet from start-up,in my 2006 Escape Hybrid,I heard a beep, then the brake light goes on and stays on until I get to my destination, another 3 miles travelled to work. The vehicle has about 8,900 miles driven. It's the same "beep" sound I hear when I engage the emergency brake. I tried this, thinking the emergency brake was still on - not disengaged. The light stayed on. A week ago, this "similar" problem happened - this time, right when I started the vehicle until I shut it off, 3-4 miles away. I went to the dealership that Saturday. They told me that the computer said I had a "grounding" problem. Has this problem happened with anyone else; Yes - what was the corrective action taken by the dealership. I'm not sure the problem has to do with the Emergency Brake; I'ld like to pinpoint the problem before servicing. What's funny is the problem doesn't always happen when I've driven the Hybrid - it's intermittent.
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Replying to: jurdean (Oct 25, 2007 8:23 am) |
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I bought my 2008 Escape Hybrid two days ago, on 11/16/07. I had driven it 30 miles when my wife and I went to Charles Town, WV, about 35 miles from home. When we tried to start the car to come home, the engine would not start. There was a warning message that said "Regen Brake Disabled". I called the Ford 24/7 road service, but they could not find me in the computer. I was able to convince them that I needed a tow, and when they could not find a tow company in Charles Town, the permitted me to do so and they would reimburse me. Now I am waiting for the dealer to come to my house to get the car. Any ideas what happened? I love driving the Escape (all 70 miles so far) but I am worried about this.
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I have a 2008 FEH with 900 miles and 30 days old. One of the first things I noticed while driving is the fact that FEH's have poor performing brakes even when they are working as they are supposed to. They just don't bring the vehicle to a stop in the same amount of distance that other vehicles I drive on a regular basis do. (One of those vehicles is a 2004 F150 V-8 Lariat which has excellent solid stopping ability) The 2 other vehicles I drive on a regular basis all have very good stopping ability and have disc brakes on all 4 wheels. My experience with disc brakes (including the F150) has been that they tend to dirty your wheels immediately with black brake dust that must be cleaned often to prevent buildup on the wheels. This of course is just an appearance issue and has nothing to do with performance, but I have also noticed that although the FEH has 4 wheel disc brakes it DOES NOT produce the brake dust probem, and that's great for keeping the wheels clean, BUT could it be that the FEH poor stopping performance (as pointed out in several car magazine tests) is due to the type of disc pads that Ford is using? Could it be that the disc pads are extremely hard (thus producing very little brake dust) compared to others, and as a result the stopping ability is affected? (Seems to me the harder the disc pad the less wear and production of brake dust, but the harder disc pad won't have the stopping ability as that of a softer one) (sort of the same with tires-----the better stopping performance tires that have soft tread, wear out a lot faster but help in better road hugging performance as compared to conventional ones) Could it be that the hard type disc pads being used are required due to having something to do with the needs of the recharging system? My point here is that in my opinion on a scale of 1-10 (where 10 is best) the FEH stopping ability would score about a 4 compared to other vehicles, and I suspect this low score may have something to do with the hardness of the factory equipped disc brake pads.
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Most likely our Escapes come with ceramic brake pads which last much longer and have low dusting. Our brakes deffinetly feel differently than a normal car because the first portion of the brake pedal travel activates the regenerative braking which is using engine braking to slow the vehicle. If you apply more pressure than the actual hydralic brakes will start to kick in. I have not tried this yet but if you just crammed on the brakes you should see that the brakes work pretty well due to the fact that we have 4 wheel ABS. I will admit though that the brakes do feel spongy, you should get used to the feel though after a while. |
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Replying to: rnarg (Nov 20, 2007 10:23 pm) In action, this is very different than the traditional brake pedal that directly engages a hydraulic master cylinder. Ford engineers have worked rather hard to make the system act, feel, and perform like a traditional braking system - but observant folks will notice the differences (can you hear the hydraulic pump pressurize the system every time you unlock the doors with the key fob?). I am not surprised that performance would suffer. Once a driver understands the differences they may be able to adjust their braking to improve overall stopping performance. [While coasting in "N" the regenerative system is off so if you hit the brake pedal you will engage only the foundation (hydraulic) brakes. Likewise, regenerative braking in the m/g is heavier in "L" than in "D", etc., etc.] Be safe. I don't think what you are sensing is due to some slight difference in friction at the disc pads. In your particular case I would recommend you be more aggressive with pushing the brake pedal (and driving in "L") - to get a better sense of stopping ability. 
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Thanks for the good explanations.---- There really does seem to be much more sophistication in many of the mechanical systems of the Hybrid compared to non-hybrid vehicles. Hopefully, as time goes on, I will become more aware of these areas so that I can at least identify them and begin to understand the reason they are different from the conventional systems. I hope the engineering efforts and complexity added to these systems turn out to be worth it in the long run.
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Replying to: rnarg (Nov 25, 2007 6:18 pm) that I can at least identify them and begin to understand the reason they are different from the conventional systems"[marg]. That is really the best attitude to have. Again, the Ford engineers have worked hard to make the vehicle act like a "non-hybrid" in many ways. "I hope the engineering efforts and complexity added to these systems turn out to be worth it in the long run."[marg]. An excellent question and one we are all wondering about.
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Replying to: johnsapienza (Nov 18, 2007 8:39 am) Has your situation been resolved??? |
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