Brake Problem - Help?
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Brake Problem - Help?
I have had a strange brake problem on my 2004 Expedition for some time now. Previously I decided to change the master cylinder, but it happened again. Here is what happens - when the brake pedal is pushed very rapidly - it goes to the floor and then is very hyper sensitive. It brakes really hard with very little pedal. Then seconds later it is normal and functions properly. I checked the master cylinder and the brake fluid was a little low, but the symptom was the same as that prior to the master cylinder change. Again, only with very rapid pedal movement. No evidence of leakage on the concrete .....
Any ideas on where to look next?
Any ideas on where to look next?
Laughing Gas
Joined: Jan 2003
Posts: 1,082
Likes: 40
From: Melbourne, FL
http://media.ford.com/press_kits_det...ection_id=2873
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Thanks for that, but I can tell you - it doesn't help. Something has to be wrong with this feature on my Expedition. When it happens, the braking becomes so sensitive it is almost uncontrollable. It is very soft and very little pedal movement almost locks up the brakes. Basically, you cannot control the brakes.
Laughing Gas
Joined: Jan 2003
Posts: 1,082
Likes: 40
From: Melbourne, FL
While I can't drive your truck and say for sure that what you're feeling is or isn't normal, I can say that it is alarming when the assist engages and you're not expecting it.
Here's a tech tip from another discussion thread on this...
Tech Tip: Expedition/Navigator Unintended Brake Assist
From this thread...
https://www.ford-trucks.com/forums/1...e-problem.html
Here's a tech tip from another discussion thread on this...
Tech Tip: Expedition/Navigator Unintended Brake Assist
From this thread...
https://www.ford-trucks.com/forums/1...e-problem.html
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