Master Cylinder

WARNING: This page is about a different car, the 2010 Dodge Charger and 2010 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.

Thoroughly bleed master cylinder before installing it on vehicle. See Brakes/Hydraulic/Mechanical/MASTER CYLINDER, Brake - Standard Procedure

Fig 1: Vacuum Seal On Rear Of Master Cylinder
Courtesy of CHRYSLER LLC

CAUTION: When replacing master cylinder on vehicle, a NEW vacuum seal (1) MUST be installed on master cylinder.
Install NEW vacuum seal (1) on rear of master cylinder (2) making sure seal fits squarely in mounting groove.

Fig 2: Master Cylinder Mounting Nuts
Courtesy of CHRYSLER LLC
Position master cylinder (3) on studs of power brake booster, aligning booster push rod with master cylinder piston.
Install two master cylinder mounting nuts (2). Tighten mounting nuts to 15 N.m (133 in. lbs.).

Fig 3: Master Cylinder, Primary And Secondary Brake Tubes
Courtesy of CHRYSLER LLC
Thread primary (3) and secondary (2) brake tubes into master cylinder primary and secondary ports. Tighten tube nuts to 20 N.m (177 in. lbs.).

Fig 4: Brake Fluid Level Sensor Connection
Courtesy of CHRYSLER LLC
Connect wiring harness connector (4) to brake fluid level sensor (2) mounted in brake fluid reservoir (1).

Fig 5: Battery & Cables
Courtesy of CHRYSLER LLC
Connect battery negative cable (2) to battery post. It is important that this is performed properly. Refer to Electrical/Battery System - Standard Procedure

Fig 6: Reservoir Fluid Level Markings
Courtesy of CHRYSLER LLC
Fill master cylinder fluid reservoir (1) with clean, fresh Mopar® Brake Fluid or equivalent.
Install access panel in cowl area.
WARNING: Be certain a firm brake pedal is achieved prior to attempting vehicle operation. If a firm brake pedal cannot be achieved, bleed entire brake hydraulic system and check for leaks. See Brakes - Standard Procedure .
Road test vehicle to ensure proper operation of brakes.