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Michbrue

2013 surges forward at times but Ford service can't figure out what is wrong

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Hello I'm new to this forum and have a 2013 fusion hybrid. I have had the steering rack replaced twice in 4 years and have problems again. The car periodically surges forward when I drive but can't be duplicated by service guys. Anyone had a similar problem?

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There's a sensation of surging forward that can occur when the front wheels lose contact with the road momentarily. I've had this occur on occasion when braking (even lightly) while passing over a slight dip/pothole/manhole cover. It can be unnerving, but I've found it to be harmless. I've always just maintained pressure on the brakes and it's never been a problem. Could this be what you are experiencing?

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It feels like it is surging forward but it is not. It is an instantaneous loss of regen braking because one front wheel has lost contact with the ground. I can demonstrate it at will by driving over a low manhole cover while using regen braking only. It happens because of the way a differential works. The solution is to press harder on the brake pedal to engage the friction brakes.

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