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Timing cover crankshaft seal replacement

Tiny
JOHN THIBODEUX
  • MEMBER
  • 1992 BUICK CENTURY
  • 3.3L
  • V6
  • 2WD
  • AUTOMATIC
  • 485,446 MILES
Trying to change front crankshaft seal. Do I have to take the timing cover off or can I remove without?
Wednesday, November 15th, 2017 AT 9:26 AM

4 Replies

Tiny
PATENTED_REPAIR_PRO
  • MECHANIC
  • 1,853 POSTS
It is best to remove the cover.
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Wednesday, November 15th, 2017 AT 9:37 AM
Tiny
JOHN THIBODEUX
  • MEMBER
  • 3 POSTS
I have changed seals before a bunch of times, it just that this seal does not have an otter lip. That is why I was wondering if you put seal from the outside of cover or do you have to put on from the inside of cover, which way?
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Wednesday, November 15th, 2017 AT 10:07 AM
Tiny
STEVE W.
  • MECHANIC
  • 13,452 POSTS
It goes in from outside the cover. They can be a bear to pull as they are coated with a sealer that really sticks. If you pull the crank sensor off you can get an angle that lets you catch the edge of the seal and push it in enough to catch it with vice grips and lever it out. Check the crank for wear before you install the new one, you can usually seat it a bit shallow to avoid having it run in a groove.
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Wednesday, November 15th, 2017 AT 10:29 AM
Tiny
JOHN THIBODEUX
  • MEMBER
  • 3 POSTS
Thanks man that is what I needed to know. I will try later, and I will let you know how it comes out.
Yea I already have sensor off, had to change it because my serpentine belt had broke and got caught behind harmonic balancer and broke sensor, after driving it for sixty miles I had replaced belt before driving the sixty miles.
Again thanks!
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Wednesday, November 15th, 2017 AT 10:41 AM

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