Toyota Tundra. Manual — part 2680

2009 STEERING

Power Steering - Tundra

POWER STEERING SYSTEM (FOR 1GR-FE, 2UZ-FE)

PRECAUTION

1. HANDLING PRECAUTIONS FOR STEERING SYSTEM

a. Care must be taken when replacing parts. Incorrect replacement could affect the performance of the

steering system and result in driving hazards.

b. Complete the adjustment of the steering wheel and wheel alignment, and then initialize the steering

angle sensor. If the order is reversed, the steering wheel and wheel alignment will become
misaligned.

2. HANDLING PRECAUTIONS FOR SRS AIRBAG SYSTEM

a. This vehicle is equipped with an SRS (Supplemental Restraint System). Failure to carry out a

service operation in the correct sequence could cause the SRS to unexpectedly deploy during
servicing, possibly leading to a serious accident. Before servicing (including removal/installation,
inspection and replacement of parts), be sure to read the precautionary notices for the supplemental
restraint system (see PRECAUTION ).

PARTS LOCATION

2009 Toyota Tundra

2009 STEERING Power Steering - Tundra

2009 Toyota Tundra

2009 STEERING Power Steering - Tundra

Fig. 1: 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

Symptom

Suspected Area

See

Tires (Improperly inflated)

INSPECTION

Power steering fluid level (Low)

POWER STEERING SYSTEM

(FOR 3UR-FE)

Drive belt (Loose)

PROBLEM SYMPTOMS

TABLE

Front wheel alignment (Incorrect)

FRONT WHEEL

2009 Toyota Tundra

2009 STEERING Power Steering - Tundra

ON-VEHICLE INSPECTION

1. INSPECT DRIVE BELT

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

Hard steering

ALIGNMENT

Steering system joints (Worn)

-

Suspension arm ball joints (Worn)

INSPECTION

Steering column (Binding)

-

Power steering vane pump (for
1GR-FE)

VANE PUMP (FOR 1GR-FE)

Power steering vane pump (for
2UZ-FE)

VANE PUMP (FOR 2UZ-FE)

Power steering gear

POWER STEERING GEAR

Poor return

Tires (Improperly inflated)

INSPECTION

Front wheel alignment (Incorrect)

FRONT WHEEL

ALIGNMENT

Steering column (Binding)

-

Power steering gear

POWER STEERING GEAR

Excessive play

Steering system joints (Worn)

-

Suspension arm ball joints (Worn)

INSPECTION

Intermediate shaft, Sliding yoke
(Worn)

-

Front wheel bearing (Worn) (for
2WD)

ON-VEHICLE INSPECTION

Front wheel bearing (Worn) (for
4WD)

ON-VEHICLE INSPECTION

Power steering gear

POWER STEERING GEAR

Abnormal noise

Power steering fluid level (Low)

POWER STEERING SYSTEM

(FOR 3UR-FE)

Steering system joints (Worn)

-

Power steering vane pump (for
1GR-FE)

VANE PUMP (FOR 1GR-FE)

Power steering vane pump (for
2UZ-FE)

VANE PUMP (FOR 2UZ-FE)

Power steering gear

POWER STEERING GEAR

2009 Toyota Tundra

2009 STEERING Power Steering - Tundra

Fig. 2: Checking Drive Belt Condition And Belt/Pulley Alignment
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

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.



After installing a belt, check that it fits properly in the ribbed grooves.



Check with your hand to confirm that the belt has not slipped out of the grooves on the
bottom of the 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.

2009 Toyota Tundra

2009 STEERING Power Steering - Tundra