OEM 2000 Buick LeSabre Brake Master Cylinder

2000 Buick LeSabre Brake Master Cylinder Parts Questions & Experts Answers

• Q: How to replace the brake master cylinder on 2000 Buick LeSabre?

  A: To change the Brake Master Cylinder, take off the electrical plug of the fluid level sensor and disconnect the brake pipes from the master cylinder, plug the open pipes to avoid fluid and contamination loss. Next, remove the two attaching nuts and take off the master cylinder. Take it off the old master cylinder and dispose of it if you are going to reuse the reservoir. For installation fix reservoir to new master cylinder and bench bleed the master cylinder. Mount the master cylinder to the power booster, and make sure to follow the fastener notice for torque. Tighten the attaching nuts on 23 nm (17 ft. Lbs.) and reattach the brake pipes tightening the latter to 33 nm (24 ft. Lbs.). Mating the electric connector to the fluid level sensor, top up the master cylinder reservoir to the full marker with delco supreme ii brake fluid, gm p/n 12377967, or use the equivalent dot 3 brake fluid, is the last step before bleeding the hydraulic brake system.