1. Component views
Power steering oil pump (RZ4E-TC engine models)
Part name
- Bolt
- Power steering oil pump pulley
- Bolt
- Generator bracket
- Power steering oil pump
- Washer
- Nut
- Flexible hose
- Suction hose
Tightening torque
1: 29 N・m { 3.0 kgf・m / 21 lb・ft }
3: 25 N・m { 2.5 kgf・m / 18 lb・ft }
7: 20 N・m { 2.0 kgf・m / 15 lb・ft }
2. Preliminary and post procedures
1. Preliminary procedures
1) Open the engine hood.
2) Disconnect the battery cable from the battery negative terminal.
Caution
- After turning OFF the ignition switch (power mode for models with passive entry and start system), do not disconnect the battery cable within 3 minutes.
- If the battery cable is disconnected within 3 minutes, the vehicle electronic control system may malfunction.
- If the battery cable is disconnected, perform the setting of the front door power window switch with AUTO UP/AUTO DOWN function after connecting the battery negative terminal.
3) Raise the vehicle.
3. Underguard removal
1. Models with front and rear underguards (long type)
1) Remove the rear underguard (long type) from the frame.
2) Remove the front underguard from the frame.
Legend
- Front underguard
- Rear underguard (long type)
- Bolt
- Clip
2. Models with front and rear underguards (short type)
1) Remove the rear underguard (short type) from the frame.
2) Remove the front underguard from the frame.
Legend
- Front underguard
- Rear underguard (short type)
- Bolt
- Clip
3. Models with front and rear underguards and oil pan guard.
1) Remove the oil pan guard from the frame.
2) Remove the rear underguard from the frame.
3) Remove the front underguard from the frame.
Models with hydraulic power steering
Legend
- Front underguard
- Rear underguard
- Oil pan guard
- Bolt
- Clip
4. Coolant drain
Warning
- Do not loosen the radiator cap or reserve tank cap when coolant is hot, as doing so may result in burns caused by the release of steam or hot water.
- When opening the radiator cap, cover the cap with a thick cloth once the engine coolant has cooled and slowly turn to release pressure.
1) Remove the radiator cap from the radiator.
2) Loosen the radiator drain plug, and drain the coolant into a pan.
3) Loosen the drain plug on the cylinder block, and drain the coolant to a pan.
Legend
- Drain plug
4) Apply LOCTITE 262 or equivalent to the threaded portion of the cylinder block side drain plug.
5) Tighten the drain plug on the cylinder block.
Tightening torque: 21.6 N・m { 2.2 kgf・m / 16 lb・ft }
6) Tighten the radiator drain plug.
5. Engine cover removal
1) Remove the engine cover from the engine.
Legend
- Engine cover
6. Radiator upper hose removal
1) Remove the radiator upper hose from the water outlet pipe and radiator.
Legend
- Radiator upper hose
7. Air intake hose removal
1) Remove the air intake hose from the intake air duct and intercooler.
Legend
- Intercooler
- Air intake hose
- Intake air duct
- Clamp
8. Cooling fan belt removal
9. Power steering fluid drain
1) Disconnect the suction hose from the suction pipe.
RZ4E-TC engine models
Legend
- Suction hose
- Flexible hose
Note
- Place a container under the power steering oil pump so as not to spill power steering fluid.
2) Disconnect the flexible hose from the outlet port of the power steering oil pump.
Caution
- Seal the pipes, hoses, and ports to prevent the intrusion of foreign material.
3) Drain the power steering fluid from the reservoir tank.
10. Power steering oil pump removal
1) Clean the power steering oil pump with organic solvent.
Caution
- Do not allow the shaft oil seal to come into contact with organic solvent.
2) Install the bolt and nut to the power steering oil pump shaft.
Tightening torque: 40 N・m { 4.1 kgf・m / 30 lb・ft } M10 x 1.5 nut
Legend
- M10 x 1.5 bolt
- M10 x 1.5 nut
- Power steering oil pump pulley
- Power steering oil pump shaft
Caution
- Do not tighten the bolt to the hole edge of the power steering oil pump shaft, but create a clearance.
Legend
- M10 x 1.5 bolt
- M10 x 1.5 nut
- Power steering oil pump shaft
- Power steering oil pump pulley
Legend
a. Gap
3) Remove the power steering oil pump pulley from the power steering oil pump.
Note
- Secure the M10 x 1.5 nut with a tool, and loosen the pulley mounting bolt.
4) Remove the power steering oil pump from the generator bracket.
5) Remove the bolt and nut from the power steering oil pump shaft.