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Rear main oil seal replacement

Tiny
BADECLIPSE
  • MEMBER
  • 1993 SUBARU WRX
  • 2.0L
  • 4 CYL
  • TURBO
  • 4WD
  • MANUAL
  • 160,000 MILES
I'm installing a new rear main oil seal on my WRX with a ej20g. The outer part of the seal is maybe 0.5mm above the engine block ledge. Is this fine or does it need to be completely flush?
Tuesday, February 9th, 2021 AT 1:48 PM

3 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

The seal needs to be flush with the block when installed.

https://www.2carpros.com/articles/crankshaft-main-seal-replacement-rear

Roy

Coat outside surface of rear seal with engine oil, and seal lip with grease, then install oil seal using a suitable tool.
Install rear oil seal by using ST1 and ST2.
ST 1: 499597100OIL SEAL GUIDE
ST 2: 499587200OIL SEAL INSTALLER
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Wednesday, February 10th, 2021 AT 1:40 AM
Tiny
BADECLIPSE
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Thank you.
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Wednesday, February 10th, 2021 AT 2:32 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
You are welcome.

Always glad to help.

Roy
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Wednesday, February 10th, 2021 AT 3:10 AM

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