A25A-FKS (ENGINE MECHANICAL): REAR CRANKSHAFT OIL SEAL: REMOVAL; 2021 - 2022 MY Avalon [08/2020

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during rear crankshaft oil seal removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

*1: When performing learning using the Techstream.

Click here

*2: Not necessary when ECM replaced with new one

Battery terminal is disconnected/reconnected

Perform steering sensor zero point calibration

Lane Departure Alert System (w/ Steering Control)

Pre-collision System

Intelligent Clearance Sonar System*1

Lighting System (for Gasoline Model with Cornering Light)

Memorize steering angle neutral point

Parking Assist Monitor System

Panoramic View Monitor System

Replacement of ECM

Vehicle Identification Number (VIN) registration

MIL comes on

ECU communication ID registration (Immobiliser system)

Engine start function

Replacement of engine assembly
Gas leak from exhaust system is repaired

Inspection after repair

Poor idle, etc.
Engine start function, etc.

Replacement of automatic transaxle assembly

Perform reset memory
Input transaxle compensation code into ECM
Perform road test to allow ECM to learn

Large shift shock
Deterioration of fuel efficiency

for UB80F Initialization

for UB80F Registration

Replacement of ECM

(If transaxle compensation code read from ECM)

Perform reset memory*2
Transfer transaxle compensation code
Perform road test to allow ECM to learn

Replacement of ECM

(If transaxle compensation code not read from ECM)

Perform reset memory*2
Reset transaxle compensation code
Perform road test to allow ECM to learn

Replacement of automatic transaxle fluid

ATF thermal degradation estimate reset

The value of the Data List item "ATF Thermal Degradation Estimate" is not estimated correctly

Suspension, tires, etc.
(The vehicle height changes because of suspension or tire replacement.)
Replacement of front bumper assembly

Measure ultrasonic sensor detection angle
Ultrasonic sensor detection angle registration

Intelligent Clearance Sonar System
Intuitive Parking Assist System

Suspension, tires, etc.

(The vehicle height changes because of suspension or tire replacement.)

Rear television camera assembly optical axis adjustment (Back camera position setting)

Parking Assist Monitor System

for Initialization

for Calibration

Replacement of front bumper assembly

Front television camera view adjustment

Panoramic View Monitor System

for Initialization

for Calibration

Suspension, tires, etc.

(The vehicle height changes because of suspension or tire replacement.)

Parking assist ECU initialization
Adjust steering angle
Television camera assembly optical axis adjustment (Back camera position setting)

Replacement of ECM

Code registration (Smart Key System (for Start Function, Gasoline Model))

Wireless Door Lock Control System
Smart Key System (for Entry Function, Gasoline Model)
Smart Key System (for Start Function, Gasoline Model)
Steering lock function

Front wheel alignment adjustment

Perform system variant learning and acceleration sensor zero point calibration.

VSC is disabled or malfunctions
DTCs are output
Slip indicator light illuminates
ABS warning light illuminates

NOTICE:

After the engine switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal. (for Audio and Visual System)
After the engine switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal. (for Navigation System)
This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.
Click here

PROCEDURE

(a) Using height adjustment attachments and plate lift attachments, place the engine assembly on a flat level surface.

NOTICE:

Using height adjustment attachments and plate lift attachments, keep the engine assembly level.
To prevent the No. 2 oil pan sub-assembly from deforming, do not place any attachments under the No. 2 oil pan sub-assembly of the engine assembly.
Using an engine sling device and engine lift, secure the engine assembly before servicing.

(b) Using a screwdriver with its tip wrapped with protective tape, pry out the rear engine oil seal.