goatee Posted August 3, 2013 Report Share Posted August 3, 2013 Started having a problem with my 11 Edge Ltd AWD with 33k miles. I have had no braking problems at all. Now, when I go to start on the brake to start the engine, the pedal is noticeably stiff. I have to apply way more than just a touch disengage the engine/brake interlock. Before this started happening, all I had to do was tap the brake pedal and hit the start button. Now I have to press down forceably on the brake pedal. I don't really notice any issues after the engine starts but am worried it is a bigger issue. The warranty is close to expiring. Anyone with similar issues? Would appreciate any information. Quote Link to comment Share on other sites More sharing options...
normcloutier Posted August 3, 2013 Report Share Posted August 3, 2013 I just had the exact same thing start happening on my 13 SEL. Normally when I go to start the engine, a slight press on the brake pedal moves it down an inch or so and the vehicle starts. At least half a dozen times in the last month when I go to start the vehicle, pressing on the brake pedal is like stepping on a brick. Doesn't move at all. Vehicle still starts but concerning just the same. 1 Quote Link to comment Share on other sites More sharing options...
WWWPerfA_ZN0W Posted August 3, 2013 Report Share Posted August 3, 2013 Brake booster going bad, vacuum loss to the brake booster, or brake fluid is leaking out somewhere. Quote Link to comment Share on other sites More sharing options...
normcloutier Posted August 3, 2013 Report Share Posted August 3, 2013 My issue is only upon starting. Once the engine is running, brakes are fine. Quote Link to comment Share on other sites More sharing options...
teknowiz Posted August 3, 2013 Report Share Posted August 3, 2013 I have the exact same issue as well on my 2011 MKX. Dealership insists this is normal. 1 Quote Link to comment Share on other sites More sharing options...
goatee Posted August 3, 2013 Author Report Share Posted August 3, 2013 normcloutier - this is exactly what is happening to me. My concern is that the feel of the brake pedal changed so much in one day. I will get it in to the dealer this week. Very concerning until I find out otherwise. Quote Link to comment Share on other sites More sharing options...
Polecatt Posted August 14, 2013 Report Share Posted August 14, 2013 (edited) I just had the dealership fix this issue on my 2012 edge. It was the brake booster. Replaced under warranty. Not safe to drive and it will likely keep getting worse until you have it fixed. I noticed that it was worst at low speeds either breaking while in reverse or in slow stop and go traffic Edited August 14, 2013 by Polecatt Quote Link to comment Share on other sites More sharing options...
goatee Posted November 18, 2013 Author Report Share Posted November 18, 2013 I reported this problem with 33k miles on my 11 Ltd. The problem waxed and waned. I never reported it to the dealer because it seemed to resolve itself. Now, several months later, the problem is back and I had no problem replicating it to the dealer. Took it in today and the dealer said it was the brake booster and ordered a new one. I do have the extended warranty but will cost me $100 deductible. Lesson learned (again). Quote Link to comment Share on other sites More sharing options...
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