Hydraulic Brake Booster Pump: Service and Repair

Power Brake Booster Auxiliary Pump Replacement

Removal Procedure




1. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement (DI) (Air Cleaner Outlet Duct Replacement (DI))Air Cleaner Outlet Duct Replacement (SFI) (Air Cleaner Outlet Duct Replacement (SFI)).
2. Release the power brake booster pump hose quick connect (1).
3. Disconnect the power brake booster pump hose from the auxiliary pump.
4. Disconnect the power brake booster pump electrical connector.




5. Remove the power brake booster pump bracket nut (1).




6. Remove the power brake booster pump bracket bolt (1).
7. Remove the power brake booster pump from the engine.




8. Remove the power brake booster pump bolts (1) and nuts (2).




9. Remove the power brake booster pump insulator sleeves (1).
10. Remove the power brake booster pump insulators (2).
11. Release the power brake booster pump electrical harness connector (3) from the bracket and remove the pump.

Installation Procedure




1. Assemble the power brake booster pump sleeves (1) to the insulators (2).
2. Install the power brake booster pump insulators.
3. Position the power brake booster pump to the bracket and secure the electrical harness connector (3).





Caution: Refer to Fastener Caution (Fastener Caution).

4. Install the power brake booster pump bolts (1) and nuts (2) and tighten the bolts to 22 Nm (16 lb ft).




5. Install the power brake booster pump to the engine.
6. Install the power brake booster pump bracket bolt (1) and tighten to 70 Nm (52 lb ft).




7. Install the power brake booster pump bracket nut (1) and tighten to 70 Nm (52 lb ft).




8. Connect the power brake booster pump electrical connector.
9. Connect the power brake booster pump hose to the auxiliary pump.
10. Install the power brake booster pump hose quick connect (1).
11. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement (DI) (Air Cleaner Outlet Duct Replacement (DI))Air Cleaner Outlet Duct Replacement (SFI) (Air Cleaner Outlet Duct Replacement (SFI)).