Toyota Avalon (XX50): Tire And Wheel System

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Suspension / Tire / Wheel / Tire And Wheel System

How To Proceed With Troubleshooting

PROCEDURE

1.

CHECK TIRE AND WHEEL SYSTEM

DIAGNOSIS OF IRREGULAR TIRE WEAR

GO TO STEP 11

DIAGNOSIS OF TIRE VIBRATION

2.

TIGHTEN WHEEL NUTS

Click here

NEXT

3.

INSPECT TIRES

Click here

NG

GO TO STEP 10

OK

4.

INSPECT AND/OR ADJUST WHEEL BALANCE

Click here

NEXT

5.

INSPECT FRONT AXLE HUB BEARING LOOSENESS AND AXLE HUB RUNOUT

Click here

NG

GO TO STEP 9

OK

6.

INSPECT REAR AXLE HUB BEARING LOOSENESS AND AXLE HUB RUNOUT

Click here

NG

GO TO STEP 8

OK

7.

PERFORM ROAD TEST

NEXT

RETURN VEHICLE TO CUSTOMER

8.

REPAIR REAR AXLE HUB BEARING LOOSENESS AND AXLE HUB RUNOUT

Click here

NEXT

GO TO STEP 7

9.

REPAIR FRONT AXLE HUB BEARING LOOSENESS AND AXLE HUB RUNOUT

Click here

NEXT

GO TO STEP 6

10.

REPAIR OR REPLACE TIRE(S)

NEXT

GO TO STEP 4

11.

INSPECT TIRES

Click here

NEXT

12.

REPAIR OR REPLACE TIRE(S)

NEXT

13.

INSPECT AND/OR ADJUST FRONT WHEEL ALIGNMENT

Click here

NEXT

14.

INSPECT AND/OR ADJUST REAR WHEEL ALIGNMENT

Click here

NEXT

15.

PERFORM ROAD TEST

NEXT

RETURN VEHICLE TO CUSTOMER

Inspection

INSPECTION

PROCEDURE

1. INSPECT TIRES

(a) Inspect the tires for wear and proper inflation pressure.

Cold Tire Inflation Pressure:

Tire Size

Cold Tire Inflation Pressure

Front

Rear

215/55R17 94V

235/45R18 94V

235/40R19 92V

240 kPa (2.4 kgf/cm2, 35 psi)

240 kPa (2.4 kgf/cm2, 35 psi)

Cold Tire Inflation Pressure (for Compact Spare Tire):

Tire Size

Cold Tire Inflation Pressure

T155/70D17 110M

420 kPa (4.2 kgf/cm2, 60 psi)

(1) Perform initialization.

for Gasoline Model: Click here

for HV Model: Click here

(2) Tire pressure adjustment method when warm:

  1. Turn the engine switch (for Gasoline Model) or power switch (for HV Model) off.
  2. Connect the Techstream to the DLC3.
  3. Turn the engine switch (for Gasoline Model) or power switch (for HV Model) on (IG).
  4. Turn the Techstream on.
  5. Enter the following menus: Chassis / Tire Pressure Monitor / Data List.
  6. Adjust the tire pressure so that the displayed value is equal to the set pressure.
  7. Perform initialization and check that initialization completes.

    for Gasoline Model: Click here

    for HV Model: Click here

  8. Check and record the value of the Data List item "Temperature in Tire". (Ts)
  9. Check and record the ambient temperature during tire pressure adjustment. (Tm)
  10. Readjust the tire pressure according to the difference between the tire internal temperature (Ts) and the ambient temperature (Tm). (P)

    HINT:

    Tire internal temperature: Ts, Ambient temperature: Tm, Tire pressure readjustment value: P

    P = (Specified Pressure) + (Ts - Tm)

  11. Check the pressure adjustment value with the Data List item "Tire Inflation Pressure".

(b) Using a dial indicator, check the runout of the tires.

Maximum Tire Runout:

1.4 mm (0.0551 in.)

HINT:

Measure the runout with the wheel assembly removed from the vehicle.

2. ROTATE TIRES

(a) Remove the wheel assembly.

Click here

(b) Rotate the tires as shown in the illustration.

Front

(c) Install the wheel assembly.

Click here

(d) Perform initialization.

for Gasoline Model: Click here

for HV Model: Click here

3. INSPECT AND ADJUST WHEEL BALANCE

(a) Inspect and adjust the off-the-car balance.

Maximum Wheel Imbalance:

8.0 g (0.0176 lb)

NOTICE:

  • Use a cleaning detergent to remove dirt, oil and water from the surface where the balance weight is to be adhered.
  • Do not touch the adhesive surface of the balance weight.
  • Adhere a stick-on type balance weight to the flat surface*a shown in the illustration.
  • Push the balance weight with your finger to securely adhere it to the desired position.
  • Do not reuse balance weights.
  • Use only TOYOTA genuine stick-on type balance weights or equivalent.

HINT:

  • Use clip-on type balance weights for the inner side, and stick-on type balance weights for the outer side.
  • If the tires vibrate even after the off-the-car balance adjustment, adjust the wheel balance with on-the-car balancing as necessary.

*a

25 mm (0.984 in.)

4. INSPECT FRONT AXLE HUB BEARING

Click here

5. INSPECT REAR AXLE HUB BEARING

Click here

Suspension Control Ecu

Tire And Wheel

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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual

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