power steering pump

mine needs to be replaced, as it is leaking and whining, and so I need to know if there is a write up somewhere.

 

POWER STEERING: VANE PUMP (for 1GR-FE): REMOVAL

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
2. REMOVE ENGINE UNDER COVER SUB-ASSEMBLY NO. 1 (for 4WD and Pre-Runner)
3. REMOVE FAN & GENERATOR V BELT
4. DRAIN
5. DISCONNECT OIL RESERVOIR TO PUMP HOSE NO. 1

(a) Disengage the clip and disconnect the oil reservoir to pump hose No. 1.

1. DISCONNECT PRESSURE FEED TUBE ASSEMBLY

(a) Remove the union bolt, then disconnect the pressure feed tube.
(b) Remove the gasket from the pressure feed tube.

1. REMOVE VANE PUMP

(a) Disconnect the oil pressure switch connector.
(b) Remove the bolt and wire harness clamp bracket.
(c) Remove the 2 bolts and vane pump assembly.

 

Installation

POWER STEERING: VANE PUMP (for 1GR-FE): INSTALLATION

1. INSTALL VANE PUMP

(a) Install the vane pump assembly with the 2 bolts.
Torque : 21 Nm (214 kgf-cm, 15 ft-lbf)

(b) Install the wire harness clamp bracket with the bolt.





Torque : 8.0 Nm (82 kgf-cm, 71 in-lbf)



(c) Connect the oil pressure switch connector.
NOTICE:
Make sure that no oil adheres to the connector.

1. CONNECT PRESSURE FEED TUBE ASSEMBLY

(a) Install a new gasket onto the pressure feed tube.
(b) Install the pressure feed tube with the union bolt.
Torque : 51 Nm (520 kgf-cm, 38 ft-lbf)

1. CONNECT OIL RESERVOIR TO PUMP HOSE NO. 1

(a) Connect the oil reservoir to pump hose No. 1 with the clip.

1. INSTALL FAN & GENERATOR V BELT
2. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

Torque : 3.9 Nm (40 kgf-cm, 35 in-lbf)

1. ADD
2. BLEED
3. CHECK FOR LEAKAGE
4. INSTALL ENGINE UNDER COVER SUB-ASSEMBLY NO. 1 (for 4WD and Pre-Runner)

Torque : 30 Nm (306 kgf-cm, 22 ft-lbf)

 

Power Steering System

POWER STEERING: POWER STEERING SYSTEM: ON-VEHICLE INSPECTION

1. INSPECT DRIVE BELT

(a) Visually check the belt for defects, such as excessive wear and frayed cords.
If any defects are found, replace the drive belt.

HINT
Cracks on the rib side of a belt are considered acceptable. Replace the belt if there are any missing ribs.

1. BLEED POWER STEERING SYSTEM

(a) Check the fluid level.
(b) Jack up the front of the vehicle and support it with stands.
(c) Turn the steering wheel
(1) With the engine stopped, turn the wheel slowly from lock to lock several times.
(d) Lower the vehicle.
(e) Start the engine.
(1) Run the engine at idle for a few minutes.
(f) Turn the steering wheel
(1) With the engine idling, turn the wheel to the left or right full lock position and keep it there for 2 to 3 seconds. Then turn the wheel to the opposite full lock position and keep it there for 2 to 3 seconds (step A).
(2) Repeat step A several times.
(g) Stop the engine.
(h) Check for foaming or emulsification.





Especially, if the system has to be bled twice because of foaming or emulsification, check for fluid leakage in the system.



(i) Check the fluid level.

1. INSPECT FLUID LEVEL

(a) Keep the vehicle level.
(b) With the engine stopped, check the fluid level in the oil reservoir.
If necessary, add fluid.

Fluid:

ATF "DEXRON" II or III

HINT
Check that the fluid level is within the HOT level range in the reservoir tank. If the fluid is cold, check that it is within the COLD level range.

(c) Start the engine and let it idle.
(d) Turn the steering wheel from lock to lock several times to raise fluid temperature.
Fluid temperature:

75 to 80°C (167 to 176°F)

(e) Check for foaming or emulsification.





If any foaming or emulsification is identified, bleed the power steering system.



(f) With the engine idling, measure the fluid level in the oil reservoir.







(g) Stop the engine.
(h) Wait a few minutes and measure the fluid level in the oil reservoir again.
Maximum fluid level rise:

5 mm (0.20 in.)

If any problems are found, bleed the power steering system.

(i) Check the fluid level.

1. INSPECT STEERING FLUID PRESSURE

(a) for 2TR-FE:
(1) Disconnect the pressure feed tube from the vane pump
(b) for 1GR-FE:
(1) Disconnect the pressure feed tube from the vane pump
(c) for 2TR-FE:
Connect SST as shown in the illustration.


NOTICE:
Check that the valve of SST is in the open position.






(d) for 1GR-FE:
Connect SST as shown in the illustration.


NOTICE:
Check that the valve of SST is in the open position.






(e) Bleed the power steering system.
(f) Start the engine and let it idle.
(g) Turn the sreering wheel from lock to lock several times to raise the fluid temperature.
Fluid temperature:

75 to 80 °C (167 to 176 °F)

(h) With the engine idling, close the valve of SST and check the reading on SST.





Fluid pressure:

8,300 to 8,800 kPa (85 to 90 kgf/cm2, 1,209 to 1,280 psi)

NOTICE:


* Do not keep the valve closed for more than 10 seconds.
* Do not let the fluid temperature become too high.
(i) With the engine idling, fully open the valve.







(j) Measure the fluid pressure at the engine speeds of 1,000 rpm and 3,000 rpm.
Fluid pressure difference:

490 kPa (5 kgf/cm2, 71 psi) or less

NOTICE:
Do not turn the steering wheel

(k) With the engine idling and valve fully open, turn the steering wheel to the full lock position.





Fluid pressure:

8,300 to 8,800 kPa (85 to 90 kgf/cm2, 1,209 to 1,280 psi)

NOTICE:


* Do not keep the steering wheel in the full lock position for more than 10 seconds.
* Do not let the fluid temperature become too high.
(l) Disconnect SST.
(m) for 2TR-FE:
(1) Connect the pressure feed tube to the vane pump
(n) for 1GR-FE:
(1) Connect the pressure feed tube to the vane pump
(o) Bleed the power steering system.

1. INSPECT STEERING EFFORT

(a) Center the steering wheel assembly.
(b) Remove the horn button assembly
(c) Start the engine and let it idle.
(d) Measure the steering effort in both directions.
Steering effort (Reference):

6.0 N*m (60 kgf*cm, 53 in.*lbf) or less

HINT
Check the tire type, pressure and contact surfaces before making a diagnosis.

(e) Install the steering wheel assembly set nut.
Torque : 50 Nm (510 kgf-cm, 37 ft-lbf)

(f) Install the horn button assembly

 

Thank you

 

I noticed some tourque were in ft-lbs and others in in-lbs. Is this correct? Also are any special tools needed? I have a tourque wrench, sockets and ratcheting wrenches

 

Yes it's correct, you need Both torque wrenches if your going to use one, personally I do. You shouldn't need anything else special.

 

Seems straight forward. Do you have a write up concerning the engine under cover assembly?