GMC 15101922 Hose Assembly, Rear Brake

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To replace the rear brake hose, follow these steps: Disconnect the hose at the frame bracket using a back-up wrench. Remove the U-clip and separate the female fitting from the bracket. Disconnect the hydraulic lines at the junction block and remove the hose. Install the new hose in the frame bracket and connect the lines securely, using U-clips to retain them. Attach the steel line fittings, checking the frame bracket and tightening if necessary. Fill the master cylinder reservoir and bleed the system.

Every six months, the rubber hoses should be inspected for any cracks, chafing, leaks, blisters, or other damage. This inspection should be thorough, and any hose exhibiting these conditions should be replaced.