Toyota Tundra. Manual — part 2682

Fig. 10: Power Steering System Operation Diagram - Lock Position
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Minimum fluid pressure: 8336 kPa (85.0 kgf/cm

2

, 1209 psi)

If not within the specified range, check for fluid leaks and replace parts as necessary.

k. Disconnect SST.

SST 09640-10010 (09641-01010, 09641-01030, 09641-01060)

l. Connect the pressure feed tube for 1GR-FE (see REASSEMBLY ) or 2UZ-FE (see

REASSEMBLY ).

m. for 2UZ-FE:

Install the air cleaner with the air cleaner hose (see INSTALLATION ).

n. Bleed the power steering system.

POWER STEERING SYSTEM (FOR 3UR-FE)

PRECAUTION

1. HANDLING PRECAUTIONS FOR STEERING SYSTEM

a. The vehicle is equipped with an SRS (Supplemental Restraint System) such as airbags. Failure to

carry out service operations in the correct sequence could cause the SRS to unexpectedly deploy
during servicing. This may cause a serious accident. Before servicing (including inspection,
replacement, removal and installation of parts), be sure to read the precautionary notices for the
Supplemental Restraint System (see PRECAUTION ).

2. PRECAUTIONS FOR REMOVAL, INSTALLATION AND REPLACEMENT OF POWER

STEERING COMPONENTS

NOTE:



Do not keep the steering wheel in the full lock position for more
than 10 seconds.



Do not allow the fluid temperature to become too high.

2009 Toyota Tundra

2009 STEERING Power Steering - Tundra

a. Be sure to turn the front wheels straight ahead when removing and installing the power steering

gear assembly.

b. If disconnecting the steering sliding yoke and the pinion shaft of the power steering link assembly,

be sure to put matchmarks on them before starting the operation.

PARTS LOCATION

Fig. 11: Identifying Location Of Power Steering System Components
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

PROBLEM SYMPTOMS TABLE

HINT:

Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms
are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking
the suspected areas in the order they are listed. Replace parts as necessary.

Steering system

STEERING SYSTEM PROBLEM SYMPTOMS CHART

2009 Toyota Tundra

2009 STEERING Power Steering - Tundra

ON-VEHICLE INSPECTION

1. INSPECT DRIVE BELT

Fig. 12: Checking Drive Belt Condition And Belt/Pulley Alignment
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Symptom

Suspected Area

See

Hard steering

Power steering fluid level (Low)

PROBLEM SYMPTOMS

TABLE

Drive belt (Loose)

ON-VEHICLE INSPECTION

Front wheel alignment (Incorrect)

FRONT WHEEL

ALIGNMENT

Steering system joints (Worn)

-

Steering column (Binding)

-

Power steering vane pump

VANE PUMP (FOR 3UR-FE)

Poor return

Front wheel alignment (Incorrect)

FRONT WHEEL

ALIGNMENT

Steering column (Binding)

-

Excessive play

Steering system joints (Worn)

-

Intermediate shaft, Sliding yoke
(Worn)

-

Abnormal noise

Power steering fluid level (Low)

PROBLEM SYMPTOMS

TABLE

Steering system joints (Worn)

-

Power steering vane pump

VANE PUMP (FOR 3UR-FE)

2009 Toyota Tundra

2009 STEERING Power Steering - Tundra

a. Visually check the belt for excessive wear, frayed cords, etc.

If any defect is 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.

b. Check by hand that the belt fits properly in the ribbed grooves and has not slipped out of the

grooves on the bottom of the crank pulley.

2. 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.

f. Run the engine at idle for a few minutes.

g. Turn the steering wheel.

1. With the engine idling, turn the wheel left or right to the 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.(*1)

2. Repeat (*1) several times.

h. Stop the engine.

i. Check for foaming or emulsification.

Fig. 13: Checking For Foaming Or Emulsification Of P/S Fluid
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

If the system has to be bled twice because of foaming or emulsification, check for fluid leaks in the
system.

j. Check the fluid level.

3. CHECK FLUID LEVEL

2009 Toyota Tundra

2009 STEERING Power Steering - Tundra