Toyota Yaris: Rear Differential Carrier Oil Seal / Replacement
REPLACEMENT
CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during diaphragm oil seal replacement 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 |
Gas leaks from exhaust system | Inspection after repair | -
Poor idle, etc.
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Engine start function, etc.
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Rear wheel alignment adjustment | ECU Data Initialization | Active torque split AWD system |
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Calibration | -
DTCs are stored
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Slip indicator light illuminates
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VSC disabled or malfunctions
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CAUTION:
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To prevent burns, do not touch the engine, exhaust pipe or other high temperature components while the engine is hot.
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The rear differential carrier assembly is very heavy. Be sure to follow the procedure described in the repair manual, or the engine lifter may suddenly drop or the rear differential carrier assembly may fall off the engine lifter.
*a | An Object Exceeding Weight Limit of Engine Lifter |
PROCEDURE
1. REMOVE REAR DIFFERENTIAL CARRIER ASSEMBLY
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2. SEPARATE ELECTRO MAGNETIC CONTROL COUPLING WIRE HARNESS
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3. REMOVE ELECTRO MAGNETIC CONTROL COUPLING SUB-ASSEMBLY
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4. REMOVE TRANSMISSION COUPLING CONICAL SPRING WASHER
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5. REMOVE TRANSMISSION COUPLING SPACER
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6. REMOVE DIAPHRAGM OIL SEAL
(a) Using SST, remove the diaphragm oil seal from the rear differential carrier assembly. SST: 09308-00010 | |
7. INSTALL DIAPHRAGM OIL SEAL
(a) Using SST and a press, install a new diaphragm oil seal into the rear differential carrier assembly. SST: 09506-35010 SST: 09554-22010 NOTICE: -
Install the diaphragm oil seal uniformly.
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Press fit the diaphragm oil seal straight.
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Do not damage the diaphragm oil seal.
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Do not excessively press in the diaphragm oil seal.
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Make sure to install the diaphragm oil seal as specified, otherwise a malfunction such as an oil leak may occur.
Standard Distance (A): 0.7 to 1.3 mm (0.0276 to 0.0511 in.) | |
(b) Apply a light coat of MP grease to the lip of the new diaphragm oil seal.
8. INSTALL TRANSMISSION COUPLING SPACER
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9. INSTALL TRANSMISSION COUPLING CONICAL SPRING WASHER
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10. INSTALL ELECTRO MAGNETIC CONTROL COUPLING SUB-ASSEMBLY
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11. INSTALL ELECTRO MAGNETIC CONTROL COUPLING WIRE HARNESS
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12. INSTALL REAR DIFFERENTIAL CARRIER ASSEMBLY
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COMPONENTS ILLUSTRATION
*1 DIAPHRAGM OIL SEAL *2 ELECTRO MAGNETIC CONTROL COUPLING SUB-ASSEMBLY *3 ELECTRO MAGNETIC CONTROL COUPLING WIRE HARNESS *4 TRANSMISSION COUPLING CONICAL SPRING WASHER *5 TRANSMISSION COUPLING SPACER *6 REAR DIFFERENTIAL DRAIN PLUG *7 REAR DIFFERENTIAL FILLER PLUG *8 GASKET *9 REAR DIFFERENTIAL CARRIER ASSEMBLY - -
Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping" : N*m (kgf*cm, ft...
ComponentsCOMPONENTS ILLUSTRATION
*1 REAR DRIVE SHAFT OIL SEAL *2 REAR DIFFERENTIAL FILLER PLUG *3 REAR DIFFERENTIAL DRAIN PLUG *4 REAR DIFFERENTIAL CARRIER ASSEMBLY *5 GASKET - -
Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping" : N*m (kgf*cm, ft...
Other information:
INSPECTION PROCEDURE 1. INSPECT REAR DRIVE SHAFT ASSEMBLY (a) Check that there is no excessive play in the radial direction of the outboard joint.
(b) Check that the inboard joint slides smoothly in the thrust direction. (c) Check that there is no excessive play in the radial direction of the inboard joint...
COMPONENTS ILLUSTRATION
*1 INTAKE VALVE GUIDE BUSH *2 EXHAUST VALVE GUIDE BUSH *3 SPARK PLUG TUBE *4 RING PIN *5 STUD BOLT *6 VALVE SPRING RETAINER LOCK *7 NO. 2 STRAIGHT SCREW PLUG *8 NO. 1 STRAIGHT SCREW PLUG *9 INTAKE VALVE SPRING SEAT *10 EXHAUST VALVE SPRING SEAT *11 INTAKE VALVE STEM OIL SEAL *12 EXHAUST VALVE STEM OIL SEAL *13 INTAKE VALVE *14 EXHAUST VALVE *15 INTAKE VALVE COMPRESSION SPRING *16 EXHAUST VALVE COMPRESSION SPRING *17 VALVE SPRING RETAINER - -
N*m (kgf*cm, ft...