Toyota Avalon (XX50): Front Crankshaft Oil Seal

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Engine / 2gr-fks Engine Mechanical / Front Crankshaft Oil Seal

Components

COMPONENTS

ILLUSTRATION

*1	CRANKSHAFT PULLEY	*2	TIMING CHAIN CASE OIL SEAL
*3	CRANKSHAFT PULLEY SET BOLT	*4	V-RIBBED BELT
	Nm (kgfcm, ft.*lbf): Specified torque	●	Non-reusable part
	MP grease	-	-

Installation

INSTALLATION

PROCEDURE

1. INSTALL TIMING CHAIN CASE OIL SEAL

(a) Apply MP grease to the lip of a new timing chain case oil seal.

*a	Oil Seal Protrusion Height

(b) Using SST and a hammer, tap in the timing chain case oil seal until its surface is flush with the timing chain cover assembly edge.

SST: 09316-60012

09316-00011

Oil Seal Protrusion Height:

0 to 1.0 mm (0 to 0.0394 in.)

NOTICE:

Keep the lip free from foreign matter.
Do not tap in the timing chain case oil seal at an angle.

2. INSTALL CRANKSHAFT PULLEY

(a) Align the pulley set key with the key groove of the crankshaft pulley.

(b) Using SST to hold the crankshaft pulley in place, tighten the crankshaft pulley set bolt.

*a	Hold
	Turn

SST: 09213-70011

09213-70020

SST: 09330-00021

Torque:

260 N·m {2651 kgf·cm, 192 ft·lbf}

3. INSTALL V-RIBBED BELT

Click here

4. INSTALL ENGINE ASSEMBLY WITH TRANSAXLE

Click here

Removal

REMOVAL

CAUTION / NOTICE / HINT

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

Necessary Procedure After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure	Necessary Procedure	Effect/Inoperative Function when Necessary Procedure not Performed	Link
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
	Memorize steering angle neutral point	Panoramic View Monitor System
Replacement of ECM	Vehicle Identification Number (VIN) registration	MIL comes on
Replacement of ECM	ECU communication ID registration (Immobiliser system)	Engine start function
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 Initialization for 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
Replacement of ECM	Code registration (Smart Key System (for Start Function))	Wireless Door Lock Control System Smart Key System (for Entry Function) Smart Key System (for Start Function) Steering lock function
Suspension, tires, etc.	Measure ultrasonic sensor detection angle Ultrasonic sensor detection angle registration	Intelligent Clearance Sonar System Intuitive Parking Assist System
	Rear television camera assembly optical axis adjustment (Back camera position setting)	Parking Assist Monitor System	for Initialization for Calibration
	Parking assist ECU initialization Adjust steering angle Television camera assembly optical axis adjustment (Back camera position setting)	Panoramic View Monitor System	for Initialization for Calibration
	Perform headlight ECU sub-assembly LH initialization	Lighting system (for Gasoline Model with Cornering Light)
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

*1: When performing learning using the Techstream.
Click here
*2: Not necessary when ECM replaced with new one.

PROCEDURE

1. REMOVE ENGINE ASSEMBLY WITH TRANSAXLE

Click here

2. REMOVE V-RIBBED BELT

Click here

3. REMOVE CRANKSHAFT PULLEY

(a) Using SST to hold the crankshaft pulley, loosen the crankshaft pulley set bolt. Further loosen the crankshaft pulley set bolt until 2 or 3 threads remain screwed into the crankshaft.

*a	Hold
	Turn

SST: 09213-70011

09213-70020

SST: 09330-00021

(b) Using SST, remove the crankshaft pulley set bolt and crankshaft pulley.

*a	Hold
	Turn

SST: 09950-50013

09951-05010

09952-05010

09953-05020

09954-05021

4. REMOVE TIMING CHAIN CASE OIL SEAL

(a) Using a screwdriver with its tip wrapped with protective tape, pry out the timing chain case oil seal.

NOTICE:

After removal, check the crankshaft for damage. If it is damaged, smooth the surface with 400-grit sandpaper.

*a	Protective Tape

Engine

Rear Crankshaft Oil Seal

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