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Oil leak

Tiny
DONATO68SS
  • MEMBER
  • 2013 GMC TERRAIN
  • 2.4L
  • 4 CYL
  • 135,000 MILES
I have put 2 new crank seals and still have oil coming from there. Any ideas on what to check for?
Wednesday, April 15th, 2020 AT 5:20 AM

7 Replies

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

Check the surface of the balancer that the seal rides on for any grooves or dirt. Make sure it is totally clean.

The issue is that if there is a groove from the old seal, it will continue to leak.

They make a seal replacement with what is called a speedy sleeve. It is a piece that you install over the end of the balancer and it creates a new surface for the seal to run on.

You can get it at your parts store.

Roy
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Wednesday, April 15th, 2020 AT 5:30 AM
Tiny
DONATO68SS
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  • 16 POSTS
Would a new balancer be a better option than the sleeve?
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Wednesday, April 15th, 2020 AT 5:41 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
It would but it is much more expensive than the sleeve.

Rock auto has an AC delco for $50.00.

Roy
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Wednesday, April 15th, 2020 AT 5:56 AM
Tiny
DONATO68SS
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  • 16 POSTS
I have another question about this. This engine is a re-manufactured engine that was just put in. The old engine did not leak oil from there. So would the cause still be a problem with the balancer?
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Wednesday, April 15th, 2020 AT 6:14 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Did the replacement engine come with the balancer? Most long blocks do not come with that. It is usually changed from your old engine.

Roy
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Wednesday, April 15th, 2020 AT 6:17 AM
Tiny
DONATO68SS
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  • 16 POSTS
No it did not. I had to use the old one.
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Wednesday, April 15th, 2020 AT 6:19 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Okay, I would either use the speedy sleeve or get a new balancer.

Roy
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Wednesday, April 15th, 2020 AT 6:22 AM

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