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7. If original master cylinder is being installed, check condition of seal at rear of master cylinder. Replace seal if cut, or torn. 8. Clean cylinder mounting surface of brake booster. Use shop towel wetted with brake cleaner for this purpose. Dirt, grease, or similar materials will prevent proper cylinder seating and could result in vacuum 9. Align and install master cylinder on the booster studs. Install mounting nuts and tighten to 25 N.m (220 in. lbs.). 10. Connect vacuum hose to booster check valve (1). 11. Remount the HCU. Tighten bracket mounting nuts to 14 N.m (125 in. lbs.). 12. Connect and secure the brake lines (4) to HCU or junction block and master cylinder. Start all brake line fittings by hand to avoid cross threading. 13. Connect the wire to fluid level switch (3) at the bottom of the reservoir (2). 14. Fill and bleed base brake system, see STANDARD PROCEDURE. 15. Verify proper brake operation before moving vehicle. POWER BRAKE BOOSTER - RHD Fig. 59: Identifying Retainer Clip, Pedal & Booster Mounting Nuts 1. Align and position booster on the dash panel. 2. Install booster mounting nuts (1). Tighten nuts just enough to hold booster in place. 3. Slide booster push rod onto the brake pedal (2). Then secure push rod to pedal pin with retaining clip (3). 4. Tighten booster mounting nuts (1) to 39 N.m (29 ft. lbs.). 5. Install a new brake lamp switch and reconnect the electrical connector. NOTE: Lubricate the pedal pin with Mopar multi-mileage grease before
2007 Dodge Nitro R/T 2007 BRAKES Base - Service Information - Nitro
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