Toyota Prius: Rear Crankshaft Oil Seal

• Removal
• Installation

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 rear crankshaft oil 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
*: Even when not replacing the part, it is necessary to perform the specified necessary procedures after installation. *1: Also necessary after performing a tire rotation. *2: It is not necessary to perform this procedure if the tire pressure warning valve and transmitters are installed to the same location.
Replacement of ECM	Update ECU security key	Toyota Prius Vehicle Control History (RoB) are stored
	ECU configuration	-
	Perform Toyota Prius Vehicle Identification Number (VIN) registration	DTC is output
Replacement of throttle body assembly Replacement of engine assembly Gas leak from exhaust system is repaired	Inspection after repair	Poor idle, etc. Engine start function, etc.
Replacement of inverter with converter assembly	ECU configuration	-
	Resolver learning	DTCs are stored Slight vibration at a Toyota Prius vehicle speed of 5 km/h (3 mph) or less Shock or vibration during acceleration
Replacement of hybrid vehicle transaxle assembly	Resolver learning Initialize resolver	DTCs are stored Slight vibration at a Toyota Prius vehicle speed of 5 km/h (3 mph) or less Shock or vibration during acceleration
Suspension parts	Rear television camera assembly optical axis (Back camera position setting)	Parking Assist Monitor System
	Parking assist ECU initialization	Panoramic View Monitor System
		Advanced Park
Tires	Initialization*1*2 Tire Position Identification*1*2	Tire Pressure Warning System	Refer to Procedures Necessary When Replacing Parts (for Tire Pressure Warning System) table below
	Rear television camera assembly optical axis (Back camera position setting)	Parking Assist Monitor System
	Parking assist ECU initialization	Panoramic View Monitor System
		Advanced Park
Replacement of front bumper assembly*	Front television camera view adjustment	Panoramic View Monitor System
		Advanced Park

HINT:

When the cable is disconnected / reconnected to the auxiliary battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.

CAUTION / NOTICE / HINT

COMPONENTS (REMOVAL)

Procedure		Part Name Code
1	ENGINE ASSEMBLY	-	-	-	-
2	TRANSMISSION INPUT DAMPER ASSEMBLY	31270		-	-
3	FLYWHEEL SUB-ASSEMBLY	13405		-	-
4	REAR ENGINE OIL SEAL	11401L		-	-

●

Non-reusable part

★

Precoated part

PROCEDURE

1. REMOVE ENGINE ASSEMBLY

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2. REMOVE TRANSMISSION INPUT DAMPER ASSEMBLY

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

(2) Using SST, hold the crankshaft pulley.

SST: 09213-58014

91551-80840

SST: 09330-00021

(3) Remove the 6 bolts and transmission input damper assembly from the flywheel sub-assembly.

3. REMOVE FLYWHEEL SUB-ASSEMBLY

(1) Using SST, hold the crankshaft pulley.

SST: 09213-58014

91551-80840

SST: 09330-00021

(2) Remove the 8 bolts and flywheel sub-assembly from the crankshaft.

4. REMOVE REAR ENGINE OIL SEAL

*a

Cut Position

-

-

(1) Using a knife, cut through the lip of the rear engine oil seal.

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

NOTICE:

Be careful not to damage the crankshaft.

Installation

INSTALLATION

CAUTION / NOTICE / HINT

COMPONENTS (INSTALLATION)

Procedure		Part Name Code
1	REAR ENGINE OIL SEAL	11401L		-	-
2	FLYWHEEL SUB-ASSEMBLY	13405		-	-
3	TRANSMISSION INPUT DAMPER ASSEMBLY	31270		-	-
4	ENGINE ASSEMBLY	-	-	-	-

	N*m (kgf*cm, ft.*lbf): Specified torque	●	Non-reusable part
	MP grease		Adhesive 1324
★	Precoated part	-	-
*T1	1st: 49 (500, 36) 2nd: Turn 90°	-	-

PROCEDURE

1. INSTALL REAR ENGINE OIL SEAL

*a

Tap in Depth

-

-

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

(2) Apply MP grease to the lip of a new rear engine oil seal.

NOTICE:

Keep the lip free from foreign matter.

(3) Using SST and a hammer, tap in the rear engine oil seal.

SST: 09223-15030

SST: 09950-70010

09951-07100

Rear Engine Oil Seal Tap in Depth:

-1.0 to 1.0 mm (-0.0394 to 0.0394 in.)

2. INSTALL FLYWHEEL SUB-ASSEMBLY

Paint Mark

-

-

(1) Using SST, hold the crankshaft pulley.

SST: 09213-58014

91551-80840

SST: 09330-00021

(2) Apply adhesive to the 8 bolts.

Adhesive:

Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent

(3) Install and uniformly tighten the 8 bolts in several steps in the order shown in the illustration.

Torque:

49 N·m {500 kgf·cm, 36 ft·lbf}

NOTICE:

Do not start the engine for at least 1 hour after installing the flywheel sub-assembly.

(4) Mark each bolt head with paint as shown in the illustration.

(5) Tighten the 8 bolts by 90° in the same order.

(6) Check that the paint marks are now at a 90° angle.

(7) Check that the crankshaft turns smoothly.

3. INSTALL TRANSMISSION INPUT DAMPER ASSEMBLY

(1) Using SST, hold the crankshaft pulley.

SST: 09213-58014

91551-80840

SST: 09330-00021

(2) Install the transmission input damper assembly to the flywheel sub-assembly with the 6 bolts. Uniformly tighten the 6 bolts in the order shown in the illustration.

Torque:

30 N·m {306 kgf·cm, 22 ft·lbf}

4. INSTALL ENGINE ASSEMBLY

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