Master Cylinder, Brake: Installation: Installation

WARNING: This page is about a different car, the 2016 Jeep Wrangler and 2015 Jeep Wrangler. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

LHD shown in graphics. The removal and installation procedures and torques specs are the same for the RHD.

Fig 1: Master Cylinder

Courtesy of CHRYSLER GROUP, LLC

NOTE:

If master cylinder is replaced, bleed cylinder before installation.

Fig 2: Booster Studs

Courtesy of CHRYSLER GROUP, LLC

Clean cylinder mounting surface of brake booster (3).
NOTE:
Insure the O-ring is on the master cylinder at the booster interface.
Install master cylinder onto brake booster studs (4).

Fig 3: Identifying Reservoir, Fluid Level Electrical Connector, Brake Lines, Mounting Nuts & Booster Check Valve
Courtesy of CHRYSLER GROUP, LLC
Install NEW mounting nuts (5) and tighten to 17 N.m (151 in. lbs.).
Connect the brake lines (4) to the master cylinder and tighten to 19 N.m (168 in. lbs.).
Connect fluid level electrical connector (3) to the reservoir (2).
Fill and bleed base brake system. Refer to STANDARD PROCEDURE .
Start engine and let idle for approximately 30 seconds, then turn off and wait about 1 minute. Fully stroke brake pedal to assure there are several strokes with assist prior to depletion of vacuum. If not, check for missing seal between master cylinder and booster.