Brake Fluid Pump: Service and Repair

PRECHARGE PUMP






COMPONENTS


REMOVAL
1. REMOVE AIR CLEANER CASE WITH AIR CLEANER HOSE
2. REMOVE MASTER CYLINDER
3. DISCONNECT PRECHARGE PUMP CONNECTOR





4. REMOVE PRECHARGE PUMP ASSEMBLY
a. Remove the 3 bolts and precharge pump assembly.
Torque: 19 Nm (195 kgf-cm, 14 ft. lbs.)





b. Using SST, disconnect the 2 brake lines from the precharge pump.
SST 09751-36011
Torque:
10 mm nut: 15 Nm (155 kgf-cm, 11 ft. lbs.)
12 mm nut: 20 Nm (200 kgf-cm, 15 ft. lbs.)





5. REMOVE PRECHARGE PUMP
a. Remove the 2 nuts, 2 bolts and precharge pump from the pump bracket.
Torque:
Nut: 13 Nm (130 kgf-cm, 9 ft. lbs.)
Bolt: 8.0 Nm (82 kgf-cm, 71 inch lbs.)
b. Remove the 2 holders, 2 collars, 2 washers and 4 cushions.





6. REMOVE MASTER CYLINDER PRESSURE SENSOR
a. Place the precharge pump in a vise with a cloth shown in the illustration on the left.
b. Using 30 mm deeper socket wrench, and remove the master cylinder pressure sensor, O-ring and spacer.
Torque: 81 Nm (830 kgf-cm, 60 ft. lbs.)


INSTALLATION
Installation is in the reverse order of removal.

HINT:
^ After installation, fill the brake reservoir with brake fluid, bleed brake system.
^ Check for fluid leaks.