my brake pedal is stiff when my car is not running . when i start it the pedal, when pushed goes right to the floor

Asked by Mar 29, 2016 at 06:51 PM about the 2000 Buick LeSabre Custom Sedan FWD

Question type: Maintenance & Repair

4 Answers

76,245

Either the master cylinder is bad or you have a leak in the break system.

615

Master cylinder, if you had a leak the pedal would drop even with the car being off.

1,720

someone with a similar problem traced it to the vacumn booster for the brakes.

1 of 1 people found this helpful.
76,245

The car would have to be running. Then if the brake booster is bad the brakes will get stiff.

1 of 1 people found this helpful.

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