Removal and Installation
Power Steering Oil Pump: Removal and Installation
NOTE:
When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spilling.
Removal
1) Drain the power steering fluid from the reservoir tank.
2) On VQ40DE model, remove the engine room cover. Refer to [Engine Room Cover: Removal and Installation] .
3) On VQ40DE model, remove cooling fan assembly. Refer to [Engine Cooling Fan: Removal and Installation (Motor driven type)] (VQ40DE).
4) Remove the air duct assembly. Refer to [Air Cleaner and Air Duct: Exploded View] Exploded View (QR25DE), [Air Cleaner and Air Duct: Exploded View] Exploded View (VQ40DE).
5) Remove the serpentine drive belt from the auto-tensioner and power steering oil pump. Refer to [Drive Belts: Removal and Installation] Removal and Installation (QR25DE), [Drive Belts: Removal and Installation] Removal and Installation (VQ40DE).
6) Disconnect the pressure sensor electrical connector.
7) Remove the high pressure and low pressure piping from the power steering oil pump. Refer to [Hydraulic Line: Removal and Installation] Service and Repair.
8) Remove the power steering oil pump bolts, then remove the power steering pump.
Installation
Installation is in the reverse order of removal.
- On VQ40DE, install the bolts to specification in the order shown.
- After installation, bleed the air from the hydraulic circuit thoroughly. Refer to [Air Bleeding Hydraulic System] Service and Repair.
NOTE:
Belt tension is automatic and requires no adjustment.
Power Steering Oil Pump Bracket (VQ40DE)
Removal
1) Remove the power steering oil pump.
2) Remove the bolts and the power steering oil pump bracket.
Installation
3) Position the bracket and install the bracket to block bolts finger tight.
4) Tighten the bolts to specification in order as shown.
5) Install the power steering oil pump.