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Ted G.
Ted G., ASE Certified Technician
Category: Buick
Satisfied Customers: 6089
Experience:  20 years auto repair experience, ASE Master Tech, Mechanical Failure consultant, Expert Witness
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2002 buick lesabre. Cross over brake line on rear rusted

Customer Question

2002 buick lesabre. Cross over brake line on rear rusted out. Replaced brake line and bled all 4 clipers. When car sitting brake pedal tight but when car is running pedal goes all the way to floor. Fluid is full
JA: Nice car. The Buick Mechanic can help you with your '02 LeSabre. Tell me a bit more about what's going on so he can help you best.
Customer: Also have bled the brakes several times with car running fluid is flowing good through calipersth
JA: Oh No! Brake problems are the worst. The Buick Mechanic will know what to do with your ''02 LeSabre. Are you hoping to fix this yourself?
Customer: yes repairing myself have worked on brakes a lot of times even with my old land rover
JA: Great! What have you tried so far?
Customer: I have replced the brake line and also put all new calipers, rotors and pads on all wheels
JA: Are you ready to speak with the Buick Mechanic now?
Customer: Yes
JA: I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Buick Mechanic about your situation and then connect you two.
Submitted: 9 months ago.
Category: Buick
Expert:  Ted G. replied 9 months ago.

Most likely you have air in the ABS unit. Often it will require either a pressure bleeder or actuating the ABS valves while bleeding the brakes. Some cars require both. You will need a high quality scanner to actuate the ABS valves if that is needed.

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