LS 460 AWD V8-4.6L (1UR-FSE) (2009)
Crankshaft Main Bearing Seal: Service and Repair
Replacement
1UR-FSE ENGINE MECHANICAL: REAR CRANKSHAFT OIL SEAL (for AWD): REPLACEMENT
REPLACEMENT
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt
pretensioner activation.
NOTE:
After the engine switch is turned off, the HDD navigation system requires approximately 6 minutes to record various types of memory and
settings. As a result, after turning the engine switch off, wait 6 minutes or more before disconnecting the cable from the negative (-) battery
terminal.
2. REMOVE ENGINE AND TRANSMISSION
(a) Remove the engine and transmission See: Service and Repair/Removal and Replacement/Engine/Removal.
3. REMOVE DRIVE PLATE AND RING GEAR SUB-ASSEMBLY See: Service and Repair/Removal and Replacement/Engine/Removal
4. REMOVE ENGINE REAR OIL SEAL
(a) Using a knife, cut off the lip of the oil seal.
(b) Remove the oil seal with a screwdriver.
HINT: Tape the screwdriver tip before use.
NOTE:
Do not damage the surface of the oil seal press fit hole and crankshaft.
5. INSTALL ENGINE REAR OIL SEAL
(a) Using SST, tap in a new oil seal until its surface is flush with the oil seal retainer edge.
SST: 09223-15030
SST: 09950-70010
09951-07150
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Keep the lip free from foreign matter.
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Do not tap on the oil seal at an angle.
6. INSTALL DRIVE PLATE AND RING GEAR SUB-ASSEMBLY See: Service and Repair/Removal and Replacement/Engine/Installation
7. INSTALL ENGINE AND TRANSMISSION
(a) Install the engine and transmission See: Service and Repair/Removal and Replacement/Engine/Installation.
8. PERFORM INITIALIZATION